The Patriot PSD28G800SK 4GB PC2-6400 DDR2-800 CL6 200-Pin SO-DIMM Laptop Memory RAM is a high-quality memory module designed for laptops. With a total capacity of 8GB spread across one module, it offers fast bus speed and reliable performance. The DDR2 SODIMM form factor and 200 pins make it compatible with a wide range of laptop models. Its non-ECC unbuffered memory features ensure stability and efficient data processing for enhanced overall system speed and responsiveness. Ideal for users looking to upgrade their laptop's memory capacity, the Patriot PSD28G800SK is a dependable choice for improved performance.