The Western Digital WD75DA 7.5 GB IDE HDD is a reliable internal desktop drive that offers a storage capacity of 7.5 GB. With a rotation speed of 5400 RPM and a cache size of 2 MB, this hard drive provides fast read and write speeds. The drive is compatible with PCs and RETRO computers. It is designed in a 3.5-inch form factor, making it suitable for desktop systems. It features "time machine compatibility" and is part of the Spartan product line, known for its quality and performance. Tested with MiniToll Partition Wizard and Seatools testing software. No errors reported during surface, read/write, and S.M.A.R.T. tests. This Western Digital hard drive is a dependable choice for storage needs and is in excellent working condition.