Amazon.com: Crucial 8GB Single DDR4 2133 MT/s (PC4-17000) DR x8 Unbuffered DIMM 288-Pin Memory - CT8G4DFD8213 : Everything Else
Amazon.com: FMB-I Compatible with HMA41GS6AFR8N-TF Replacement for Hynix 8gb Pc4-17000 Ddr4-2133mhz Memory : Electronics
Hynix DDR4-8 GB - DIMM 288-pin - 2133 MHz / PC4-17000 - CL15-1.2 V - Registered - ECC at Amazon.com
A-Tech 8GB Replacement for HP 797258-581 - DDR4 2133MHz PC4-17000 ECC Unbuffered UDIMM 2rx8 1.2v - Single Server Memory Ram Stick (797258-581-ATC) at Amazon.com