Which external hard drive offers the largest storage capacity at a reasonable price?
| Product ⇅ | Price ⇅ | Storage Capacity (TB) ⇅ | Interface Type ⇅ | Transfer Speed (MB/s) ⇅ | Dimensions (mm x mm x mm) ⇅ | Weight (g) ⇅ | Power Supply ⇅ | Warranty (years) ⇅ |
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Western Digital WD Ultrastar DC HC680 28TB WD2820KK (external-ready)
US
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£745.14 ≈ | 28TB | SATA | Up to 265 MB/s | — | — | — | 5 years |
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The Ultrastar DC HC680 is a 3.5in 28TB enterprise data-center HDD using SMR, 7200 RPM, OptiNAND and HelioSeal for very high capacity and improved efficiency; it's designed for cloud and hyperscale storage where high density and low cost per TB matter. It suits deployments that can tolerate SMR characteristics and require large, power-efficient archival storage. ★ Ideal forIdeal for buyers seeking the largest external-capacity drive at a reasonable price because it offers 28TB capacity and enterprise power efficiency (28TB, 7200 RPM, up to 265 MB/s).
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Seagate Expansion External Desktop Drive 28TB STKP28000400
US
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£633.38 ≈ | 28 TB | USB 3.0 (USB-C cable included) | — | 178.75 mm x 41.90 mm | 1176 g | External power adapter (included) | 1 year limited warranty |
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The Seagate Expansion 28TB STKP28000400 is a high-capacity desktop external HDD with USB 3.0 connectivity and an external power adapter, designed for large media libraries, backups, and bulk storage. It offers plug-and-play setup for Windows and macOS and includes Rescue Data Recovery Services and a limited warranty. ★ Ideal forIdeal for users seeking the largest single-drive external capacity at a reasonable price because it provides 28 TB of storage with USB 3.0 connectivity and an external power adapter. |
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Seagate Seagate Exos X30 External 30TB ST30000NM003G
US
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£894.18 ≈ | 30TB | SATA 6 Gb/s | 275 MB/s | 147.00mm x 101.85mm x 26.10mm | — | — | 5-Year |
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The Seagate Exos X30 30TB is an enterprise-class, high-density 3.5 in HDD using HAMR/Mozaic technology to deliver very large single-drive capacity with 7200 RPM performance and a 512MB cache. It targets data centers and heavy-duty storage arrays where maximizing capacity per bay and sustained transfer rates matter. It includes enterprise features like Seagate Secure and a five-year warranty. ★ Ideal forIdeal for this question because it offers the largest single-drive capacity at 30TB with sustained transfer speeds around 275 MB/s and enterprise reliability, giving maximum storage per drive at a competitive enterprise price. |
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