AddOn AM1866D3SR8RN/4G x1 Lenovo 4X70F28585 Compatible Factory Original 4GB DDR3-1866MHz Registered ECC Single Rank x8 1.5V 240-pin CL13 RDIMM

This Lenovo 4X70F28585 compatible 4GB DDR3-1866MHz single 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.

• DIMM 4 GB of memory to refine your computer's performance
• 240-pin-pin DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate
• Up to 1866 MHz speed with Registered signal for smooth computer performance