The Elpida 4GB SO-DIMM 1600 MHz PC3L-12800 DDR3 Memory is a reliable and high-quality memory module designed for computers. With a capacity of 4GB and a bus speed of PC3L-12800S (DDR3-1600), this module is perfect for boosting the performance of your system. It features ECC memory, ensuring data accuracy and reliability. The lifetime manufacturer warranty guarantees that you will receive support and replacement if needed. The compact SO-DIMM form factor makes it easy to install in laptops and other devices, providing a hassle-free upgrade experience. Comes with free shipping!