DELL A4051426 COMP 16GB DDR3-1066MHZ ECC QRX4 RDIMMAddOn 16GB DDR3 SDRAM Memory Module 16 GB (1 x 16GB) DDR3 1066 PC3 8500 DDR3 SDRAM 1066 MHz Quad rank Memory CL7 1. 50 V ECC Registered 240 pin DIMM Lifetime Warranty VPN: A4051426 AM SKU: RSC966820 UPC: 821455323373 Whether you are playing games, using heavy loaded OS or video editing software, the 16 GB of memory will make them run in a flash Up to 1066 MHz memory speed for remarkable multitasking capability DDR3 SDRAM interface synchronizes