HP E2Q93AA COMP 8GB DDR3-1866MHZ ECC DRX8 UDIMMAddOn 8 GB DDR3 SDRAM Memory Module 8 GB (1 x 8GB) DDR3 1866 PC3 14900 DDR3 SDRAM 1866 MHz Dual rank Memory CL13 1. 50 V ECC Unbuffered 240 pin UDIMM Lifetime Warranty VPN: E2Q93AA AM SKU: RSC252805 UPC: 821455324448 Editing high resolution pictures, rendering 3D graphics and playing the latest games is not a big deal with 8 GB of memory that effortlessly manages them 1866 MHz memory speed with Unbuffered signal and CL13 latency for great multitasking