AddOn 4GB Industry Standard Factory Original UDIMM - DDR3 - module - 4 GB -

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