memory - I'm upgrading my RAM, and have conflicting results from CPU-Z and CrucialScan; how many RAM slots do I have? Also, 4x4GB vs. 2x8GB? - Super User
16GB (4X4GB) Memory Ram Compatible with Supermicro X8Sie Motherboard For Server Only By CMS B111 - Computer Memory Solutions
CMS 16GB (4x4GB) DDR3 10600 1333MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex 980 DDR3 DIMM - C58 at Amazon.com