DELL SNP9J5WFC/4G COMP 4GB DDR3-1333MHZ ECC 1.35V DR RDIMMAddOn 4GB DDR3 SDRAM Memory Module 4 GB (1 x 4GB) DDR3 1333 PC3 10664 DDR3 SDRAM 1333 MHz Dual rank Memory CL9 1. 35 V ECC Registered 240 pin DIMM Lifetime Warranty VPN: SNP9J5WFC 4G AM SKU: RSC449828 UPC: 821455231203 4 GB memory allows you to have more programs open at a time Up to 1333 MHz memory speed with CL9 latency for remarkable multitasking capability DDR3 1333 PC3 10664 operates at an effective bus speed with minimal power consumption and as