Tech
Seagate BarraCuda 4TB 3.5-Inch Hard Drive (ST4000DM005): specs and uses
The Seagate BarraCuda 4TB ST4000DM005 is a 7200 RPM SATA 6Gb/s 3.5-inch hard drive with 256MB cache for desktops and home servers. What the specs mean.
Home / Product overviews / Tech / Computers & Accessories
Internal Hard Drives
25 product overviews: what each product is, the features that matter and what to check before you buy.
Tech
Seagate Barracuda ST2000DM008 2TB internal hard drive: specs explained
A 2TB, 3.5-inch, 7200 RPM SATA hard drive with a 256MB cache and a 220MB/s maximum sustained read rate. What the specifications mean and what to check.
Tech
Seagate Enterprise Capacity 6TB HDD ST6000NM0024: specs and who it suits
A 6TB 3.5-inch enterprise hard drive with 7,200 RPM spin speed and 128MB cache. What the specs mean and how to confirm the interface before installing.
Tech
Seagate Exos X14 12TB (ST12000NM0008): features, specs and who it suits
A 12 TB, 7200 RPM, helium-sealed 3.5-inch SATA enterprise hard drive from Seagate with a 256 MB cache. What its specifications mean and what to check.
Tech
Seagate IronWolf 12TB NAS Hard Drive (ST12000VNZ008): specs and fit
The Seagate IronWolf 12TB is a 3.5-inch CMR SATA hard drive built for NAS enclosures of up to 8 bays. What CMR, 7200 RPM and IronWolf Health Management mean.
Tech
Seagate IronWolf Pro 12TB NAS Hard Drive: features, specs and who it suits
A 12TB 3.5-inch CMR SATA hard drive built for multi-bay NAS and RAID, with 7,200 RPM, 256 MB cache and a five-year warranty. What the specs mean.
Tech
Seagate IronWolf Pro 2TB NAS Hard Drive (ST2000NT001): specs and uses
The Seagate IronWolf Pro 2TB ST2000NT001 is a 7200 RPM CMR NAS hard drive with 256MB cache, 550TB/year workload limit and health management.
Tech
Seagate IronWolf Pro ST16000NE000 16TB 3.5-Inch SATA Hard Drive
A 16TB 3.5-inch SATA internal hard drive from Seagate's IronWolf Pro line, aimed at network storage. What capacity and SATA mean in practice.
Tech
Seagate SkyHawk AI 12TB surveillance hard drive: specs and what they mean
A 12TB 3.5-inch SATA hard drive built for AI-enabled NVR and DVR systems running around the clock. What the workload and reliability figures mean.
Tech
Seagate SkyHawk ST2000VX008 2TB Surveillance Hard Drive: what it is for
The Seagate SkyHawk ST2000VX008 is a 2TB 3.5-inch SATA hard drive with 64MB cache, made for surveillance recorders. What that means and what to check.
Tech
WD Black 10TB 3.5-inch Performance Hard Drive: specs and who it suits
The WD Black 10TB (WD101FZBX) is a 3.5-inch internal hard drive with 7200 RPM, SATA 6 Gb/s and 256 MB cache. What the specs mean for a desktop PC.
Tech
WD_BLACK 4TB WD4005FZBX Performance Hard Drive: specs and who it suits
A 4TB 3.5-inch SATA hard drive with 7200 RPM and 256MB cache, made for desktops. What the specs mean, how it pairs with an SSD, and what to check first.
Tech
WD Blue 1TB WD10EZEX 3.5-inch Hard Drive: specs and who it suits
A 1TB 3.5-inch SATA hard drive from Western Digital, spinning at 7200 RPM with a 64 MB cache, made for desktop PCs and office use. What the specs mean.
Tech
WD Blue 4TB WD40EZRZ internal hard drive: specs and who it suits
A 4TB 3.5-inch SATA hard drive running at 5400 RPM with a 64 MB cache, aimed at desktop PCs and office use. What the specs mean and what to check first.
Tech
WD Purple 2TB Surveillance Hard Drive WD20PURZ: features and who it suits
The WD Purple 2TB WD20PURZ is a 3.5-inch SATA drive made for always-on security recorders. What AllFrame and the 64-camera figure mean, and what to check.
Tech
WD Purple 4TB Surveillance Hard Drive WD43PURZ: features and who it suits
The WD Purple 4TB WD43PURZ is a 3.5-inch SATA drive built for 24/7 recording in security systems. What AllFrame, workload figures and bay support mean in practice.
Tech
WD Purple 6TB WD60PURZ Surveillance Hard Drive: specs and who it suits
A 6TB 3.5-inch SATA hard drive from Western Digital built for always-on recording in DVR and NVR security systems. What AllFrame and the camera limit mean.
Tech
WD Purple Pro 18TB Surveillance Hard Drive (WD181PURP): specs and fit
The WD Purple Pro 18TB is a 3.5-inch SATA hard drive for AI-enabled video recorders, with 512MB cache and a 550TB/yr workload limit. What the specs mean.
Tech
WD Red Plus 10TB WD101EFBX NAS hard drive: features, specs and uses
A 10TB 3.5-inch, 7200 RPM CMR hard drive from Western Digital built for NAS systems of up to eight bays. What the specs mean and what to check first.
Tech
WD Red Plus 14TB NAS Hard Drive (WD140EFGX): features, specs and who it suits
The Western Digital WD Red Plus 14TB is a 3.5-inch, 7200 RPM CMR hard drive built for NAS systems of up to 8 bays. What its specs mean for home and small offices.
Tech
WD Red Plus 1TB 2.5-inch NAS Hard Drive WD10JFCX: specs and who it suits
The WD Red Plus 1TB WD10JFCX is a 2.5-inch, 5400 RPM, CMR hard drive made for NAS systems of up to 8 bays. What CMR, NASware and workload rate mean.
Tech
WD Red Pro 16TB NAS Hard Drive (WD161KFGX): features, specs and who it suits
A 16TB, 7200 RPM 3.5-inch SATA hard drive from Western Digital, built for RAID NAS systems running around the clock. What CMR, workload limit and cache mean.
Tech
Western Digital WD Blue 4TB Hard Drive (WD40EZAX): specs and who it suits
A 4TB 3.5-inch internal hard drive with 5400 RPM, 256 MB cache and SATA 6 Gb/s. What the specs mean, how it differs from an SSD and what to check.
Tech
Western Digital WD Gold 4TB WD4003FRYZ Enterprise Hard Drive: specs and fit
A 4TB 7200 RPM enterprise-class SATA hard drive with a 256MB cache, rated for workloads up to 550TB a year. What the specs mean and what to check first.
Tech
Western Digital WD Red Pro 4TB NAS Hard Drive: features, specs and who it suits
The WD Red Pro 4TB (WD4003FFBX) is a 3.5-inch, 7200 RPM CMR hard drive built for multi-bay NAS systems. What its specs mean for RAID and always-on use.