This Dell A7187321 compatible 32GB DDR3-1866MHz quad rank load-reduced ECC 1.5V 240-pin CL13 factory original LRDIMM 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.

• LRDIMM 32 GB of memory to maintain symmetry with processor and hard drive and bring out the ultimate computing experience
• DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate
• Up to 1866 MHz speed for playing the latest games and using heavy software