ACP-EP Memory 256MB PC133 168-PIN SDRAM DIMM (MAC and PC) at Amazon.com
G.Skill Trident Z NEO Series 32GB (2 x 16GB) 288-Pin SDRAM PC4-28800 DDR4 3600 CL18-22-22-42 1.35V Dual Channel Desktop Memory Model F4-3600C18D-32GTZN at Amazon.com
Kingston H. Corporation Non-ECC CL2.5 DIMM (Kit of 2) Desktop Memory 1 Dual Channel Kit 333 MHz (PC 2700) 184-Pin DDR SDRAM KVR333X64C25K2/1G at Amazon .com