The APACER 4GB SOD PC3-12800 CL11 SODIMM Laptop Memory is a high-quality DDR3 SDRAM module designed for laptops. With a total capacity of 4GB and a bus speed of PC3-12800 (DDR3-1600), this memory module offers fast and efficient performance for your computing needs. The SO-DIMM form factor and 204 pins make it compatible with a wide range of laptop models. Additionally, the non-buffered memory feature ensures reliable data transfer and processing. Upgrade your laptop's memory capacity with this reliable and high-performing Apacer module.