FUJITSU S26361-F3389-L425 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: S26361 F3389 L425 AM SKU: RSC436533 UPC: 195285061225 4 GB memory allows you to have more programs open at a time 2133 MHz of memory speed skillfully manages the variety of apps and computational tasks 288 pin pin DDR4 SDRAM interface multiplexes 2 bit data from memory cell and I O