The Fantom Drives GForce 3 3TB External HDD is a high-performance external drive designed for both PC and Mac users. With a storage capacity of 4TB and a rotation speed of 7200 RPM, it offers fast read and write speeds, making it ideal for transferring large amounts of data. The drive features an on/off switch for easy control and is compatible with DVD-R and CD-R writable formats. With a sleek black color and a compact 3.5-inch form factor, this external drive is perfect for those in need of additional storage space for their files. Cannot test.