HP 605312-071 COMP 4GB DDR3-1333MHZ ECC 1.35V SR RDIMMAddOn 4GB DDR3 SDRAM Memory Module 4 GB (1 x 4GB) DDR3 1333 PC3 10664 DDR3 SDRAM 1333 MHz Single rank Memory CL9 1. 35 V ECC Registered 240 pin DIMM Lifetime Warranty VPN: 605312 071 AM SKU: RSC341363 UPC: 821455579435 4 GB of memory to heighten your computer's performance Up to 1333 MHz memory speed with CL9 latency for remarkable multitasking capability DDR3 1333 PC3 10664 interface multiplexes 2 bit data from memory cell and I O buses to minimize