Seagate IronWolf 4TB NAS HDD ST4000VN008 | 3.5-inch, 6 Gb/s, 256 MB

Built for network-attached storage, the Seagate IronWolf 4 TB hard drive gives small and mid-sized NAS systems the capacity and consistency they need to stay productive. Its SATA 6 Gb/s interface and 256 MB cache support steady data access across shared folders, backup repositories, and media libraries, while the 3.5-inch internal design fits standard NAS bays. IronWolf drives are positioned for always-on environments, where drive behavior matters as much as raw capacity. Compared with desktop drives, this class is intended to handle the vibration and workload patterns common in multi-drive enclosures. That makes it a practical choice for teams that want reliable shared storage without stepping up to enterprise SAS pricing. At 4 TB, it offers a balanced capacity point for file services, surveillance archives, and backup targets. For buyers evaluating total cost of ownership, this model earns its place by pairing NAS-focused tuning with a familiar SATA deployment model. It is a straightforward upgrade path when you need storage that stays available, scales cleanly, and fits the economics of a growing NAS environment.