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Silver 3.5 inch bare hard drive with green circuit board visible

Seagate

Seagate BarraCuda ES ST3320620NS 320GB 7200 RPM 16MB SATA 3.0Gb/s 3.5" internal hard drive

SKU CH-S7ST-YFE9E MPN ST3320620NS

A 320 GB 7200 RPM desktop hard drive with 16 MB cache and SATA 3.0Gb/s interface, built for 24 x 7 operation

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity320GB
  • RPM7200 RPM
  • Cache16MB
  • Average Latency4.16ms
  • 320 GB capacity stores your operating system and files
  • 7200 RPM spindle speed delivers responsive data access
  • 16 MB cache buffers bursts for smoother throughput
  • Perpendicular recording technology maximises capacity and reliability
  • Native command queuing optimises performance in multi-tasking workloads

Seagate BarraCuda ES 320GB SATA drive

The Seagate BarraCuda ES ST3320620NS is a 320GB 3.5-inch internal hard drive built for desktop systems. It spins at 7200 RPM with a 16MB cache and connects through a SATA 3.0Gb/s interface. Perpendicular recording technology and native command queuing support reliable data handling in everyday workloads.

Suited for always-on desktop storage

This drive carries the highest reliability rating for 24 x 7 operation and includes multidrive firmware that maximises system availability. Its best-in-class rotational vibration tolerance helps maintain performance when installed alongside other drives. Buyers who need larger capacities or faster solid-state speeds should consider other options.

Sustained load behaviour

Under continuous use the 7200 RPM spindle and 4.16ms average latency deliver steady throughput for long-running tasks. The 16MB cache absorbs burst requests while NCQ optimises command order to reduce mechanical seek delays. Rotational vibration tolerance keeps performance consistent in multi-drive enclosures during extended sessions.

Pontos fortes

  • 320 GB capacity stores your operating system and files
  • 7200 RPM spindle speed delivers responsive data access
  • 16 MB cache buffers bursts for smoother throughput
  • Perpendicular recording technology maximises capacity and reliability
  • Native command queuing optimises performance in multi-tasking workloads

Especificações

BrandSeagate
SeriesBarraCuda ES
ModelST3320620NS
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity320GB
RPM7200 RPM
Cache16MB
Average Latency4.16ms
FeaturesPerpendicular recording technology for maximum capacity and reliability
Native command queuing (NCQ) for enhanced performance
Highest reliability rating for 24 x 7 operation
Best-in-class rotational vibration (RV) tolerance
Multidrive firmware maximizes system availability
Form Factor3.5"
Peso de envio0.54 kg
Dimensões da embalagem146 × 102 × 25 mm

Perguntas sobre este artigo

Does this drive need a SATA 3.0Gb/s port and a 3.5" drive bay to work?

Yes, it connects via a SATA 3.0Gb/s interface and fits a standard 3.5" internal bay.

Will the 16MB cache and NCQ work with a motherboard that only supports SATA 1.5Gb/s?

The drive is backward compatible with SATA 1.5Gb/s controllers, though throughput will be limited to that speed.

How can I verify the 7200 RPM spindle and 4.16ms latency are performing correctly after installation?

Use a SMART monitoring tool to confirm the spindle speed and run a benchmark to check reported latency figures.

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