HP 664693-001 COMP 32GB DDR3-1333MHZ ECC CL9 QR LRDIMMAddOn 32GB DDR3 SDRAM Memory Module 32 GB (1 x 32GB) DDR3 1333 PC3 10664 DDR3 SDRAM 1333 MHz Quad rank Memory CL9 1. 35 V ECC 240 pin LRDIMM Lifetime Warranty VPN: 664693 001 AM SKU: RSC197171 UPC: 821455323786 32 GB of memory to maintain symmetry with processor and hard drive and bring out the ultimate computing experience Up to 1333 MHz memory speed with CL9 latency for remarkable multitasking capability 240 pin pin DDR3 SDRAM interface multiplexes