Samsung 4GB (2x2GB) DDR2 DIMM PC2-6400U 240-Pin M378T5663QZ3-CF7The Samsung 4GB DDR2 DIMM PC2-6400U memory module set is designed for high performance in computers that use DDR2 memory. Each module has a capacity of 2GB, providing a total capacity of 4GB for the set. With a bus speed of PC2-6400 (DDR2-800), this memory is suitable for demanding tasks such as gaming, graphic design, and multitasking. The unbuffered design and 240-pin interface ensure reliable operation, while the compact DIMM form factor makes installation easy. Made by Samsung, a trusted brand in memory technology, this module set is a reliable choice for upgrading your computer's memory capacity.