Seagate - SkyHawk ST4000VX016 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR)

WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple drives, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive WD AllFrame technology helps reduce frame loss and improve overall video playback.

IronWolf is designed for consumer and commercial NAS. Delivering Tough, Ready and Scalable 24x7 performance in multibay, networked environments.

Because Seagate is a trusted name with over two decades of proven performance and reliability, the BarraCuda 4TB SATA III 6 Gb/s 3.5" Internal HDD is a high-performance hard drive designed to meet all your personal computing needs. This spacious and reliable hard drive is a part of the esteemed BarraCuda family, known for delivering exceptional storage solutions in the hard drive industry for over 20 years.The BarraCuda 4TB SATA III 6 Gb/s 3.5" Internal HDD is equipped with advanced power modes that efficiently conserve energy without compromising on performance. Its SATA 6Gb/s interface ensures optimal burst performance, enhancing your computing experience.One of the standout features of this durable internal hard drive is its Seagate Secure models that provide Self-Encrypting Drive (SED) hardware-based data security. This feature, coupled with an Instant Secure Erase feature, ensures safe, quick, and easy drive retirement. These models meet the NIST 800-88 media sanitization specifications and also support the Trusted Computer Group (TCG) Opal standard.This fast and reliable hard drive is an ideal fit for desktop or all-in-one PCs, home servers, and entry-level direct-attached storage devices (DAS). The BarraCuda 4TB SATA III 6 Gb/s 3.5" Internal HDD offers a versatile mix of capacity and price point options to suit any budget.What sets the BarraCuda family apart is the Multi-Tier Caching Technology (MTC) that all its hard drives come equipped with. MTC enhances your PC's performance to new levels, enabling faster loading of applications and files. By intelligently applying layers of NAND Flash, DRAM, and media cache technologies, the BarraCuda 4TB SATA III 6 Gb/s 3.5" Internal HDD delivers improved read and write performance by optimizing data flow. This makes it a high-performance hard drive that offers a reliable and spacious solution for all your data storage needs.