The WD Black SN7100 4TB NVMe SSD PCIe Gen4 M.2 2280 WDS400T4X0E is a high-performance internal SSD designed for use with laptops, PCs, and Macs. With a sleek black color and a compact M.2 2280 form factor, this SSD offers fast read and write speeds of up to 7000MB/s and 6700MB/s respectively. It is equipped with features such as temperature sensor, shock resistance, low noise level, and RoHS compliance for reliable storage. This SSD, with a storage capacity of 4TB, is a top choice for those looking for high-speed storage solutions for their devices.