Seagate
Seagate Momentus 7200.3 ST9320421AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" laptop hard drive
A 320 GB 2.5-inch laptop hard drive spinning at 7200 RPM with 16 MB cache and a SATA 3.0 Gb/s interface
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity320GB
- Cache16MB
- Average Latency4.17ms
- RPM7200 RPM
- 7200 RPM spindle delivers fast data access
- 16MB cache buffer smooths burst workloads
- SATA 3.0Gb/s interface fits standard laptop bays
- 320GB capacity stores OS, apps and media
- 5-inch form factor suits notebook upgrades
Capacity and interface
This Seagate Momentus 7200.3 ST9320421AS is a 320GB 2.5-inch internal laptop hard drive. It connects through a SATA 3.0Gb/s interface and spins at 7200 RPM with a 16MB cache.
Upgrade or replacement use
The drive suits owners of older laptops that accept a 2.5-inch SATA drive and need a fresh 320GB mechanical drive. Buyers who want more storage or a solid-state drive should look at other options.
Rotation rate
The single specification that decides fit is the 7200 RPM spindle speed. It determines the drive's average latency of 4.17ms and its performance level for a mechanical laptop drive.
Besonderheiten
- 7200 RPM spindle delivers fast data access
- 16MB cache buffer smooths burst workloads
- SATA 3.0Gb/s interface fits standard laptop bays
- 320GB capacity stores OS, apps and media
- 5-inch form factor suits notebook upgrades
Technische Daten
| Brand | Seagate |
|---|---|
| Series | Momentus 7200.3 |
| Model | ST9320421AS |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 320GB |
| Cache | 16MB |
| Average Latency | 4.17ms |
| RPM | 7200 RPM |
| Form Factor | 2.5" |
| Versandgewicht | 0.45 kg |
| Paketgröße | 203 × 152 × 51 mm |
Fragen zu diesem Artikel
How does the 7200 RPM speed affect everyday performance?
The 7200 RPM spindle delivers an average latency of 4.17ms, which reduces wait times when opening files or launching applications compared to slower laptop drives.
What does the SATA 3.0Gb/s interface mean for transfer speeds?
The SATA 3.0Gb/s link caps the maximum burst throughput at 3.0 Gb/s, so sustained read and write speeds will not exceed that limit in any system.
Will this 2.5" drive fit my laptop's drive bay?
The 2.5" form factor matches the standard laptop internal drive bay, and the bare-drive packaging means it installs directly without extra brackets.
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