Hynix 8GB PC4-21300 DDR4-2666MHz 260-Pin SODIMM 1.2V Single Rank Memory Module HMA81GS6CJR8N-VK at Amazon.com
Amazon.com: Crucial 8GB Single DDR4 2400 MT/s (PC4-19200) DR x8 DIMM 288-Pin Memory - CT8G4DFD824A : Everything Else
Silicon Power DDR4 16GB (2 x 8GB) RAM 2666MHz (PC4 21300) 288-pin CL19 1.2V Non ECC Unbuffered UDIMM Desktop Memory with Heatsink SU016GBLFU266BD2J6 at Amazon.com
Micron Technology MTA4ATF1G64HZ-3G2E1 8GB 3200MHz DDR4 260-Pin SODIMM (PC4-25600) Memory Module for Laptops, Desktop Mini's & All in One's at Amazon.com
Corsair Vengeance LPX 8GB (1 x 8GB) DDR4 DRAM 2400MHz C16 (PC4-19200) Memory Kit - , Vengeance LPX Black at Amazon.com
Amazon.com: 【DDR4 RAM】 Gigastone Desktop RAM 8GB DDR4 8GB DDR4-2666MHz PC4-21300 CL19 1.2V 288 Pin Unbuffered Non ECC UDIMM for PC Computer Desktop Memory Module (Desktop ONLY) : Video Games