DELL CPA-Y8R2G COMP 4GB DDR4-2133MHZ ECC SRX8 RDIMMAddOn 4 GB DDR4 SDRAM Memory Module 4 GB (1 x 4GB) DDR4 2133 PC4 17000 DDR4 SDRAM 2133 MHz Single rank Memory 1. 20 V ECC Registered 288 pin RDIMM Lifetime Warranty VPN: CPA Y8R2G AM SKU: RSC939011 UPC: 195285053183 4 GB memory allows you to have more programs open at a time 2133 MHz memory speed for great multitasking capability DDR4 2133 PC4 17000 interface multiplexes 2 bit data from memory cell and I O buses to minimize processor idle time and