Corsair Vengeance LPX 32GB (2x16GB) DDR4 DRAM 2400MHz (PC4-19200) C14 Memory Kit - Black (CMK32GX4M2A2400C14)
32GB (2x16GB) DDR4-2400MHz PC4-19200 ECC RDIMM 2Rx4 1.2V Registered Server Memory by NEMIX RAM at Amazon.com
Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else
32GB (1x32GB) DDR4-2400MHz PC4-19200 ECC RDIMM 2Rx4 1.2V Registered Server Memory by NEMIX RAM at Amazon.com