The Super Talent 4GB DDR2 DIMM PC2-6400 240-Pin ECC Fully Buffered RAM T667FB4G40 is a high-quality memory module designed for computers and laptops. With a total capacity of 4GB divided into one module, this RAM offers fast performance with a bus speed of PC2-6400 (DDR2-800). The Memory Features include ECC (Error Correction Code) and Fully Buffered technology, ensuring reliable and stable operation even in demanding computing environments. Perfect for enhancing the speed and efficiency of your system, this DDR2 SDRAM module from Super Talent is a great choice for those looking to boost their system's memory capacity.