AddOn 8GB DDR3 SDRAM Memory Module - 8 GB DDR3 SDRAM - 1600 MHz - 1.35 V - ECC - Unbuffered - 240-pin - UDIMM - Lifetime Warranty

HP® 713752-081 Compatible Factory Original 8GB DDR3-1600MHz Unbuffered ECC Dual Rank x8 1.35V 240-pin UDIMM