The 661263_4GB_256Mx8_16C DDR3 module by Elpida is designed to enhance laptop performance with its DDR3-1333 512Mx64 SODIMM (4GB) specification. Engineered to fit in a compact 204-pin SODIMM form factor, it's perfectly suited for portable applications where space is at a premium. Operating at a frequency of 1333MHz ensures efficient data throughput, keeping your applications running smoothly without lag. With a dense configuration of 256Mx8 spread over 16 chips, this memory module is capable of handling multiple programs and processes simultaneously, making it an ideal upgrade for users seeking improved computing experience on their laptops. Manufactured by Elpida, a name known for its quality and reliability in the semiconductor industry, and distributed on third-party terms, this module represents a blend of performance, reliability, and value, making it a popular choice among users looking to enhance their system's memory without compromising on quality.