IBM (8722A1B) – x3750M4, 2 x Intel Xeon Processor E5-4617 6C 2.9GHz 15MB Cache 1600MHz 130W, 2 x 8GB (1x8GB, 2Rx4, 1.5V) PC3-12800 CL11 ECC DDR3 1600MHz LP RDIMM Memory (Optional CPU – Memory Mezzanine, Max 48 x DIMM Slots), 4 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, Optional Optical Drive, ServeRAID M5110e (RAID-0/1/10), Integrated Management Module (iMM), 1 x 1400W HE AC Hot Swap Power Supply (Max 2), 3Yrs Warranty

IBM (8722D2B) – x3750 M4, 4 x Intel Xeon Processor E5-4650 8C 2.7GHz 20MB Cache 1600MHz 130W, 24 x 16GB (1x16GB, 4Rx4, 1.35V) PC3L-10600 CL9 ECC DDR3 1333MHz LP LRDIMM Memory (Standard with CPU – Memory Mezzanine, Max 48 x DIMM Slots), eXFlash 32 x 1.8″ 200GB MLC SSD (Max 32 1.8″ SSD Bays), 5 x Low-Profile PCI-Ex8 Gen3 Slots + 3 x FH/HL PCI-Ex8 Gen3 slots on a riser, 2 x GbE Network Ports, Optional Optical Drive, ServeRAID M5110e with M5100 512MB Cache and Battery, 3 x M5110 with 512MB Cache and Battery (RAID-0/1/10/5/50), ServeRAID M5100 Series SSD Performance Key, Integrated Management Module (iMM), 2 x 1400W HE AC Hot Swap Power Supply (Max 2), 3Yrs Warranty