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Thread: EZ-Cool PSUs

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    EZ-Cool PSUs

    Hey Scan.

    I know you're pretty good with technology and don't like to sell any rubbish, so why do you sell these? I mean, from personal experience the one I had killed half my PC! It was rated to 700w so when I bought it I wasn't under the impression it wouldn't do the job. I know better now and I know you recommend the corsair ones.

    I just ask because I notice your Athlon dual core combo includes one, in an otherwise pretty healthy build:

    * Coolermaster RC-331 Elite Black/Silver Midi Tower Case w/o PSU
    * 550W EZcool Silent pPFC Power Supply AMD & P4 Ready 12cm Silent Fan 24Pin 6xPCI SATA
    * Gigabyte GA-M52S-S3P (rev 1.0), NF6100, S AM2, PCI-E (x16), DDR2 667/800, SATA II, SATA RAID, ATX
    * AMD AM2 Athlon 64 6000+ Dual Core 3.0GHz, 2x 1MB Cache, Retail
    * 2GB (2x1GB) Corsair TwinX XMS2, DDR2 PC2-6400 (800), 240 Pins, Non-ECC Unbuffered, CAS 4-4-4-12
    * 500 GB Samsung HD501LJ Spinpoint T166, SATA II, 7200 rpm, 16MB Cache, 8.9 ms, NCQ
    * Samsung x20 DVD RW SH-S203D/BEBN SATA BLACK
    * 1.44Mb Sony Black Floppy Disk Drive OEM


    In fact that's a really good build for £280! But the PSU...? I know you'd never use one in any of your 3XS systems. I mean, obviously you've got to cater for all markets but I'm just concerned selling what I consider a substandard product (operating in normal conditions and killing half a computer after a few months is not a reliable product) could tarnish Scan's reputation for selling components that are quality because your purchasing team has looked for the best stuff.

    Anyway, just food for thought, I went bed at 9.30 and have woken up and I thought I'd do some retail therapy and saw this. I don't want to tell you what to do obviously but I've got a personal agenda after having to get new HDDs, GPU, Motherboard and RAM.

  2. #2
    Senior Member Dreaming's Avatar
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    Re: EZ-Cool PSUs

    Quote Originally Posted by Dreaming View Post
    Anyway, just food for thought, I went bed at 9.30 and have woken up and I thought I'd do some retail therapy and saw this.
    P.s. this just happened when trying to look for 5 3/4" to 3.5" bay convertors (I bought more hard drives than I've got space for, and none of the cases you have took my fancy):

    Quote Originally Posted by Scan's website
    Microsoft OLE DB Provider for ODBC Drivers error '80040e31'

    [Microsoft][ODBC SQL Server Driver]Timeout expired

    /Products/Products.ASP, line 305


    Maybe it's a good thing Scan aren't letting me spend any more money lol.

    ETA: managed to get it sorted. If I PM someone with my order no. can I be cheeky and ask if there's a generic case or thumb screw lying about could I have one thrown in my order as I'm at uni (so therefore don't have my box of millions) and have lost one
    Last edited by Dreaming; 22-11-2007 at 08:11 AM.

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    Re: EZ-Cool PSUs

    I fail to see what the 'heavy' power requirement is for that, and 550w is plenty as it stands depending on VGA card used. They are only single 12v rail tho.

    What actually happened with ur 700w EZCool?

    I have or have had 400, 450 and 550 versions all running fine, quiet and fairly cool with no problems. Has anyone else had problems with these and what caused it? You make me nervous of mine now

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    Senior Member Dreaming's Avatar
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    Re: EZ-Cool PSUs

    Quote Originally Posted by rabbid View Post
    I fail to see what the 'heavy' power requirement is for that, and 550w is plenty as it stands depending on VGA card used. They are only single 12v rail tho.

    What actually happened with ur 700w EZCool?

    I have or have had 400, 450 and 550 versions all running fine, quiet and fairly cool with no problems. Has anyone else had problems with these and what caused it? You make me nervous of mine now
    It didn't blow up dramatically, it just gave out really poor voltages, which was causing system instabilities and dead HDDs (I noticed actually, that plugging a sata connector in was ok but a molex damaged the drive within 24 hours towards the end). After I replaced it and got a UPS to regulate the external 230v going in as well, I still had problems with several comonents, and it's only by changing them I've removed the problems. It happened over time though, I had the PSU I think around 6 months, to start with all was fine.

    The memory was damaged, I think the motherboard was actually mainly ok, the GPU was damaged too. No scorch marks, just all components became unstable. I double checked the voltages on the rails and they were all out pretty significantly. People had told me before it was the PSU but I kept it until after the 3rd hard drive I thought it was getting a bit ridiculous.

    No doubt there are some that will be fine, but my experience shows that there seems to be much less attention paid during the manufacturing process, there's a much wider variability of the quality. As I said, mine was fine to begin with, I got 700w as I wanted to keep it for a while and factored in it losing power over the years. It still works and can run a PC, just the voltage regulation is so poor it can damage components (I had everything set to stock on my Asus P5W). I'm not complaining at Scan, there's nothing they can do since any component can break, but Scan are pretty reliable when it comes to what they sell - they seem to have an eye for what's good and what's not. I don't know if the purchasing team are so thorough the look through reviews or even do their own tests but there is kind of a silent reassurance you're buying from Scan, the stuff is going to be new (unlike some etailers!), and it's going to be relatively reliable.

    The exceptions being Jou-Jou (they may be good, but I've never heard of them and they're 1/2 the price of others, dunno if I'd risk my hard drives health lol) and EZ-Cool. The reason I mentioned EZ cool is I know from experience they're not actually that well built

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    Re: EZ-Cool PSUs

    Ouch Thanks I'll keep an eye out for similar behaviours and try to catch it before losing components.

    What make/model of tool would you recommend to monitor those voltage? I have the Xclio one but it only gives led indications.

    BTW the AMD6000 CPU draws a bit more power than I thought:
    Processor AMD Athlon™ 64 X2 Dual-Core
    Model Number 6000+
    Frequency (MHZ) 3000
    L2 Cache Size (KB) 2048
    Socket AM2
    Stepping F3
    Manufacturing Tech (CMOS) 90nm SOI
    Wattage (W) 125 W
    System Bus (MHZ) 2000

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    Re: EZ-Cool PSUs

    You would be utter mad to put a EZ-cool PSU in any PC worth more than a tenner. They are commonly accepted as the new "q-tec" in PSU's.
    They are rubbish. The price alone should reflect the quality you will get.

    I'm very surprised to see Scan selling them.
    Quote Originally Posted by Saracen View Post
    And by trying to force me to like small pants, they've alienated me.

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    Re: EZ-Cool PSUs

    Quote Originally Posted by Agent View Post
    You would be utter mad to put a EZ-cool PSU in any PC worth more than a tenner. They are commonly accepted as the new "q-tec" in PSU's.
    They are rubbish. The price alone should reflect the quality you will get.

    I'm very surprised to see Scan selling them.

    I agree totally. They are incredibly poor and shouldnt be used.

    To be honest though, anyone that put a £15 PSU into a system is asking for trouble.

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    Re: EZ-Cool PSUs

    Who me

    Yes, I've been told to get a decent PSU for my system, I went with a Cosair VX at about 45 quid. I hope its better than the EZ-cool !

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    Re: EZ-Cool PSUs

    A hamster in a wheel is better then EZ-Cool never mind Corsair.
    .: Rishi :.

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    Re: EZ-Cool PSUs

    Does anyone actually have hard evidence/bitter experience to share (as Dreaming does) other than speculation & follow the herd remarks to back up those comments?

    All I can say is the 3 I have/had have performed as well as can be expected, no trashing of components or system or unreliability. Sometimes they have been on pretty much 24x7 for a months at a time. The only difference is they are lower rated units and not being stressed.

    Agreed they wont/shouldnt be as high a quality as a £40 or £100 PSU. Perhaps people having PSU issues run too much power requirement thru too low rated PSU? A low budget PSU will have lower duty cycle and efficiency than a higher end one, but if it works for you then why spend £40+ if you dont need to? If ur gonna spend 500-1k+ and twin vga setup then sure its not for u, if ur trying to achieve an economical lower end rig on a low power requirement 65w CPU, 45w vga, then what is the problem? If they were as faulty as you indicate then Scan would not sell them and there would be 100s of posts here 'EZCool fried my mobo'... But there isnt, this is the first one I have seen in the few months I have been here and was therefore interested in the potential issues with them from someone who had first hand experience.

    Probably hi rating budget PSUs will cause more problem as they will be running somewhat over their original design brief, these EZcools were 400-550w until the high wattage hysteria of late. I have not dissembled any to compare components between rated units to see if they are just using the basic same components throughout and so the hi wattage units fail or fail sooner? If anyone has specific information like this please bring it forward, it would carry more weight than general disparagement.
    Thanks

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    Re: EZ-Cool PSUs

    The PSU bashers here will love this:
    jonnyGURU's Personal Website

    Fry it

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    Re: EZ-Cool PSUs

    The Corsair VX looks a splendid choice

    jonnyGURU's Personal Website

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    Re: EZ-Cool PSUs

    If anyone has specific information like this please bring it forward, it would carry more weight than general disparagement.
    Why waste the time.
    The specs on the EZCOOL PSUs just do not add up to the rated Wattage. With this in mind, whats the point of stress testing a PSU that you know will give in.

    The best way to do it if you really want one is for me to buy an EZCOOL PSU, i will send it to you so you can put it in your main rig, load your PC up, put a web cam on it and then we can all watch as the firework display begins.

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    Re: EZ-Cool PSUs

    so in that vein, why waste the time to write comments with no evidence to back it.

    you seem to have no interest in the facts or use of the product, instead just wanting to show prejudice against a low cost component.

    All PSU will give in at some point. That point will vary to each user. For you its no good, for some it is.

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    Re: EZ-Cool PSUs

    Quote Originally Posted by rabbid View Post
    so in that vein, why waste the time to write comments with no evidence to back it.

    you seem to have no interest in the facts or use of the product, instead just wanting to show prejudice against a low cost component.

    All PSU will give in at some point. That point will vary to each user. For you its no good, for some it is.
    My evidence was my own experience

    People will say time and time again 'don't buy no-name PSUs with high wattages' because it's marketing and not quality. This is because most of these people (me now included) probably bought the ebuyer super saver, or the ez cool, and it blew up and took half their computer with it.

    At the time of death, my PSU which was rated for 700w apparently, was running:

    C2D e6300 stock voltages @ 2.8ghz
    P5W DH Deluxe
    2 gig of OCZ Gold 5-5-5-15 PC6400 with 2.1v as per manufacturers specs
    1 Sapphire X1950 Pro 256mb at stock
    2 x Samsung T7K500 250gb drives
    2 x Western Digital WD1600YS 160gb drives
    my case LEDs
    probably something USB like my phone
    and the CD drive

    To me, that doesn't sound like it's reaching the '700w' yet it still gave up the ghost. I've since learnt wattages don't mean a whole lot, it's all about voltages and amps, efficiency and tolerances. In fact, they probably just flogged that PSU and took the spike on the graph, then rounded it up. I wasn't running the PSU out of specification, there was no SLI / XFire - it simply wasn't good enough quality to have good voltages on all the lines and good amps on all the lines. This resulted in many of my components dying from stress from being overvolted and undervolted.

    I didn't even bother RMAing it because I didn't want a replacement .

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    Re: EZ-Cool PSUs

    Quote Originally Posted by rabbid View Post
    so in that vein, why waste the time to write comments with no evidence to back it.

    you seem to have no interest in the facts or use of the product, instead just wanting to show prejudice against a low cost component.

    All PSU will give in at some point. That point will vary to each user. For you its no good, for some it is.
    Oh please.

    Use ALL the evidence available and your last post is ridiculous.
    Evidence - The blow (as per the Original Poster). and here ... http://forums.hexus.net/help-technic...-exploded.html <---Try reading this aswell and tell me that ALL these posters are wrong
    Prejudice for a low cost component - because everything points to it being a poor unit. If you cant see that then its a lost cause.
    Facts - The parts inside a cheap. If they weren't then the PSU would be expensive. Yes?
    All PSUs give in - Maybe but only when they EXCEED the stated load. These units cant even REACH their stated load. GOod PSUs also manage to protect your components when they do. I cannot say if the EZCOOL unit would but i would bet ANYTHING you like they wont.

    Just take a look at the specs of the unit and you will realise your argument is very weak.
    If you think you get something for nothing then you are kidding yourself.

    I have not dissembled any to compare components between rated units
    Why would you.
    Would you know what you were looking for if you did?
    All you need to do is pick one up. Its as light as a feather.
    What does that say to you?
    Last edited by Blitzen; 24-11-2007 at 06:06 PM.

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