The Elixir 1GB PC2-5300S DDR2 SO-DIMM M2N1G64TU8HA2B-3C 667Mhz laptop memory is a reliable and high-quality RAM module designed for use in laptops. With a total capacity of 1GB and a bus speed of PC2-5300S, this memory module offers fast and efficient performance for your computer system. It features ECC memory technology for added error correction and data integrity. Backed by a lifetime warranty, this DDR2 SDRAM module from Elixir ensures long-lasting reliability and peace of mind for your computing needs.