HP 16GB (1x16GB) Quad Rank x4 PC3-8500 (DDR3-1066) Registered CAS-7 Memory Kit (500666-B21)
Intel® Xeon® E-2144G Processor 8M Cache, up to 4.50 GHz
Intel Xeon E-2236 Processor 12M Cache, 3.40 GHz
Intel® Xeon® 14 Cores Processor E5-2683 v3 (35M Cache, 2.00 GHz)
HP 16GB (1x16GB) Dual Rank x4 PC3-12800R (DDR3-1600) Registered CAS-11 Memory Kit (672631-B21)
HP 32GB (1x32GB) Quad Rank x4 PC3L-10600L (DDR3-1333) Load Reduced CAS-9 Low Voltage Memory Kit (647903-B21)