IBM (546252B) – Lenovo x3650 M5, Intel Xeon Processor E5-2630L v3 8C 1.8GHz 20MB Cache 1866MHz 55W, 1 x 16GB TruDDR4 Memory (2Rx4, 1.2V) PC4-17000 CL15 2133MHz LP RDIMM (12 DIMM slots per Processor and Max 24 x DIMM Slots), 8 x 2.5″ Hot Swap (Max 18 HDD Bays), 1 x PCI-E Slots (max:8),? 4 x GbE Network Ports, Optional Optical Drive, ServeRAID M5210 with M5200 1GB Flash and Supercap (RAID 0/1/5/10/50), Optional LCD Light Path, Integrated Manamgement Module (iMM), 1 x 550W High Efficiency Platinum AC Hot Swap Power Supply (max: 2), 3Yrs Warranty

IBM (8722IFA) – x3750 M4, 2 x Intel Xeon Processor E5-4610 6C 2.4GHz 15MB Cache 1333MHz 95W, 2 x 8GB (1x8GB, 2Rx4, 1.35V) PC3L-10600 CL9 ECC DDR3 1333MHz LP RDIMM Memory (Standard 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 Series 1GB Flash and Supercap (RAID-0/1/10), Integrated Management Module (iMM), 1 x 1400W HE AC Hot Swap Power Supply (Max 2), 3Yrs Warranty