The MT8KTF51264HZ-1G6E1 OEM Micron laptop memory is a 4GB DDR3 SDRAM module with a bus speed of PC3-12800 (DDR3-1600). It is designed in a SO-DIMM form factor and has ECC memory features. This memory module is ideal for improving the performance and efficiency of laptops in various computing tasks. Made in the United States by Micron, this RAM is reliable and high-quality for enhancing the speed and responsiveness of your system.