<ul><li>Computer Memory Solutions guarantees compatibility with models provided in description.</li><li>Memory Type: Non-ECC DIMM, 240-Pin</li><li>Speed: DDR3-12800, 1600 MHz</li><li>1 Piece Kit</li><li>Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly from computer memory solutions</li></ul><br><br>4GB Total memory using 1pc of 4GB 12800MHz Module 240pin dimm DDR3 1600 Lifetime warranty for exchange. by Computer Memory solutions Brand Computer Memory solutions We don't use OEM or Generic modules to avoid incompatibility issues. Guaranteed to work or you get all of your money back including shipping. Expansion: 4 Sockets Maximun Memory: 32GB Compatible with Dell Optiplex XE2 If 4GB is installed, the recognized memory may be reduced to 3.5GB or less (depending on system configuration and memory allocation). Maximum configurations require a 64-bit operating system.

CMS 4GB (1X4GB) DDR3 12800 1600MHz Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Optiplex XE2 - A73