HYNIX - IMSOURCING SK 4GB DDR3 SDRAM Memory Module - for Desktop PC, Workstation - 4 GB - DDR3-1600/PC3L-12800 DDR3 SDRAM - 1600 MHz - CL11-1.35 V - Non-ECC - Unbuffered - 240-pin - DIMM at Amazon.com
SK Hynix 4GB DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA851S6CJR6N-XN, OEM Package at Amazon.com
Hynix HMT451U6BFR8C-PB 8GB 2 x 4GB PC3-12800U DDR3 1600 CL11 Desktop Memory Kit at Amazon.com
Laptop Memory Module 2-Peace Kit HMA851S6DJR6N-XN Compatible Replacement Spare Part for SK Hynix HMA851S6DJR6N 8GB (2x4GB) 1RX16 DDR4 SO-DIMM PC4-25600 3200MHz 260-Pin Non-ECC CL22 1.2V at Amazon.com
Laptop Memory Module HMA851S6DJR6N-XN Compatible Replacement Spare Part for SK Hynix HMA851S6DJR6N 4GB 1RX16 DDR4 SO-DIMM PC4-25600 3200MHz 260-Pin Non-ECC CL22 1.2V at Amazon.com
SK Hynix 4GB 1Rx8 PC4-17000 DDR4-2133 1.2volt CL15 260 Pin Sodimm Memory p/n HMA451S6AFR8N-TF at Amazon.com
Amazon.com: OWC 8GB (2 x 4GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S08P) : Everything Else
SK Hynix 4GB DDR4 2666MHz SODIMM Memory Module at Amazon.com
SK HYNIX 8GB 2X4GB DDR4 PC4-21300 2666MHZ 1RX16 CL17 Memory KIT HMA851S6CJR6N-VK at Amazon.com
SK Hynix 4GB DDR4 2666MHz SODIMM Memory Module at Amazon.com