This HP® A2Z49AA compatible 4GB DDR3-1600MHz single rank registered ECC 1.5V 240-pin CL11 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.
1600 MHz of memory speed with Registered signal allows you to browse web, listen to songs and use routine software simultaneously
4 GB of memory makes a perfect symmetry with your latest model processor and boosts up your computer's performance
DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate
