The WD Black P10 4TB External 2.5 inch Hard Drive is a high-performance storage solution designed for laptops. With a USB 3.0 interface and a rotation speed of 5400 RPM, this hard drive offers fast data transfer rates of up to 550 Mbps. The sleek black color and compact 2.5 inch form factor make it a versatile option for expanding storage capacity on the go. this Western Digital product ensures reliable performance and durability for your storage needs.