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
Top Tier PC4-19200 SO-DIMM - 8GB DDR3 2400MHz | Sweetwater
Patriot 8GB Signature Line DDR5 5600 MHz SO-DIMM PSD58G560041S
Top Tier PC4-19200 SO-DIMM - 8GB DDR3 2400MHz | Sweetwater