IBM (5457B3B) – x3100 M5, Xeon E3-1220 v3 3.1GHz 8MB 1600MHz 4C (80W), 1 x 4GB (1x4GB, 2Rx8, 1.35V) PC3L-12800 CL11 ECC DDR3 1600MHz LP UDIMM Memory, 4 x 3.5″ Simple Swap SATA, ServeRAID C100 (RAID 0/1), DVD-ROM, 2 x Gigabit Ethernet, 350W Fixed Power Supply, 1Yr 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