The Hynix 2GB PC3L-12800S DDR3 1600MHz 204pin Laptop Memory HMT425S6AFR6A-PB is a single module of DDR3 SDRAM memory designed for laptops. With a total capacity of 2GB and a bus speed of PC3-12800 (DDR3-1600), this memory module is suitable for Apple laptops and offers reliable performance for your computing needs. The compact SO-DIMM form factor and 204 pins make it easy to install and compatible with a wide range of laptop models. Upgrade your system with this high-quality Hynix memory module for improved speed and efficiency.