IBM 46C0599 COMP 16GB DDR3-1333MHZ ECC DRX4 RDIMMAddOn 16 GB DDR3 SDRAM Memory Module For Server 16 GB (1 x 16GB) DDR3 1333 PC3 10600 DDR3 SDRAM 1333 MHz Dual rank Memory CL9 1. 35 V ECC Registered 240 pin RDIMM Lifetime Warranty VPN: 46C0599 AM SKU: RSC947902 UPC: 821455233955 RDIMM 16 GB of memory can produce approx. 10K MIPS and as a result, your system gets more room to run complex apps. Up to 1333 MHz memory speed with Registered signal to manage your routine softwares with pace and accuracy