The Seagate Desktop 3TB USB 3.0 Model SRD0SD0 is a black external hard drive that is compatible with PCs. It has a rotation speed of 5400 RPM and offers Blu-ray BD-R writable format. With a storage capacity of 3TB and a read speed of 500MB/s, this desktop external HDD is ideal for expanding storage on your computer. It also comes with a 1-year manufacturer warranty and operates at a maximum fan speed of 3700 RPM for efficient cooling.