A mid-capacity internal hard drive, this Dell ST3450857SS 450GB Internal Hard Drive is great for someone looking to upgrade their computer. The 450GB capacity means that it holds a lot more data than your smaller hard drives. The 15,000 RPM spindle speed gives your computer the boost that you desire. No more waiting ten minutes for your computer to restart! This hard drive is meant for a personal computer and does not work with an Apple product. Bump up your slow computer with a quick hard drive replacement, don't throw it out or trade it in when you can easily buy this Dell internal hard drive!