February 8, 201016 yr I have an unraid server with 9 drives in it. What size psu would u put in it? I currently have a thermaltake 950. And am having problems that is either a low/not enough power or a mother board problem. With 9 drives is my psu enough?
February 8, 201016 yr if 950 is the watts of the PSU then that is MORE than enough. I run 10 drives on a Corsair 450 watt PSU.
February 8, 201016 yr 950watts is more then enough. Probably way over sized unless you plan to go up to 20 or more drives.
February 8, 201016 yr Also its important to know the power usage of the actual drives you have. Modern "Green" drives use a fraction of power older non Green drives use. When you are talking abkut loads of drives this can easily make 100% difference in power requirements. Another factor is how many rails your PSU has and its efficiency rating (the actual one thats been tested and not the marketing one... PSU manufacturers lie/obfuscate so much its endemic)
February 9, 201016 yr Author I powered off the system to install a new drive. apon powering it back up it would lock up prior or shortly after the bios logo. Then it would power up to bios but only find some of the drives... then it would power up and find all the drives and work fine.. but I hadn't plugged in my new drive so i powered it down again... I am finally at the state where it turns on for a fraction of a minute then powers off again. I equate this behavoir wiht a short in the mobo (based on experience- actually could be a short anywere but based on all the other issues I believe the mobo went to heck). I am assuming the PSU is fine at this point.
February 9, 201016 yr power up and then shutdown could be the motherboard, a short or a missing alternate power connection. Check the 8 pin or 4 pin additional power connector. Check for shorts on the hard drive connectors, maybe something is touching the case or something silly like that.
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