IBM (791462B) – x3550 M4, Intel Xeon E5-2665 2.4GHz/1600MHz 8C 20MB L3 Cache 115w, 1 x 8G (2Rx4, 1.5V) PC3-12800 CL11 DDR3 1600MHz LP RDIMM Memory (12 DIMM slots per Processor and Max 24 x DIMM Slots), 4 x 2.5″ SAS Hot Swap (Max 8 HDD Bays), 2 x PCI-E Slots ( x16 LP + x8 FH/HL), 4 x GbE Network Ports, Optional Optical Drive, ServeRAID 5100 1GB RIAD Flash with Supercap (RAID-0/1/10/5/50), Integrated Management Module (iMM), 1 x 550W High Efficiency Platinum AC Hot Swap Power Supply (max: 2), 3Yrs Warranty

IBM (8722IGA) – x3750 M4, 2 x Intel Xeon Processor E5-4650 8C 2.7GHz 20MB Cache 1600MHz 130W, 2 x 8GB (1x8GB, 2Rx4, 1.35V) PC3L-10600 CL9 ECC DDR3 1333MHz LP RDIMM Memory (Standard with CPU – Memory Mezzanine, Max 48 x DIMM Slots), 8 x 2.5″ SAS Hot Swap (Max 16 HDD Bays), 5 x Low-Profile PCI-Ex8 Gen3 Slots + 3 x FH/HL PCI-Ex8 Gen3 slots on a riser (Optional), 2 x GbE Network Ports, DVDRW, ServeRAID M5110e with M5100 1GB Flash and Supercap (RAID-0/1/10/5/50), Integrated Management Module (iMM), 1 x 1400W HE AC Hot Swap Power Supply (Max 2), 3Yrs Warranty