psu advise server

[dreak]

 

hi, i'm looking for a good psu for my unraid server.

i have 2 intel e5-2650 v2,

10 8gb ddr3 ram(may want to expand to 16 if i find it very cheap),

motherboard X9DR7-LN4F-O,

2 sata ssd (or max 4),

a HPE H240 Smart Host Bus Adapter

and currently 5 hdd 7.2k rpm but would like to expand if possible.

according to a calculation website: https://outervision.com/b/H6E7zw I need at least a 750 watt psu? advice is most welcome