The Apacer AS04GFA60CATBGJ is a 4 GB DDR3 SDRAM memory module designed specifically to enhance the performance of compatible laptops. Operating at a frequency of 1600 MHz with a nominal speed of PC3-12800, this 204-pin SO-DIMM provides a reliable boost for multitasking and general computing tasks. This unbuffered, non-ECC module is built for efficiency, utilizing a low voltage of 1.35V to help manage power consumption and heat within your device. With a CAS latency of CL11 and a 512x8 organization, it ensures stable data processing and is fully RoHS compliant, making it a safe and dependable choice for users looking to maintain or upgrade their portable computer's memory.