Processor(s) (1) AMD Opteron™ 6344 (2.6GHz/12-core/16MB/115W TDP) Processor (up to 2) Cache Memory 16MB (1x16MB) Level 3 cache Memory 32GB (4x8GB) 2Rx4 PC3L-10600R-9 NOTE: Total 24 DIMM slots available with processor upgrade (2P configuration) Network Controller HP Ethernet 1Gb 4-port 331FLR Adapter Storage Controller HP Smart Array P420i/1GB FBWC (RAID 0/1/1+0/5/5+0) Hard Drive 3x300GB SAS 10k SFF Internal Storage Standard: 8 SFF SAS/SATA HDD Bays Optional: +8 SFF (total of 16) SFF SAS/SATA HDD Bays Optical Drive Bay HP Slim 12.7mm SATA JB DVDRW Drive PCI-Express Slots 3 PCIe slots (+3 PCI slots available with upgrade option) Power Supply HP 750W CS Hot Plug Power Supply (92% Efficient) Fans (4) (N+1 redundancy standard) Management iLO Management Engine Standard Optional: HP Insight Control Form Factor Rack (2U), HP Ball Bearing Rail Kit /Cable Management Arm standard Warranty includes 3-Year Parts, 3-Year Labor, 3-Year Onsite support with next business day response.