我們接受加密貨幣付款 — 讓您持有的幣種也能買到真正的硬體設備。以加密貨幣付款，直接購入真正的硬體設備。 全球訂單滿 US$399，即享免費保險運送。簡約外箱，不印任何品牌標誌，從德國出貨。訂單滿 US$399，即享免費保險運送。 結帳一開始，您的匯率即鎖定 30 分鐘。匯率鎖定 30 分鐘。 每件商品皆原廠密封、序號經過核對，並享有 24 個月保固。原廠密封，保固 24 個月。

追蹤清單 登入
Silver rectangular 3.5 inch bare hard drive with exposed circuit board

HGST

HGST Deskstar 7K4000 0F14681 4TB 7200 RPM 64MB SATA 6.0Gb/s 3.5" internal hard drive

SKU CH-DTFY-8PMM6 MPN 0F14681

4 TB desktop hard drive spins at 7200 RPM with 64 MB cache over SATA 6.0Gb/s

  • PackagingBare Drive
  • InterfaceSATA 6.0Gb/s
  • Capacity4TB
  • RPM7200 RPM
  • Cache64MB
  • UsageFor Daily Computing
  • 4TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers responsive file access
  • 64MB cache buffers bursts for smoother throughput
  • SATA 6.0Gb/s interface connects to modern desktop motherboards
  • 5 inch form factor fits standard drive bays

Deskstar 7K4000 4TB desktop storage

The HGST Deskstar 7K4000 delivers 4TB of capacity on a 3.5-inch form factor for daily computing workloads. It spins at 7200 RPM with a 64MB cache to handle general-purpose read and write tasks. The bare-drive packaging suits system builders integrating the drive into a desktop chassis.

SATA 6.0Gb/s interface limits

The drive connects through a SATA 6.0Gb/s interface, which caps sustained throughput well below the speeds of modern solid-state storage. Mechanical latency remains inherent to the 7200 RPM platters, so random access times are higher than flash-based alternatives. The 64MB cache helps buffer bursts but cannot eliminate rotational delay.

Upgrading from smaller mechanical drives

Replacing a lower-capacity 7200 RPM desktop drive with this 4TB model adds space without changing the power or cabling requirements. The jump is worthwhile when a single volume must hold larger media libraries or backups. Users needing faster boot times or application loading should consider solid-state storage instead.

商品特色

  • 4TB capacity stores large media libraries and backups
  • 7200 RPM spindle speed delivers responsive file access
  • 64MB cache buffers bursts for smoother throughput
  • SATA 6.0Gb/s interface connects to modern desktop motherboards
  • 5 inch form factor fits standard drive bays

商品規格

BrandHitachi GST
SeriesDeskstar 7K4000
ModelHDS724040ALA640 (0F14681)
PackagingBare Drive
InterfaceSATA 6.0Gb/s
Capacity4TB
RPM7200 RPM
Cache64MB
UsageFor Daily Computing
Form Factor3.5"
出貨重量0.68 kg
包裝尺寸155 × 107 × 30 mm

商品問答

Should I choose the 4TB Deskstar 7K4000 or a different capacity for my desktop?

The 4TB model gives you four terabytes of storage in a single 3.5 inch bay, which is the largest capacity offered in the Deskstar 7K4000 series.

What does the 7200 RPM spindle speed mean for everyday use?

The 7200 RPM rotation speed reduces latency when opening files or launching applications compared with slower-spinning drives.

How does the SATA 6.0Gb/s interface limit real-world transfer rates?

The SATA 6.0Gb/s link caps the maximum burst throughput at six gigabits per second, so sustained reads and writes will stay below that ceiling.

同類商品

顧客也比較過

同一分類，同一套結帳流程 — 支援八種加密貨幣，匯率鎖定 30 分鐘。