哪款外置硬盘在价格合理的前提下提供最大的存储容量？
| 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. ★ 适合人群Ideal 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（随附 USB-C 数据线） | — | 178.75 mm x 41.90 mm | 1176 g | 外置电源适配器（随附） | 1 年有限保修 |
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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. ★ 适合人群适合寻求单盘最大外置容量且价格合理的用户，因为它提供 28 TB 存储、USB 3.0 连接和外置电源适配器。 |
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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年 |
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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. ★ 适合人群适合需要最大单盘容量（30TB）、约 275 MB/s 持续传输速率和企业级可靠性的应用场景，可在每盘位获得最大存储量且具备有竞争力的企业定价。 |
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