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Silver 2.5 inch bare SATA hard drive with exposed circuit board

Seagate

Seagate ST9500420ASG 500GB 7200 RPM 16MB SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-36CR-PVPAG MPN ST9500420ASG

A 500 GB 2.5" laptop drive spinning at 7200 RPM with 16 MB cache and G-Force Protection for shock safety

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity500GB
  • Cache16MB
  • Average Seek Time11ms
  • Average Write Time13ms
  • 7200 RPM spindle speed delivers fast data access
  • 500 GB capacity stores large notebook workloads
  • 16 MB cache buffers bursts for smoother throughput
  • SATA 3.0 Gb/s interface fits standard laptop bays
  • G-Force Protection parks heads on free-fall to safeguard data

Seagate Momentus 7200.4 500GB

The Seagate Momentus 7200.4 ST9500420ASG is a 2.5 inch laptop internal hard drive with a 500GB capacity. It spins at 7200 RPM and connects through a SATA 3.0Gb/s interface. The drive includes 16MB cache and G-Force Protection for shock detection. It is supplied as a bare drive.

500GB capacity with 7200 RPM speed

The 500GB capacity suits operating system drives and moderate data storage in notebooks or small servers. The 7200 RPM spindle and 16MB cache deliver average seek times of 11ms and write times of 13ms. Latency averages 4.17ms. Heavy multi-tasking or large media libraries will exceed the available space and throughput headroom.

2.5 inch SATA 3.0Gb/s bare drive

The 2.5 inch form factor fits standard laptop bays and compatible server trays using the SATA 3.0Gb/s connector. No mounting brackets or cables are included with the bare drive packaging. SmartAlign technology handles 4K sector alignment without extra software. Self-encrypting options provide hardware encryption where data security is required.

Points forts

  • 7200 RPM spindle speed delivers fast data access
  • 500 GB capacity stores large notebook workloads
  • 16 MB cache buffers bursts for smoother throughput
  • SATA 3.0 Gb/s interface fits standard laptop bays
  • G-Force Protection parks heads on free-fall to safeguard data

Caractéristiques

BrandSeagate
SeriesMomentus 7200.4
ModelST9500420ASG
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity500GB
Cache16MB
Average Seek Time11ms
Average Write Time13ms
Average Latency4.17ms
RPM7200 RPM
UsageIdeal for Servers
Form Factor2.5"
Poids d’expédition0.11 kg
Dimensions du colis102 × 71 × 13 mm

Questions sur cet article

Will the 3.0Gb/s SATA interface of this ST9500420ASG work with my laptop's older SATA 1.5Gb/s controller?

Yes, the SATA 3.0Gb/s interface is backwards compatible and will operate at the controller's 1.5Gb/s speed.

How can I verify the ST9500420ASG is healthy after installation?

Check SMART data for reallocated sectors and run a full surface scan; the drive should report 7200 RPM and 16MB cache.

Does the bare-drive ST9500420ASG include mounting screws or a SATA cable, or must I buy them separately?

The bare drive ships without screws or cables; you must supply 2.5" mounting hardware and a SATA data cable.

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