The SK Hynix 4GB 1RX8 PC3L-12800S-11-13-B4 Laptop Memory RAM is a high-quality memory module designed for laptops. With a total capacity of 4GB and a bus speed of PC3-12800 (DDR3-1600), this DDR3 SDRAM module offers fast and efficient performance. Its SO-DIMM form factor makes it compatible with a wide range of laptop models, and its ECC memory feature ensures reliable data processing. Upgrade your laptop's memory capacity with this reliable and efficient SK Hynix memory module.