SAMSUNG M471A1K43CB1-CTD 2666MHz Memory Modules (8GB, 1 x 8GB, DDR4, 2666 MHz, 260-Pin SO-DIMM, Black, Green) at Amazon.com
Samsung 32GB DDR4 2666MHz RAM Memory Module for Laptop Computers (260 Pin SODIMM, 1.2V) M471A4G43MB1 at Amazon.com
v-Color 32GB (2 x 16GB) ECC SO-DIMM DDR4 2666MHz (PC4-21300) for NAS Micro Server/Workstation/Compatible with Synology 21 Series 2Rx8 CL19 1.2V (TES416G26D819K-VKC) at Amazon.com
AGI SD138 16GB, DDR4, 2666MHz (PC4-21300), CL19, SODIMM Memory at Amazon.com
Amazon.com: Crucial RAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS8266 : Everything Else
Crucial RAM 32GB Kit (16GBx2) DDR4 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory CT2K16G4SFD832A at Amazon.com
Amazon.com: Patriot Memory Signature Line DDR4 16GB (2 x 8GB) 2666MHz (PC4-21300) UDIMM Dual Kit Memory Kit PSD416G2666K : Electronics
Crucial RAM 4GB DDR4 2666 MHz CL19 Laptop Memory CT4G4SFS8266 at Amazon.com
Timetec 16GB DDR4 2666MHz (DDR4-2666) PC4-21300 (PC4-2666V) Non-ECC Unbuffered 1.2V CL19 2Rx8 Dual Rank 260 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade (16GB) at Amazon.com
SK HYNIX 16GB 2RX8 DDR4 SO-DIMM PC4-21300 2666MHZ Memory Module HMA82GS6JJR8N-VK at Amazon.com
Amazon.com: Crucial 32GB Kit (16GBx2) DDR4 2666 MT/s (PC4-21300) DR X8 DIMM 288-Pin Memory - CT2K16G4DFD8266 : Everything Else
Samsung 16GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module at Amazon.com
SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop ram Memory Module M378A1K43DB2-CTD at Amazon.com
Timetec 16GB DDR4 2666MHz (DDR4-2666) PC4-21300 (PC4-2666V) Non-ECC Unbuffered 1.2V CL19 2Rx8 Dual Rank 260 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade (16GB) at Amazon.com
Crucial 16GB Kit (8GBx2) DDR4 2666 MT/s (PC4-21300) SR x8 SODIMM 260-Pin Memory - CT2K8G4SFS8266 at Amazon.com
Kingston 16GB DDR4 2666MHz Module at Amazon.com
Crucial RAM 8GB DDR4 2666 MHz CL19 Laptop Memory CT8G4SFRA266 at Amazon.com
HP S1 Single RAM 8GB DDR4 2666MHz CL19 Laptop Memory - 7EH98AA#ABC at Amazon .com
Crucial Bundle with 64GB (2 x 32GB) DDR4 PC4-21300 2666MHz RDIMM (2 x CT32G4RFD4266), Dual Ranked Registered ECC Memory at Amazon.com
ADATA Premier 8GB Single DDR4 2666Mhz CL19 PC4-21000 260-Pin SODIMM Memory RAM Single (AD4S26668G19-SGN) at Amazon.com
SK HYNIX 8GB 1RX8 DDR4 SO-DIMM PC4-21300 2666MHZ Memory Module HMA81GS6JJR8N-VK at Amazon.com
Micron MTA8ATF1G64HZ-2G6E1 8GB DDR4 2666MHz Memory Module - Memory Modules (8GB, 1x8GB, DDR4, 2666MHz, 260-pin SO-DIMM) at Amazon.com
OWC 128GB (4 x 32GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with 27" iMac w/Retina 5K (Early 2019 and up) and Compatible PCs (OWC2666DR4S128S) at Amazon.com
32GB DDR4-2666MHZ Non-ECC CL19 SODIMM 2RX8 at Amazon.com
