IBM (546083B) – x3650 M4, Intel Xeon E5-2697 v2 12C 2.7GHz 30MB 1866MHz 130W, 1 x 16GB (1x16GB, 2Rx4, 1.35V) PC3L-12800 CL11 ECC DDR3 1600MHz LP RDIMM (12 DIMM slots per Processor and Max 24 x DIMM Slots), 16 x 2.5″ SAS Hot Swap (Max 24 HDD Bays), 3 x PCI-E Slots (1 x8 FH/FL + 2 x8 FH/HL), 4 x GbE Network Ports, No Optional Optical Drive Support, ServeRAID M5210e (RAID-0/1/10), Integrated Management Module (iMM), 1 x 900W High Efficiency Platinum AC Hot Swap Power Supply (Max 2), 3Yrs Warranty

IBM (7158IHA) – x3630 M4, Intel Xeon E5-2440 6C 2.4GHz 15MB Cache 1333MHz 95W, 1 x 4GB (1x4GB, 2Rx8, 1.35V) PC3L-10600 CL9 ECC DDR3 1333MHz LP RDIMM Memory (6 DIMM slots per Processor and Max 12 x DIMM Slots), 12 x 3.5″ Hot Swap SATA HDDs (Max 8 HDD Bays), 2 x PCI-E Slots ( x8 FH/FL + x8 FH/HL) + 2 PCI-E x8 Low Profile Slots, 4 GbE Network Ports, ServeRAID M5110 with M5100 1GB Flash and Supercap (RAID-0/1/10/5/50), No internal Optical Drive Support, Integrated Management Module (iMM), 1 x 750W High Efficiency Platinum AC Power Supply (Max 2), 3Yrs Warranty