This CCTV DVR Hard Disk - 1T GB hard drive is a solid device, ideal for giving you copious amounts of free storage capacity. It's also speedy and well-designed. This 1TB hard drive is a good device for replacing an out-dated or damaged drive. Do-it-your selfe and hardware enthusiasts are impressed by the functionality and speed of the HD. The HD enables you to save lots of applications, games, and documents very rapidly with its lightning-fast 5900 RPM speed. Since this internal 3.5-inch hard drive includes an 8 MB buffer, you can eke out faster access times when analyzing information, backup up your system, or copying files. Thanks to sturdy construction, this 1TB hard drive is highly durable, which means you are able to enjoy the benefits of long-lived glitch-free up-time without problems from disk crashes or component failures.This internal hard drive is a breeze to install, allowing you to simply use it in systems supporting SATA I and SATA II interfaces. In addition, you can save all your cherished uploaded digital photos, software packages, and high-definition videos without difficulty as the 1TB HD has sufficient storage capacity.