MICRON 2GB SERVER DIMM DDR3 PC8500 (1066) UNBUF ECC 1.5 v 2RX8 240P 256MX72 128mX8 CL7 8k MT18JSF25672AZ-1G1F1 Buying memory can be tricky. This module is typically is used in servers. If you are not sure if this is the correct part for your system, contact the seller. Provide the the make, model and/or service tag of your system or mother board, or the part number from your current RAM can be used to help verify compatible memory.