MICRON 4GB SERVER DIMM DDR2 PC5300(667) REG ECC 1.8v 2RX4 240P 512MX72 256mX4 CL5 8k MT36HTF51272PZ-667H1
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.