OWC 32GB (2 x 16GB) PC21300 DDR4 2666MHz SO-DIMMs Memory, Compatible with Mac Mini 2018, iMac 2019 and up, and Compatible PCs, (OWC2666DDR4S32P) at Amazon.com
Kingston 4GB DDR4 2666MHZ SODIMM at Amazon.com
A-Tech 4GB DDR4 2666MHz PC4-21300 (PC4-2666V) CL19 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Laptop Notebook RAM Memory Module at Amazon.com
Samsung 4GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 Laptop ram Memory Module at Amazon.com
Timetec DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G Non-ECC Unbuffered SODIMM (Compatible for RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+) at Amazon.com
SAMSUNG 4GB DDR4 PC4-19200, 2400MHZ, 288 PIN DIMM, 1.2V, CL 17 Desktop RAM Memory Module at Amazon.com
Kingston KVR26S19S6/4 Valueram - DDR4-4 GB - SO-DIMM 260-Pin - 2666 MHz/PC4-21300 - CL19-1.2 V - Unbuffered - Non-ECC at Amazon.com
Amazon.com: Crucial RAM 4GB DDR4 2666 MHz CL19 Desktop Memory CT4G4DFS8266 : Everything Else
Crucial RAM 4GB DDR4 2666 MHz CL19 Laptop Memory CT4G4SFS8266 at Amazon.com
Timetec 4GB DDR3L / DDR3 1600MHz PC3L-12800 / PC3-12800 Non-ECC Unbuffered 1.35V / 1.5V CL11 2Rx8 Dual Rank 204 Pin SODIMM Laptop Notebook PC Computer Memory RAM Module Upgrade (4GB) at Amazon.com
Kingston 4GB DDR4 2666MHZ SODIMM at Amazon.com
A-Tech 4GB DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Module at Amazon.com
Dell 4GB DDR4 SDRAM Memory Module - 4 GB (1 x 4 GB) - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21333 - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM at Amazon.com
Acer UD100 4GB Single RAM 2666 MHz DDR4 CL19 1.2V Desktop Computer Memory - BL.9BWWA.219 at Amazon.com
HP 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21333 - 1.20 V - Non-ECC - Unbuffered - 260-pin - SoDIMM at Amazon.com
Crucial RAM 4GB DDR4 2666 MHz CL19 Laptop Memory CT4G4SFS8266 at Amazon.com
SK Hynix 4GB DDR4 2666MHz SODIMM Memory Module at Amazon.com
Synology RAM DDR4-2666 Non-ECC SO-DIMM 4GB (D4NESO-2666-4G) at Amazon.com
HP S1 Single RAM 8GB DDR4 2666MHz CL19 Laptop Memory - 7EH98AA#ABC at Amazon .com
A-Tech 4GB DDR4 2666 MHz UDIMM PC4-21300 (PC4-2666V) CL19 DIMM Non-ECC Desktop RAM Memory Module at Amazon.com
Timetec 4GB DDR4 2666MHz PC4-21300 Non-ECC Unbuffered 1.2V CL19 1Rx8 Single Rank 288 Pin UDIMM Desktop PC Computer Memory RAM Module Upgrade (4GB) at Amazon.com
