This IBM 00D5048 compatible 16GB DDR3-1866MHz dual rank registered ECC 1.5V 240-pin CL13 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time. All of our server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung, Micron, or Hynix). Our products are also guaranteed by federal law to not affect or void OEM warranties.

• Editing high-resolution pictures, rendering 3D graphics and playing the latest games is not a big deal with 16 GB of memory that effortlessly manages them
• DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance
• No matter how heavy and numerous the applications that you are using, 1866 MHz memory speed with CL13 latency will run them smoothly