Upgrade your computer's memory with this high-quality 1GB DDR2 SDRAM from PQI. With a bus speed of DDR2 800 (PC2 6400), your computer will run faster and more smoothly. The module has a form factor of DIMM and 240 pins, making it compatible with a wide variety of computers. This unbuffered memory module is perfect for those who need to increase their computer's speed and performance. The module has a total capacity of 1GB, with 1GB per module. With this high-quality memory module, you can ensure that your computer runs smoothly and efficiently.