The Genuine Ramaxel 4GB UDIMM PC3L-12800U DDR3 1333MHz RAM is a high-quality memory module designed for desktop computers. With a capacity per module of 4GB and a bus speed of PC3L-12800 (DDR3L-1600), this RAM offers fast and reliable performance for enhancing the speed and efficiency of your computer. The DIMM form factor and DDR3 SDRAM type ensure compatibility with a wide range of systems, making it a dependable choice for improving your computer's memory capacity. Comes with free shipping!