CORSAIR VENGEANCE Performance 32GB (1PK 32GB) 3200MHz DDR4 C22 SODIMM Laptop Memory Black CMSX32GX4M1A3200C22 - Best Buy
OWC 32GB (2x16GB) PC3-12800 DDR3 1600MHz SO-DIMM 204 Pin CL11 Memory Upgrade Kit Compatible with 2015 iMac (OWC1600DDR3S32P) at Amazon.com
A-Tech 32GB Replacement for IBM EM4D - DDR3 1066MHz PC3L-8500R ECC Registered RDIMM 240-Pin 4Rx4 1.35V - Single Server Memory RAM Stick (EM4D-ATC) at Amazon.com
32GB (2x16GB) DDR3-1600MHz PC3-12800 ECC RDIMM 2Rx4 1.35V Registered Server Memory by NEMIX RAM at Amazon.com
EDGE 32GB DDR4 SDRAM Memory Module - PCC-IT International
A-Tech 32GB Replacement for IBM EM4D - DDR3 1066MHz PC3L-8500R ECC Registered RDIMM 240-Pin 4Rx4 1.35V - Single Server Memory RAM Stick (EM4D-ATC) at Amazon.com
Crucial Technology 32GB (2X 16GB) 240-Pin UDIMM DDR3 (PC3-12800) Server Memory Module Kit, CL=11, Unbuffered, 1600 MT/S Speed, Non-ECC, 1.35V, 2048Meg x 64 at Amazon.com
Silicon Power DDR3 16GB (2 x 8GB) 1600MHz (PC3 12800) 240-Pin CL11 1.35V / 1.5V Unbuffered UDIMM PC Computer Desktop Memory Module Ram Upgrade at Amazon.com
A-Tech 32GB Replacement for HP P19043-B21 - DDR4 2933MHz PC4-23400 ECC Registered RDIMM 2Rx4 1.2V - Single Server Memory RAM Stick (P19043-B21-ATC) at Amazon.com