Only used to test on a laptop practically brand new. Selling individually or purchase as twoThe Crucial 8GB DDR5-5600 SODIMM Notebook Memory CT8G56C46S5 is a high-quality memory module designed for notebooks. It features a total capacity of 8GB, with each module offering a capacity of 8GB. Manufactured by Crucial in Taiwan, this DDR5 memory module is a reliable choice for enhancing the performance of your computer. Perfect for upgrading your system with a single module, this memory module is a great option for improving the speed and efficiency of your notebook.