The Samsung 4GB (1x4GB) PC3-12800 DDR3-1600 Memory (M471B5173EB0-YK0) is a high-quality RAM module designed for optimal performance in computers and laptops. With a total capacity of 4GB and a speed of DDR3-1600, this memory module is reliable and efficient for enhancing the speed and responsiveness of your system. The SO-DIMM form factor and 204 pins make it a versatile choice for various devices, while the ECC memory feature ensures error correction for added reliability. Upgrade your computer's memory with this tested and trusted Samsung module to improve your overall computing experience.