v-Color 64GB (2 x 32GB) ECC SO-DIMM DDR4 2666MHz (PC4-21300) for microservers, workstations, Networking Platforms and Embedded Systems 2Rx8 CL19 1.2V (TES432G26D819K-VC) at Amazon.com
2GB Kit (2 x 1GB) DDR PC2700 Unbuffered Non-ECC 184-PIN DIMM - CT2KIT12864Z335 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
Kingston FURY Impact 32GB (2 x 16GB) 260-Pin DDR4 SO-DIMM DDR4 3200 (PC4 25600) Notebook Memory Model RFIB4-32C20K2/32 - Newegg.com
CORSAIR Vengeance 32GB (2 x 16GB) 262-Pin DDR5 SO-DIMM DDR5 4800 (PC4 38400) Laptop Memory Model CMSX32GX5M2A4800C40 - Newegg.com
Memory Master 4 GB (2 x 2GB) DDR2 800 MHz PC2-6400 Desktop DIMM Memory Modules MMD4096KD2-800 at Amazon.com
Komputerbay 8GB (2 X 4GB) DDR3 DIMM (240 pin) 1333Mhz PC3 10600 / PC3 10666 9-9-9-25 1.5v - Komputer Bay
OWC 96GB (2 x 16GB + 2 x 32GB) PC21300 DDR4 2666MHz SO-DIMMs Memory Compatible with 27" iMac w/Retina 5K (Early 2019 and up) and Compatible PCs (OWC2666DDR4S96S) at Amazon.com
KTH-XW667/2G Kingston 2GB Kit (2 X 1GB) PC2-5300 DDR2-667MHz CL5 DIMM DR Memory | eBay