The Samsung 4GB 1Rx16 PC4-2400T-SCO-11 SODIMM Laptop Memory is a single DDR4 SDRAM module with a capacity of 4GB. This memory module is designed for laptops and is made by the reputable brand Samsung. With a bus speed of PC4-2400T, it offers fast and reliable performance for improving the speed and efficiency of your computer. Made in China, this memory module is a quality product that can enhance your computing experience for tasks such as gaming, graphic design, and everyday use.