CMS 8GB (2X4GB) DDR3 10600 1333MHZ NON ECC DIMM Memory Ram Upgrade Compatible with HP/Compaq Business Desktop 4000 Pro, 500B, 505B - A69

Computer Memory Solutions guarantees compatibility with models provided in description. Memory Type: Non-ECC DIMM, 240-Pin Speed: DDR3-10600, 1333 MHz 2 Piece Kit Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly from computer memory solutions