Alecthar Posted June 14, 2011 Share Posted June 14, 2011 I currently have an array with 16 7K2000 drives. These are 7,200RPM drives but Hitachi shows the power at 2.0 and not three like has been suggested here for faster drives (should I believe Hitachi?). I'm getting close to needing more space so I'm looking to replace the Antec case/PSU with a Norco 4224 and have every intent to max it out with 24 drives as soon as unraid supports that many. I'm waiting for the next great sale on the 5K3000 drives and am trying to figure out the power requirements for the 4224 loaded with all these drives. I'm leaning towards the CORSAIR CMPSU-750TX (http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006). With a single 60A rail it seems that this should do just fine, no? Also could someone please clue me in on the difference between their normal PSU and the enthusiast line such as this: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021 It looks like it's justa $5 difference but I'd like to understand what the $5 gets you. Both of the supplies you reference are from Corsair's TX line, the difference is that the first one is an older version of the unit, it's less efficient and performs worse. It's still a very solid supply, but the TX750 V2 (the second one you linked) is a much better buy overall. My feeling is that any price premium on the older unit is likely due to declining supply. Quote Link to comment
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