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X-Connect 500W Modular PSU 126

Posted by CmdrTaco from the because-you-can dept.
VL writes "Sure, power supply reviews aren't all that interesting, but we take a look at one nice PSU that delivers power where it counts, and best of all, it is the best modular setup we've seen in this market segment."
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X-Connect 500W Modular PSU More

X-Connect 500W Modular PSU

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  • yet SPAM hits us again (Score:4, Insightful)

    by freaker_TuC ( 7632 ) on Sunday August 08, 2004 @10:58AM (#9913360) Homepage Journal

    so, come on, what's the deal?

    * Posted by CmdrTaco
    * by VL, viperlair, the company selling these PSU's

    NEWS for Nerds or STUFF for Nerds? If I need stuff for nerds I go to my local PC supplier or I go to thinkgeek but this is a lil bit over the top not ?
    • oops... I take my words back ...

      The article seems to be fully loaded on the background now and yet it contains a review ....

    • so, come on, what's the deal?

      It's a very interesting PSU design. Big deal for me (including a lot of other people too), sorry.

      * Posted by CmdrTaco
      * by VL, viperlair, the company selling these PSU's

      Almost every single hardware review website I know is also an on-line hardware supplier.

      So /. should stop linking to hardware review websites or start ignoring their submissions?

      NEWS for Nerds or STUFF for Nerds? If I need stuff for nerds I go to my local PC supplier or I go to thinkgeek but this i

      • So /. should stop linking to hardware review websites

        No...

        or start ignoring their submissions?

        Yes, if they link to themselves. That's called journalistic integrity.
        • Uh... since when has /. had anything to do with journalism?
        • > Yes, if they link to themselves. That's called journalistic integrity.

          Is it really?, the summary makes it very clear that the person submitting the story is from the site that's linked.

          If they had tried to pretend otherwise, then there might me integrity issues.

          And as mentioned elsewhere - slashdot is not a newspaper. It is a web site where they post links that people have sent them if they find them interesting. There is no journalism, there are no editors, it is not a news source, it is a bunch
    • It's an ad. They run one daily. I mean, really, I don't care how cool your Super-Uber Jesus Power Supply is, it's not news.

  • noise (Score:4, Interesting)

    by mixmasterjake ( 745969 ) on Sunday August 08, 2004 @10:59AM (#9913368)
    "According to specifications, the fans will generate 34 dB of noise at full speed, which is certainly far from silent."

    I was kinda psyched a while back when I replaced my old power supplies on two boxes w/ 400 watters. (the biggest i had heard of at the time). Stupidly, I failed to realize how much louder the new power supplies were. I don't know how many dbs exactly, though they verge on annoying.

    • A lot of the noise levels are measured inches from the case. I saw some noise level measurements a while back for a Shuttle case in the context of tweaking fan speeds for certain temperatures, and some of the levels were 60+ dB. I have no idea how this relates to human hearing at all, but was just something to note.

      • Re:noise (Score:3, Informative)

        by PeterPumpkin ( 777678 )
        Over 85 db continuous can cause hearing loss over time :D I have some paperwork I collected here for OSHA compliance...here is a general idea for noise:

        Weakest sound audible by ear: 0db
        Normal conversation: 60db
        Ringing Telephone: 80db
        Belt Sander: 90db
        Chain Saw: 110db
        Jet taking off: 140db
        Rocket Launch: 180db
        Loudest possible tone the ear can process without drum imploding instantaneously: 194 db

        • Re:noise (Score:2, Funny)

          by lambent ( 234167 )
          How did they calculate that last one? Did they line up a bunch of volunteers, and play increasingly louder sounds until their heads exploded?
          • No, they interviewed the front row crowd from an AC/DC concert. The ones who they could talk to passed. The other 90 percent failed.

    • Re:noise (Score:4, Interesting)

      by Zocalo ( 252965 ) on Sunday August 08, 2004 @11:17AM (#9913471) Homepage
      True, 34dB isn't quiet, but this is only a first stab at this and I suspect it'll become the default soon enough. Hopefully the other (quieter) PSU makers will release their own take on this pretty soon and we'll get the best of both worlds. A *standard PSU connector* between vendors would be nice too, if any of the designers are out there. :)

      As to the noise, I've recently upgraded a couple of my systems and while I was prepping them I just left the PSU cables loose in the case. Once everything was done I tied them all up nice and neat and tucked away the unused PSU cables out of the airflow. The idling temperature of the AMD CPU dropped a full two degrees C with this simple change, but more importantly the case and CPU fan dropped by nearly 500 RPMs apiece. I know airflow matters, but not being a serious modder I had know idea it could be that much!

    • I think one can get a 500W power supply with just one 12cm fan on the intake. Two 8cm fans just don't cut it, IMO, that's more and higher pitched motor whine to deal with.

      Modular cabling is nice, but it can also be another point of failure. The substandard molex-knockoffs on most power supplies leave much to be desired.

      They say aesthetics is important, but that's like saying a car's engine must look nice when going down the road. Chroming a power supply case is pointless unless you want one of those we
      • Modular cabling is nice, but it can also be another point of failure.

        No shit. You get twice the contact resistance, and that could be significant considering the humongous currents that are flowing in today's PCs.

        Here's a personal story: around '97 or so, I had trouble with my PC. Unexplained crashes, lock-ups, etc. It was a pretty decked out system. Pentium 233 MMX, 128 megs of EDO RAM, 3 SCSI hard drives, a CD-ROM, a CD-R drive, a heavily overclocked Voodoo 1, SCSI controller, two sound cards, etc. Al

  • what I'd like to see (Score:3, Insightful)

    by deathazre ( 761949 ) <mreedsmith@gmail.com> on Sunday August 08, 2004 @11:01AM (#9913374)
    ...is one of these for my Shuttle. Thing's too small for the excess wires running about.

    (what I'd really like to see is a departure from the ATX connector on the Shuttles, moving to something smaller with less wires and higher amperage rated connections, but that's beside the point.)

  • Rolandpiquepaille-ism (Score:5, Funny)

    by Rosco P. Coltrane ( 209368 ) on Sunday August 08, 2004 @11:02AM (#9913383)
    In case you didn't notice, this [viperlair.com] very [viperlair.com] nice [viperlair.com] review [viperlair.com] was [viperlair.com] brought [viperlair.com] to [powerlinememory.com] you [tradepub.com] you [viperlair.com] by [viperlair.com] a nice dotcom that has absolutely no interest in making you visit them [viperlair.com]....

  • Yes, (Score:2, Funny)

    by Zorilla ( 791636 )
    ...but how many rock tumblers can it power?


    Nerd: I need an outlet for my rock tumbler.
    Bart & Lisa: Plug it in! Plug it in!
    Nerd: What, the rock tumbler or the TV?
    Bart & Lisa: The TV! The TV!

  • how reliable/quiet is it (Score:1, Insightful)

    by Anonymous Coward

    can it deliver 500W for years and years ?, how reliable/quiet are the fans ? easy to replace (why cant they make them with passive heatsinking and using a modern switching PSU ? eg like some prosound amps do (instead of having a bulky/hot copper wound transformers))

    if these companies looked at technology further than flashing neons they would see they could make some real power supply development progress, until then they are still just ugly metal boxes with minor variations on a 70yr design but now desig
    • still just ugly metal boxes with minor variations on a 70yr design but now designed to last about 3yr

      Yes I'll second that, my 70 year old IBM still works like a champ...
    • can it deliver 500W for years and years ?

      Oh, heck no. Look at the specs: 70% efficiency.

      The guy above is right: spam hawking a 350w supply.
      • Oh, heck no. Look at the specs: 70% efficiency.
        The guy above is right: spam hawking a 350w supply.
         70% efficiency means you lose 30% of the power between the wall outlet and your DC power. It's wasted in ramping down to the voltages your PC can use. It does not mean you only get 70% of the rating.
    • There are passively cooled heatsinks, but they aren't very well suited for standard issue PCs. Basically, in a standard PC, if your PSU cooling is passive, you have to install an additional internal case fan. Apart from that, passively cooled PSUs are quite expensive and the lifetime estimates are dubious.

      There are decent silent PSUs, though, their fans typically aren't louder than ~18 to 22 db at their maximum speed. Coupled with perhabs a silent case fan and a silent CPU HSF a mid-range system doesn't ha
      • If I had a decent box, I'd make a photo of the CPU fan for the dead Tejas, already installed. It's a 50.8cm fan, and it plugs directly into AC 120V power, so you don't have to worry about the PSU for it. It has a built-in speed control, but it isn't controlled by temperature or the PC itself - it is hand-controlled, and only has three speeds. You might not have heard of these brands in a PC cooling context, but Lasko, Duracraft, Holmes, and others have been producing these for YEARS.
    • > MTBF > 100,000 Hours at Full Load, 110VAC and 25 C Ambient Condition

      (100,000/24)/365 = 11.4 years
      That's at full load, so most likely you'll get quite a bit longer. Even so, you will have long given up on your PC by 2015.
  • I mentioned this place [performance-pcs.com] as originally supplying their own modded PSU's. Now they're supplying the new ones so you can get them without the mfgr's warrenty invalidated. Now if they'll supply external jacks so we can power external devices. And 120mm fans would be nice.
  • How much do you think it cost VP to post this story?

  • Don' (Score:3, Insightful)

    by Futurepower(R) ( 558542 ) on Sunday August 08, 2004 @11:48AM (#9913619) Homepage

    The article says, "There isn't such a thing as too much power though..."

    This article has no place on Slashdot. It is written by someone with no knowledge who quite likely was paid to say such things.

    • Re:Don' (Score:4, Insightful)

      by imsabbel ( 611519 ) on Sunday August 08, 2004 @12:20PM (#9913775)
      Yeah. Its like the firewall in software:
      user: I have a problem with my hardware....
      idiot: how big is your psu?
      user: 300W
      idiot: NOT ENOUGH. GET MORE. OF COURSE your system is unstable with only 300W...

      A 3.6GHZ Prescott with a NV40 and 2 GB ram draws about 220W from your PSU. So NOBODY needs a 500W PSU for a single cpu system, even if he has 10 discs or so.

      In fact some of the "bigger" psus have so little rating on their 12V lines that downgrading can help. My old 420W psu wouldnt boot with 8 drives, only with 6. My new 350W has no problems whatever...
      • I think it is a good idea to do the math in terms of what your system draws, and then add a little safety margin. Sometimes I have problems finding those spec ratings though, not every device declares the power draw, fewer declare what they draw on different rails.

        You do make an excellent point about inflated power ratings though. The last time I saw a true torture test (this wasn't one), there were a few PSU makers that flunked out with units that smoked out at 400-something on a 500-plus rated PSU.
      • I dunno, I'm amazed at how much current 10k discs can draw when they spin up. Back in 2000, my roomate has assembled a new server for his work. However, there was a problem with compatibility with the firmware on the SCSI discs and the RAID controller. No way to flash them, either, because of the problem. I happened to have a little Adaptec 2940 or the like in my computer, so he brought the discs home to use with that.

        Well, when we stuck one in, the computer wouldn't power on, remove it, it powered on fine
        • Well, just to give you an estimate that modern disc dont need to much power: I have 8 discs, an xp2000 (old model, draws 70W), and Radeon 9500pro (45W), Raid controller with onboard gpu, 2 Lancards, plus usb gear on a single 350W enermax, no problems.

          Most likely the PSU was just defective, not too small. Problem is that most 250 or 300W PSU available nowadays are the cheapest crap available, so everybody thinks the 400W ones are better because of the higher rating instead of them being quality products....
          • It was an Antec 300 watt powersupply. I just went and checked the case (still have the system, albeit with upgraded parts). I've found, and testing seems to agree, that Antec makes pretty good power supplies. Possible that it's defective, however it has now been running for 6 years, under varied loads, with no burnt out components, so in general I give it a pretty good rating.
          • So, would your 350W still cover it after an upgrade to a 3.6 prescott with a geforce 6800 ultra?
            • Yeah, very likely, because the prescott only needs 30W more than my athlon and the geforece is driven by the 12V rail. My 8 drives need about 80W more during spinup than they need during normal operation, so there is enough left to power the card (which only needs 45W more than my Radeon) after they are running. And during bootup while the drives are spinning up the geforce is in power-save modus with reduced clockrate, so it shouldnt matter.

              And not everybody with a Prescott/Geforce 6800 setting has 8 HDs.
        • You can often adjust the delay after poweron before the drives spin up in BIOS, supposedly so older harddisks would have time to initialize. If you are having problems with supplying the surge current needed to get the disks spinning, give them all differen delays so to PSU isn't trying to start them all at the same time.
          • Nah. The drives spin up as soon as they get power, which they will all get at the same time, when the 12V line goes up.
            The delay you speak of can be adjusted to give old drives enough time to spin up and then initialize before the BIOS declares them dead. It does not define when the drive will start its motor.
            • Nah. The drives spin up as soon as they get power, which they will all get at the same time, when the 12V line goes up.

              Nope, 'fraid not. See this Atlas IV Jumper definitions [wanadoo.fr] for example. SCSI disks default to spinning up on 12V, but every one I've seen has a jumper for either delaying, or waiting for a spinup 'START UNIT' scsi command.
            • All the IDE drives I have don't spin up on 12V. They do need 12V for that, but they spin up, when the IDE controller comes on. (I use only seagate drives)

  • Despite all the bitching... (Score:4, Insightful)

    by Kenshin ( 43036 ) <kenshin@lunarOPENBSDworks.ca minus bsd> on Sunday August 08, 2004 @11:51AM (#9913627) Homepage
    Despite all the bitching about this article being a paid ad, this PSU looks fairly useful.

    The other day when I was blowing all the dust out of my case, I saw all those unused power cords strung about all over the place and wished I could get rid of them.

    Since we're getting rid of bulky ribbon cables with S-ATA, it would be nice to get rid of all that other spaghetti too.
    • If your case design is static, you could just cut them off.

      • But my case design isn't. I intend on adding/removing stuff over time to keep up with my needs.

        That's the whole point of buying a tower or mini-tower. If I wanted a static design, I'd buy one of those tiny boxes.
    • Yes, it is very useful. Say you're adding a new hard drive and you've got a hot date this evening...you can check your hair in your power supply, get spiffed up and ready to go w/o that trip to bathroom mirror ;)
    • The other day when I was blowing all the dust out of my case, I saw all those unused power cords strung about all over the place and wished I could get rid of them.

      Just buy more hardware.

    • Great point--that spaghetti is attrocious.

      For tears we took the spaghetti in stride and shrugged it off as "necessary". After anyone puts some nice, new round cables to use the first time on some IDE drives, their immediate reaction is, "Wow! That's so much better!"

      Yet, mysteriously, the spaghetti in power cables remains. Ick.

      This PSU does a nice job of finally getting rid of that crap.

  • Increased cost with less reliabilty (Score:3, Interesting)

    by Mad Quacker ( 3327 ) on Sunday August 08, 2004 @11:52AM (#9913638) Homepage
    Those power connectors have always been the weakest part of any power supply, they often fail causing intermittent connections which result in lockups or worse. I find I have to crimp down each socket with some needle nose pliers if I remove them... and now there's TWO per connection..

    I'm hoping more devices move to SATA style power, so far it seems to have far better contact.

    • I'm not sure exactly what you're doing to those connectors, but early on as a bench tech and then later as an engineer I've given that style of connector a serious workout. I find it to be one of the most reliable, especially considering the cost. After making literally thousands of connections I've rarely encountered the problem you describe - more common is that the cheaper ones will have trouble mating (which will cause the actual mechanical connection to spread as you describe).
  • The power supply is the weak point on most modern PCs. They are under-reviewed and most reviews just parrot what the marketing specs say. This is not useful information. This review goes a step further and measures the output with a multimeter. Good on them.

    We need more information than this, though. I'd love to see some reviews that actually go a step further and actually measures the maximum output of the PSU to prove it's actually capable of the stats on the side of the damn box without melting dow
    • This review goes a step further and measures the output with a multimeter. Good on them.

      And then he makes a big deal about a hundredth of a volt difference in output voltage while not even bothering to measure the output current? And a big two hundredths of a volt on the 12V rail while running heavy CPU load? What exactly does he think the 12V rail powers?
    • Someone actually did this, can't remember who (toms? anandtech? someone else?) but it was also a story here a few months or so ago(last summer?) and the results were, err, interesting.
      They built a test rig to load test the psu (variable draws and such so as to draw power more evenly across the rails and such) and tested several brands. One brand caught fire well below the wattage on the box or on the included spec sheet. But a few brands did really well, one got significantly above it's rated power be
  • Why is this on the front page any more than every
    Ars Technica or Hard OCP story. News please..

  • Some heavy duty testing there... (Score:3, Interesting)

    by Lord Crc ( 151920 ) on Sunday August 08, 2004 @12:11PM (#9913717)
    He didn't even push the PSU, yet say that it was more than able. Eh? He had one HD... How about 4 drives in a raid (so they're all active), and then see how it fares playing some games (so the gpu is taxed too)?

    The modular connections looked like something I might want though.

  • except no mention of things that really count (Score:5, Informative)

    by ChumpusRex2003 ( 726306 ) on Sunday August 08, 2004 @12:17PM (#9913755)
    I'm very concerned about all those extra connections. The connections are the weakest point on current PSUs/motherboards; I have seen a number of PSUs or boards with melted connectors because they were either of substandard quality or not fully pushed home.

    Each connector provides additional resistance in the circuit leading to voltage sags and heat build up in the connectors.

    I'd be more interested if this PSU offered high efficiency and Active PFC. (Active PFC opens the way for more efficient PSU designs). Current PSUs offer an electrical efficiency of about 68% - on a high-end system, the PSU could be pumping out over 100 W of heat itself, making it even more of a space heater than the CPU - and requiring substantial fans too.

    Modern industrial SMPSs can achieve electrical efficiencies which are much higher. I've seen telecoms grade 400W PSUs claim efficiency of over 95% - so the technology exists to mass produce these things today.

    Also, this review made no mention of protection systems:

    • Any overheat protection?Or will the PSU burn under overload or if a fan fails?
    • Over voltage protection? Will the PSU shut off if an overvoltage condition occurs? Is there a 'fail-safe' crowbar system which can guarantee the safety of the rest of your PC (even if it has to sacrifice the PSU?)

    Incredibly, the safety features listed above, are not standard on all PC PSUs - only a very few offer crowbar protection.

    • It's always good to read the article closely before taking it task for missing information.

      From the bottom of the first page:
      Finally, the X-Connect offers features such as P4/AMD support, Short Circuit Protection, In-rush Current Protection, and Thermal Overload Cutoff Protection.

      • An article that simply accepts the manufacturer's ratings without testing them is worthless, IMO. I think they claimed that this thing was rated for 500 continuous watts, whereas saying others are rated only for bursts. Kind of like Car & Driver simply printing the manufacturer's performance claims when they have a chance to test it.
    • I was thinking a lot of the same things when I saw this power supply (and that Antec's NeoPower [antec.com] looks like a better design, personally).

      I've been a big fan of Elan Vital's power supplies [evpower.com.tw] for a long time (also available under an american distributor for direct purchase -- see the AMS Mercury EVR-4607 [directron.com] if you want a gorgeous redundant power supply for ATX cases).

      They have active PFC, high efficiencies, good clean power, lots of fans, not terribly loud, and very large connectors internally (low resistance, go
  • Unused cables cluttering up the case?
    I always have a shortage of cables, need to use splitter cables to connect everything.

    IMHO, the extra connectors at the PSU side are a waste of space, series resistance, and reliability.
  • Is anyone else appalled by how sloppily cabled the reviewer's case was with either PSU? As a system builder who takes great pride in doing a very neat job, I'm shocked that anyone would consider themselves qualified to evaluate how neatly a PSU can tidy up the case insides, yet put together a rat's-nest monstrosity like that!
  • He didn't even take amperage of his test system. While the cabling was cool, that power suppy only had one 12v rail, the review was limited. Definitely not woth a /. posting.

  • A power supply with a built-in battery, or at least hookups to attack a battery.

    Really. It would be so much better than a UPS. With a UPS, you convert 120V->12/24/48V (depending on model), then back to 120V, then your PS converts it back down to 12V yet again. You pay for all of the switching and conversion twice, lose efficiency in all of the conversions, have more parts to fail, and rely on the UPS to switch to battery quickly (which they don't always do).

    With a battery in the power supp
    • You would still have two conversions, one from mains to 12v and another from 12v to what you need.
      That would include 12v. The battery voltage is too uncertain to use as 12v supply for the computer.

      So, while running on battery the efficiency would be better (only the second converter would be running), but when running on the mains it would be worse. It would be like an online UPS.
      With an offline UPS (the one that switches over when the power fails), the efficiency would be better during powered mode.

      The

  • Basically... (Score:2, Interesting)

    by Zizkus ( 658125 )
    Just a thought, the article says " Basically, if you do not need all the available power, the PSU will reduce the voltages. ", well I don't know about you but I don't want my 5 volt stuff running on 4 volts :), obviously this reviewer wouldn't know a ripple if they saw one! For really good power supplies, try PcPowerAndCooling.com really well made quality stuff. "I don't know, I couldn't say, at least not today!"

  • I believe this company is offering the same sort of cable modularity as in the Antec NEOPOWER line (looks rather new):

    http://www.antec.com/us/pro_details_powerSupply.ph p?ProdID=24480 [antec.com]

    The Antec version appears to have some interesting features, not the least of which is the fully open-back grill on the back of the unit. The dark brushing alumnium/steel finish is rather cool too. However, the Antec product does not offer the same sort of sleeved cables as the one in the originaly article. They are,

    • Personal experience follows, not a paid solicitation ;) I just bought one in my latest upgrade system, and I'm totally amazed at how quiet it is. I can barely tell my computer is on! The fan is not on the back, it's on the bottom of the PSU, allowing Antec to use a larger fan (meaning it can move more air at lower RPM = quieter operation). I guess the modular connectors are an ok idea, but saved me no space as I needed to connect all of them anyway [4xhdd, 2x(DV-C)D]
      • I concur, just put one of these in over the weekend and love it. The reviews mentioned noise levels climbing as fan speed was increased (duh) but it's seriously quiet. 120mm fans in PSUs are well overdue as a standard and you notice the difference immediately, the only trick is encouraging your MB that the fan is MEANT to be running at only 1440rpm :)

  • EMI from DC power cables??? (Score:3, Insightful)

    by orionpi ( 318587 ) on Sunday August 08, 2004 @04:16PM (#9914922)
    "All the cables are sleeved with a tinned copper braid, which act to shield the rest of the PC from EMI." How cables that transmit DC power going to generate EMI? If if a device's current draw is fluctuation enough to cause RF propagation the device needs to be replaced, not sheild the DC transmition cables.
    • DC power going to generate EMI?

      The short answer is it depends on the load.

      A good regulated power supply will provide well regulated filtered (low ripple, low noise) power to the load. So far it sounds like not a sorce of noise. Now add a load that (extreme example) feeds a switching power supply (CPU regulator for example) that has some failed input filtering. The chopped (by the regulator in switch mode) current has no filtering until it reaches the filtering in the output of the power supply. So in

  • "Depending on the load, the voltage output will vary. Basically, if you do not need all the available power, the PSU will reduce the voltages"

    Bzzzzzt!
    Total bullsh**. No power supply would reduce voltages "if you do not need all the available power". What decreases is the total power output, but that is determined by the amount of current being drawn on each line (power is equal to the product of voltage and current) rather than the power supply itself. The voltage outputs are always regulated as closely

  • IMO, modular is where you can stack two or more power supplies for added amperage or failover as is the case with some of IBM's AS/400 servers. I don't see where this power supply fits the 'modular' category unless one of those cables can uplink to another power supply for added amperage.

    Maybe I am missing something, but then again i did read the article and it didn't say anything about it. The issue of 'excess cables hanging in the case' has never been an issue for me as I always clean up my installs wit

  • I have one of these... (Score:3, Informative)

    by Cyno01 ( 573917 ) <Cyno01@hotmail.com> on Sunday August 08, 2004 @07:29PM (#9916141) Homepage
    Recieved it from FrozenCPU last week, its extremly quiet, and probably cut the noise of my PC in half. Also, the chrome and silver/black connectors look very clean. You can get a 500w power supply for a lot less, but it wont look this nice and probably doesn't have the performance (nobody ever reviews cheap PSUs). Its been running an XP3200+, 2 vid cards, 3 SATA hard drives, 2 optical drives and 3 fans without any hickups. Another review here [pimprig.com].
  • Or even the sun ...
    But it certainly is shiny [suck.com]! Time will tell if it is truly useful.
  • Whenever I find I have 'too many cables' somewhere in my computer, I use it as justification to buy something new to put in the case.
  • Has anyone here not heard of the PC Power and Cooling Turbo-Cool 510ATX? This is a supply that reaches 500 watts at an ambient temperature of 40 degrees Celsius (that's about 110 Fahrenheit) rather than the typical 20 celsius. This seems to be a forgotten unit, when, IMO, it was the first, not this one. It appears that people don't seem to know anything about that other unit - it peaks at 600 watts, and you would have to have your system in a freezer to get a temperature that would allow such a peak.

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