AddOn 32GB DDR3 SDRAM Memory Module - 32 GB DDR3 SDRAM - 1333 MHz - 1.35 V - ECC - Registered - 240-pin - RDIMM - Lifetime Warranty

HP® A0R61A Compatible Factory Original 32GB DDR3-1333MHz Registered ECC Quad Rank x4 1.35V 240-pin RDIMM