The WD101EJRP is a robust and high-capacity hard disk drive (HDD) released by WD, under its acclaimed Purple series. Designed with a focus on surveillance and security systems, this 10TB HDD offers ample storage for continuous 24/7 video recording. Operating on a SATA 6Gb/s interface, it ensures fast data transfer rates suitable for modern surveillance setups. The drive's 3.5" form factor makes it compatible with most desktops and DVR systems. Its 256MB cache size is optimized for writing-intensive tasks, reducing video frame loss and ensuring smooth playback. The Purple series drives are engineered to handle the demands of always-on recording environments, featuring AllFrame technology that enhances ATA streaming to reduce errors and frame loss. The WD101EJRP is a perfect choice for those needing reliable, large-capacity storage for their surveillance system, offering durability and performance.