The Patriots Memory 4GB 2-2GB Module Kit PC2-5300 DDR2 is a reliable memory upgrade for your computer. This kit includes two 2GB DDR2 SODIMM modules with a total capacity of 4GB, perfect for boosting your system's performance. The modules are designed with a form factor of DIMM and have a bus speed of PC2-5300 (DDR2-667). With the Patriots brand name, you can trust that this memory kit is of high quality and will be compatible with your computer's memory slots.