The Western Digital Purple 4TB Internal Hard Drive is tailored for surveillance applications, offering reliable storage for critical video footage. With a spacious 4TB capacity and a standard 3.5-inch form factor, it provides ample room for recording surveillance data. Its SATA 6Gb/s interface and 5400 RPM speed ensure smooth data transfer rates, while the large 256MB buffer enhances overall performance. Featuring a transfer rate of 180MB/s, it efficiently handles high-definition video streams. Designed for continuous operation, it consumes 15W of power, making it suitable for 24/7 surveillance systems. With a sleek silver design and dimensions of 147.066 x 101.6 x 26.162mm, it fits seamlessly into surveillance setups. Weighing 0.571kg, it's sturdy yet lightweight. The WD Purple 4TB HDD is backed by a 2-year warranty and is made in Thailand/Malaysia with components from the USA, ensuring quality and reliability for surveillance applications.