 "Kingston ValueRAM - DDR4 16 GB: 2 x 8 GB DIMM 288-pin" " Kingston 288-pin KVR21N15S8K2/16 System Memory (RAM) CDW.com
"ValueRAM is Kingston's value-priced line of industry-standard, generic memory intended for customers who have white box or generic computer systems, or who plan to purchase memory by specification. ValueRAM is designed to industry specifications tested, is 100% tested and is available at competitively low prices." 
 "Corsair XMS3 8GB (2x4GB) DDR3 PC3-12800 1600MHz Dual Channel Kit "@en 2x4GB | CMX8GX3M2A1600C9 Novatech"@en
"1600MHz RAM Speed, CAS 9-9-9-24, 1.50-1.65v VDIMM, XMP, Lifetime Warranty"@en 
 Memory Type DDR3 (PC3-12800) Capacity 8GB (2 x 4GB) Tested Speed 1600MHz Tested Latency 9-9-9-24 Tested Voltage 1.50-1.65v Registered / Unbuffered Unbuffered Error Checking Non-ECC Memory Features XMP, XMS3 Heatsink