rlcronin Posted July 31, 2009 Share Posted July 31, 2009 Just installed the H50. Nice (small) improvement over the Asetek. Question, I followed the instructions to attach the fan to the 4-pin CPU fan header and the pump to an available 3 pin fan header. I have Asus QFAN enabled (using the "silent" profile) for both the CPU fan and the chassis fans. Will the fact that the chassis fan headers are throttled cause any problems for the pump? I checked the RPM's reported in BIOS and without QFAN enabled the chassis fan header the pump was connected to was reporting 14xx RPM's. With the "standard" profile it was reporting about the same, but with the "silent" profile it was reporting 12xx. In practice the noise difference between "standard" and "silent" is not that much, but of course the quieter the better and as long as the temps aren't too bad I'd prefer to run on "silent" unless its going to cause an issue. FWIW this is an Asus P6TV1 with a non-overclocked Core i7 920 in a CoolerMaster HAF-922 (so there's plenty of ventilation). Temps at idle run in the mid-to-upper 30's (with "silent" enabled) and near 60 when running prime95. -- bc Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted July 31, 2009 Corsair Employees Share Posted July 31, 2009 If the temps are reasonable with the silent mode enabled, then you should be fine, but I would suspect that you would get the best performance by using a header on the board that is not throttling the power to the pump. Just to be on the safe side I would run some stress tests and make sure the CPU temps stay at reasonable levels, if you are using the silent mode. Link to comment Share on other sites More sharing options...
rlcronin Posted July 31, 2009 Author Share Posted July 31, 2009 Hm, the power fan header isn't throttled. I will try that one (not sure the cable is going to reach). Thanks for the advice. Link to comment Share on other sites More sharing options...
rlcronin Posted July 31, 2009 Author Share Posted July 31, 2009 Hm, the power fan header isn't throttled. I will try that one (not sure the cable is going to reach). Thanks for the advice. I can report that connecting the pump to the (non-throttled) power fan header on the P6T shaved 3-5 degrees off my idle temps. Nice. Although I had to rotate the pump to orient the power cable more in the direction of the header (which is at the top right of the board as you look at the case standing vertically) and even then it was very (very) close to not making it. You may want to consider speccing that cable a few inches longer for the next rev. -- bc Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 1, 2009 Corsair Employees Share Posted August 1, 2009 Thanks for the update, I'll let the product manager know about the cable length, I think I would agree with you. Link to comment Share on other sites More sharing options...
curlysir Posted August 1, 2009 Share Posted August 1, 2009 Thanks for the update, I'll let the product manager know about the cable length, I think I would agree with you. I just received my cooler today, brackets will be here Monday. I also agree that the cable is a little on the short side but there are extensions in various lengths available so that is not a major problem. FOLLOW UP: After actually mounting the cooler, the cable barely reached the CPU or PWR connector. I used the CPU header for the pump because the PWR connector is not monitored on my board. This is on an ASUS M3A79T-Deluxe. It would plug into either one but the length was just barely long enough. Needs to be a couple inches longer to give a little more flexibility in routing the cable. Link to comment Share on other sites More sharing options...
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