If you are looking to buy a high-capacity internal hard drive for your laptop, then the IBM 81Y9650 is a great option. Featuring an SAS interface, this IBM 900 GB hard drive facilitates transferring of data at the rate of 600 MBps. Plus, as the 2.5-inch IBM 81Y9650 internal hard drive comes with a storage capacity of 900 GB, you can store all your favorite movies, business documents, and other media content with ease. Featuring a spindle speed of 10000 RPM, this IBM 900 GB hard drive executes read and write operations with ease. That's not all, with an average latency of 3 ms, this IBM 900 GB hard drive guarantees fast loading and high-operational speed.