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Silver 3.5 inch SATA bare hard drive with green circuit board visible

Seagate

Seagate BarraCuda 7200.10 ST3400620AS 400GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-RDWV-R4Z2T MPN ST3400620AS

A 400 GB desktop hard drive spinning at 7200 RPM with 16 MB cache and SATA 3.0 Gb/s interface for reliable internal storage

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity400GB
  • RPM7200 RPM
  • Cache16MB
  • Average Seek Time8.5ms
  • 400 GB capacity stores large media libraries
  • 7200 RPM spindle speed speeds up file access
  • 16 MB cache buffer smooths burst transfers
  • SATA 3.0 Gb/s interface fits standard desktop boards
  • Perpendicular recording technology boosts areal density and reliability

Capacity and interface

The Seagate BarraCuda 7200.10 ST3400620AS is a 400GB 3.5" internal hard drive with a SATA 3.0Gb/s interface. It suits desktop builders who need a new drive for an older SATA system or a secondary storage volume.

Sustained workload behaviour

The drive spins at 7200 RPM with a 16MB cache, yielding an 8.5ms average seek time and a 10ms average write time. Perpendicular recording technology supports consistent throughput during extended file transfers rather than only in short bursts.

Build quality and daily implications

Enhanced G-Force Protection guards against handling damage while Clean Sweep calibration and Directed Offline scan diagnostics maintain data integrity. The bare-drive packaging means mounting screws and cables must be supplied separately.

Points forts

  • 400 GB capacity stores large media libraries
  • 7200 RPM spindle speed speeds up file access
  • 16 MB cache buffer smooths burst transfers
  • SATA 3.0 Gb/s interface fits standard desktop boards
  • Perpendicular recording technology boosts areal density and reliability

Caractéristiques

BrandSeagate
SeriesBarraCuda 7200.10
ModelST3400620AS
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity400GB
RPM7200 RPM
Cache16MB
Average Seek Time8.5ms
Average Write Time10ms
Average Latency4.16ms
FeaturesPerpendicular recording technology for maximum drive capacity and reliability
Ultra-fast performance
Superb reliability
Whisper-quiet operation
Enhanced G-Force Protection against handling damage
Clean Sweep calibration and Directed Offline scan diagnostics
RoHS (restriction of hazardous substances) compliant
Form Factor3.5"
Poids d’expédition0.68 kg
Dimensions du colis203 × 152 × 51 mm

Questions sur cet article

How much noise and heat does the 7200 RPM mechanism produce during continuous operation?

The drive is described as whisper-quiet and uses perpendicular recording technology, which reduces mechanical chatter while the 7200 RPM spindle runs at a steady speed.

What cables and host interface are required to connect the SATA 3.0Gb/s interface?

You need a standard SATA data cable and a SATA power connector from the power supply; the drive plugs directly into any motherboard or controller with a SATA 3.0Gb/s port.

Will the 3.5 inch form factor and SATA interface work alongside an older IDE drive on the same system?

Yes, the 3.5 inch drive uses a native SATA 3.0Gb/s interface, so it can coexist with legacy IDE devices on a motherboard that provides both SATA and IDE connectors.

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