WD Purple 4TB Surveillance HDD 3.5 Inch 5400RPM 64MB Cache

Features: Designed for monitoring storage, it has an enhanced workload rating that supports systems designed for 24x7 video recording with up to 64 cameras. Adopt Western Digital's exclusive AllFrame technology, so you can confidently create a security system tailored to the needs of your business. AllFrame technology improves ATA streaming, helps to reduce errors, pixelation, and other video interruptions that could happen in a video recording system. 4TB large capacity, can meet the massive storage needs of 4K surveillance video and deep learning analytics. Low consumption, with IntelliSeekTM technology, the hard drive is able to calculate optimum seek speeds. This helps to reduce ambient noise and vibrations. Designed for DVR and NVR security systems, support a wide range of industry-leading enclosures and chipsets, you're sure to find the DVR or NVR configuration that's right for you.