CMS 4GB (1X4GB) DDR3 12800 1600MHz NON ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq® Compaq Pro 6305 Small Form Factor Business Pc - A72 - Walmart.com
Lot of 16 KTL-TC316/4G Kingston 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered - OregonRecycles.com