Timetec 16GB KIT(4x4GB) Compatible for Apple DDR3 1067MHz / 1066MHz PC3-8500 CL7 Dual Rank for iMac (Late 2009 21.5-inch / 27-inch) SODIMM Memory MAC RAM Upgrade for iMac 10,1 and iMac 11,1 at Amazon.com
CMS 16GB (4X4GB) DDR3 10600 1333MHZ NON ECC SODIMM Memory Ram Compatible with Dell Precision Mobile Workstation Covet M6400 - A28 - Walmart.com
CMS 16GB (4X4GB) DDR2 5300 667MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Dell® Poweredge R300 for Server Only - B50 at Amazon.com
CMS 16GB (4X4GB) DDR2 5300 667MHZ ECC REGISTERED DIMM Memory Ram Compatible with Dell Poweredge T300 Server Ddr2 For Server Only - B50 - Walmart.com
1x16GB vs 2x8GB vs 4x4GB RAM in 2022 | Single vs Dual Channel | 1080P, 1440p and 4K Tests - YouTube