IBM 00D5036 COMP 8GB DDR3-1600MHZ ECC SRX4 RDIMMAddOn 8 GB DDR3 SDRAM Memory Module 8 GB (1 x 8GB) DDR3 1600 PC3 12800 DDR3 SDRAM 1600 MHz Single rank Memory CL11 1. 35 V ECC Registered 240 pin RDIMM Lifetime Warranty VPN: 00D5036 AM SKU: RSC994230 UPC: 821455287446 8 GB bar will run multiple applications together and enhance your computer's performance 1600 MHz of memory speed with Registered signal and CL11 latency skillfully manages the variety of apps and computational tasks 240 pin pin DDR3