AddOn 4GB DDR3 SDRAM Memory Module

This Industry Standard 4GB DDR3-1600MHz single rank unbuffered ECC 1.5V 240-pin CL11 factory original UDIMM 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.