32GB DDR4 3200MHz DIMM PC4-25600 UDIMM Non-ECC CL22 2Rx8 1.2V 288-Pin Desktop PC RAM Memory Module M378A4G43AB2-CWE at Amazon.com
A-Tech 32GB RAM Kit for Lenovo ThinkStation P350 SFF Small Form Factor (4 x 8GB) DDR4 3200 MHz PC4-25600 ECC Unbuffered UDIMM 288-Pin 1Rx8 Single Rank Server Memory Upgrade at Amazon.com
Crucial Ballistix 3200 MHz DDR4 DRAM Desktop Gaming Memory Kit 32GB (16GBx2) CL16 BL2K16G32C16U4B (Black) at Amazon.com