ADATA Premier 8GB (1x8GB) DDR5 4800MHz CL40 PC5-38400 262-Pin SODIMM Memory RAM Single Pack(AD5S48008G-S) at Amazon.com
CMS 1GB (1X1GB) DDR2 5300 667MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Foxconn® G33M, G33M-S Motherboard - A103 at Amazon.com
Amazon.com: Asus ROG (X570) Crosshair VIII Impact, AMD, AM4, Ryzen 3000, (Mini-DTX) SFF Gaming Motherboard with PCIe 4.0, On-board Wifi 6 (802.11Ax), Intel LAN, SATA 6GB/s, USB 3.2 Gen 2, SO-DIMM.2 and
CMS 4GB (2X2GB) DDR3 12800 1600MHz Non ECC DIMM Memory Ram Upgrade Compatible with Fujitsu® Mainboard D3221-B, D3222-B, D3231-S, D3236-S - A84 at Amazon.com
OWC 64GB (4 x 16GB) PC19200 DDR4 2400MHz CL17 260pin SO-DIMMs Memory Compatible with 27" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S64S) at Amazon.com
Amazon.com: OWC 16GB (2 x 8GB) PC6400 DDR2 ECC 800MHz FB-DIMMs Memory Compatible with Mac Pro Quad Core / 8 Core (OWC64FB8MPK16GB) : Everything Else
Kingston 16GB DDR4 SDRAM Memory Module at Amazon.com