Amazon.com: Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 2133MHz (PC4-17000) C13 Memory Kit - Black : Everything Else
A-Tech 8GB Replacement for HP 759934-B21 - DDR4 2133MHz PC4-17000 ECC Registered RDIMM 2rx8 1.2v - Single Server Memory Ram Stick (759934-B21-ATC) at Amazon.com
Hynix DDR4-8 GB - DIMM 288-pin - 2133 MHz / PC4-17000 - CL15-1.2 V - Registered - ECC at Amazon.com
parts-quick 8GB DDR4 PC4-17000 2133 MHz CL15 1.2V 288 pin ECC Registered DIMM Server Compatible RAM at Amazon.com
8GB DDR4-2133MHZ SODIMM F/HP at Amazon.com
MemoryMasters 840817-001 - 8GB PC4-17000 DDR4-2133MHz 2Rx8 1.2v Non-ECC UDIMM (Equivalent to OEM PN # 840817-001) at Amazon.com
A-Tech 8GB RAM Replacement for HP 752368-081 | DDR4 2133MHz PC4-17000 1Rx4 1.2V ECC RDIMM Registered 288-Pin DIMM Memory Module at Amazon.com