A-Tech 8GB Replacement for HP 669239-081 - DDR3 1600MHz PC3-12800 ECC Unbuffered UDIMM 2rx8 1.5v - Single Server Memory Ram Stick (669239-081-ATC) at Amazon.com
8GB G.Skill DDR3 PC3-10666 1333MHz Ripjaw Series CL9 (9-9-9-24) Dual Channel kit at Amazon.com
16GB KIT 2X8GB 1333MHZ DDR3 CL9 at Amazon.com
16.0GB (8GBx2) PC3-12800 DDR3L 1600MHz SO-DIMM 204 Pin CL11 SO-DIMM Memory Upgrade Kit for 2012 MacBook Pro 13" & 15" models (non-Retina display), 2011-14 iMac and Mac mini, PCs which utilize PC12800
A-Tech 8GB Replacement for HP 669239-081 - DDR3 1600MHz PC3-12800 ECC Unbuffered UDIMM 2rx8 1.5v - Single Server Memory Ram Stick (669239-081-ATC) at Amazon.com
DDR3, 1600MHz 16GB 2x240 Dimm, Unbuffered, 9-9-9-24, Vengeance Pro Silver Heats at Amazon.com
DDR3 vs DDR4 - What's The Difference? | 2022 Complete Guide | WePC