This Hynix FB-DIMM DDR2 module has a total capacity of 1 GB, with a bus speed of PC2-5300 (DDR2-667). It features fully buffered memory and has 240 pins, making it a great choice for your computer needs. The module is compatible with various units and has a model number of MT18HTF12872FDY-667D5D3. Upgrade your computer's memory with this high-quality unit.