8GB DDR4-2400-MHZ RDIMM PC4-19200/SINGLE RANK REMANUFACTURECisco 8GB DDR4 SDRAM Memory Module 8 GB DDR4 2400 PC4 19200 DDR4 SDRAM 2400 MHz 1. 20 V ECC Registered 288 pin DIMM 3 Year Warranty VPN: UCS MR 1X081RVA RF SKU: RSC501383 UPC: 8 GB bar will run multiple applications together and enhance your computer's performance 2400 MHz memory speed with Registered signal for great multitasking capability 288 pin pin DDR4 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate