Enhance your desktop's performance with this Kingston KVR1066D3N7/4G DDR3 SDRAM memory module. It has a total capacity of 4GB with a bus speed of PC3-8500 (DDR3-1066) which ensures faster data transfer rates. This memory module has a form factor of DIMM with 240 pins, making it compatible with most desktop motherboards. The KVR1066D3N7/4G model has been tested and is guaranteed to work flawlessly. Its single module design makes it easy to install and upgrade your computer's memory capacity. This memory module is a great choice for tech-savvy individuals looking to enhance their desktop's performance.