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
Amazon.com: FMB-I Compatible with HMA41GS6AFR8N-TF Replacement for Hynix 8gb Pc4-17000 Ddr4-2133mhz Memory : Electronics