Desktop drives aren't typically tested or designed for the rigours of a NAS system. Do right by your NAS and choose the drive with an array of features to help preserve your data and maintain optimum performance. The 3TB WD Red drives with NASware 3.0 technology are purpose-built to balance performance and reliability in NAS and RAID environments. The always-on environment of a NAS or RAID is a hot one. WD Red drives are engineered to run cool and quiet while offering optimum compatibility for demanding 24x7 environments. Stream, backup, organize and effortlessly share your digital content to your TV, PC and more. NASware technology increases your drives' compatibility with your NAS system, for better playback with your devices. Businesses thrive on productivity and efficiency, two guiding principles built into the design of the WD Red drive. Share and backup files at the speed of your business with a WD Red drive in your NAS. Helps to ensure your data is protected from excessive vibration and noise in a NAS or RAID environment. This dual-plane balance control maintains your drive's performance over time. Form factor: 3.5 inches. Cache size: 256 MB.