The Mecer 4GB PC1600 240-Pin DDR3 Module is a high-performance desktop memory upgrade designed for smoother multitasking and enhanced system responsiveness. Operating at 1600 MHz (PC3-12800) with CL11 latency, it delivers reliable speed and efficiency for everyday computing, office applications, and light gaming. This unbuffered, non-ECC DIMM is compatible with most DDR3 desktop motherboards, making it an excellent choice for boosting overall system performance.