Pax_Magellanic Posted January 4, 2008 Share Posted January 4, 2008 Hi, i have 2 TX for a 3 way sli system and both of them are not "silent" as expected. Compared to your noise graph the TX750 series should be a lot less noisy @ windows idle (about 150-200W) than a normal HX 520. Unfortunately it seems that the good guy who assembled my PSU forgot to install the part called fan controller.... both PSUs blow at more or less maximum from the first second on. Is this a known issue with the TX series, or are all of them "crap"? Thx for help Link to comment Share on other sites More sharing options...
Corsair Employees Power Guy Posted January 5, 2008 Corsair Employees Share Posted January 5, 2008 Hi, i have 2 TX for a 3 way sli system and both of them are not "silent" as expected. Compared to your noise graph the TX750 series should be a lot less noisy @ windows idle (about 150-200W) than a normal HX 520. Unfortunately it seems that the good guy who assembled my PSU forgot to install the part called fan controller.... both PSUs blow at more or less maximum from the first second on. Is this a known issue with the TX series, or are all of them "crap"? Thx for help What kind of config are you running? Can you list your detailed power specs here? With 3 8800GTXs, a quad core CPU, and a few hard drives, it would be difficult to imagine you're still under 200W at idle. If you want to test this, take the PSU's 24-pin cable and short the green pin to the black pin with a paperclip or a piece of insulated wire, and see if the fan spins up at the same speed it is when it's in your system. Effectively this turns the PSU on with no load, and the PSU should be quietest when turned on this way. Make sure it's not plugged into hard drives or video cards during this test. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted January 5, 2008 Corsair Employees Share Posted January 5, 2008 Here is the test that Power Guy is referring to. Link to comment Share on other sites More sharing options...
Pax_Magellanic Posted January 5, 2008 Author Share Posted January 5, 2008 Thanks for the input! I tested the PSU with a low power system (E6750, P35, 88 GT) and even in this config the fan produced lots of noise it should not do. Without and with load (200W) the fan works at exactly the same frequency. Thanks to some reviewer I know that the fan is a Yate Loon "H" which means my PSU fan is not operating at flank speed. I think it works at 6V or anything like that. I think Corsair should recheck their marketing materials which state about 17-18 dB(A) for the TX series from 0 to ~350W. In reality it sounds more like 28dB(A). Additionally the high-tech air flow improvement (transparent plastic which covers half the fan) seems to be a faulty design. With the fan blowing at ~1200 rpm almost no air comes out of the exhaust. Furthermore modular cables would be nice for your next PSU series. Link to comment Share on other sites More sharing options...
Wired Posted January 5, 2008 Share Posted January 5, 2008 I'd still try to test it how Power Guy recommended, just to be safe. Link to comment Share on other sites More sharing options...
EliteKiller Posted January 5, 2008 Share Posted January 5, 2008 http://enthusiast.hardocp.com/article.html?art=MTQwMyw5LCxoZW50aHVzaWFzdA== Noise The Corsair TX750W comes equipped with everything it needs to be a very quiet mid (by today’s production standards) to high end power supply, and indeed it seems to be. During the all of our tests, up to Test #4, the unit seems to be about as quiet as the HX620W and the VX450W were in our testing, which is to say dead silent. During Test #4 thought the unit did begin to add its own nice low bass tone to our testing environment but I was only able to ascertain that fact when shutting off the load tester to program in the alternate Test #4. It seems that the choice of tuning the fan controller towards the silence end of spectrum worked out remarkably well through 80% of the units DC output range and then just really well in the remaining 20%. Link to comment Share on other sites More sharing options...
Pax_Magellanic Posted January 6, 2008 Author Share Posted January 6, 2008 I think I know exactly how to operate a PSU - I've tested enough of them. Even if I just short both pins to start the PSU the fan is spinning at a high level and produced too much noise for a "silent" PSU. Unfortunately I have two of them and they're both equiped with this crap noisy fan.... I think this was the very last PSU I bought from Corsair. Link to comment Share on other sites More sharing options...
EliteKiller Posted January 6, 2008 Share Posted January 6, 2008 I think I know exactly how to operate a PSU - I've tested enough of them. Judging by your replies I'd beg to differ. I think this was the very last PSU I bought from Corsair. Return them to your reseller, or simply RMA them to Corsair. I can't tell you the number of times I've heard the "I'm gonna boycott xxx company..." over the past 10 years. As much hardware as I've RMA'ed I'd be SOL. Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.