HP 627814-B21 COMP 32GB DDR3-1066MHZ ECC QRX4 RDIMMAddOn 32 GB DDR3 SDRAM Memory Module For Server 32 GB (1 x 32GB) DDR3 1066 PC3 8500 DDR3 SDRAM 1066 MHz Quad rank Memory CL7 1. 35 V ECC Registered 240 pin RDIMM Lifetime Warranty VPN: 627814 B21 AM SKU: RSC401822 UPC: 821455234181 RDIMM 32 GB of memory to maintain symmetry with processor and hard drive and bring out the ultimate computing experience Up to 1066 MHz memory speed with Registered signal and CL7 latency for remarkable multitasking