aswinp Posted September 28, 2008 Share Posted September 28, 2008 Hi folks, I'm going to be building a server for my business, and am thinking of using the HX1K as the PSU. This PSU will power: 2 Xeon E5405 Quad Core Motherboard Intel S5000PSL (onboard basic ATI VGA) 1 Areca 1261ML RAID Card (16 channel) 20 SATA 7200rpm Drives (WDC mostly) in 4 x 5-in-3 internal enclosure Note: 20 drives because this will be a VM Server hosting about 15 Guest Servers ----- I've seen the rail distribution diagram --> http://www.asktheramguy.com/v3/showthread.php?t=70317 ...but I'm still unsure, because from what I understand from the above chart: 1. The MB, both CPUs and RAID Card will be running from rail 1 (RED) .... Is this correct? 2. All 20 drives will run off the second rail (ORANGE). Note: Each 5in3 enclosure is powered by 2 molex. So 4 enclosures mean 8 molex to power all 20 drives. My concern is for Number 2.... will the second rail alone be enough to power all 20 SATA 7200rpm Drives reliably? If not then my option is to go to a psu with single rail design like the silverstone OP1200 or ZU/ZM1200 series. Thanks for the help guys. AP Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted September 29, 2008 Corsair Employee Share Posted September 29, 2008 As far as power is concerned, there shouldn't be any issues. Each HDD can pull up to about 20 watts at full load, so with 20 drives at full load you are looking at about 400 watts altogether, which should not be a problem at all. The only thing that I would double check is how many connectors you are going to need. You will have 10 molex and 10 SATA connectors to work with, but it sounds like that should be plenty. Link to comment Share on other sites More sharing options...
aswinp Posted September 29, 2008 Author Share Posted September 29, 2008 Thank you. One of the reason I'm going with the HX1K is the fact that it has 10 molex connectors. Most other PSU only has 6 molex and so I've had to use several molex splitters which I'm not too happy about. thanks again. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted September 29, 2008 Corsair Employee Share Posted September 29, 2008 No problem at all, let us know if you have any more questions, and good luck with the build! Link to comment Share on other sites More sharing options...
JoeBob Posted September 30, 2008 Share Posted September 30, 2008 There will be a huge power surge (up to 3x operating mode) when the 20 drives spin up, so I would reckon that you employ staggered spinup with that amount of hard drives. Other than that, as Ram Guy points out, plenty of juice to go around. Link to comment Share on other sites More sharing options...
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