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
CMS 8GB (2X4GB) DDR4 19200 2400MHZ NON ECC DIMM Memory Ram Upgrade Compatible with Asrock® Fatal1ty AB350 Gaming-ITX/ac, Fatal1ty B450 Gaming-ITX/ac, H110 Pro BTC+, H270M-ITX/ac Motherboards - C117 - Walmart.com