Seagate
Seagate Momentus 7200.4 ST9320423AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" laptop hard drive
2.5-inch 320 GB laptop drive spins at 7200 RPM with 16 MB cache and SATA 3.0 Gb/s interface
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity320GB
- Cache16MB
- Average Latency4.17ms
- RPM7200 RPM
- 7200 RPM spindle speed accelerates data access for faster boot and application load times
- 16 MB cache buffers frequent reads and writes to improve everyday responsiveness
- SATA 3.0 Gb/s interface provides broad compatibility with 2.5 inch laptop drive bays
- 320 GB capacity stores documents, media and applications in a single drive
- G-Force Protection technology parks heads on impact to help safeguard data during drops
320 GB SATA laptop drive
The Seagate Momentus 7200.4 ST9320423AS is a 2.5 inch internal hard drive built for notebooks and compatible 2.5 inch bays. It offers 320 GB of storage on a SATA 3.0Gb/s interface. The 7200 RPM spindle speed and 16 MB cache suit users who want faster load times than a 5400 RPM drive provides.
G-Force Protection and quiet motor
G-Force Protection technology parks the heads during sudden motion to help safeguard data if the laptop is dropped. A fluid dynamic bearing motor reduces acoustic output for quieter operation in thin-and-light chassis. The bare-drive package contains only the drive itself without cables, brackets or installation software.
9.5 mm height constraint
The drive measures 9.5 mm tall, 69.75 mm wide and 100.3 mm long, so it fits standard 9.5 mm drive bays but not ultra-thin 7 mm slots. Average latency is 4.17 ms at 7200 RPM. Buyers needing a thinner profile or a higher-capacity single drive should verify their bay height before ordering.
أبرز المميزات
- 7200 RPM spindle speed accelerates data access for faster boot and application load times
- 16 MB cache buffers frequent reads and writes to improve everyday responsiveness
- SATA 3.0 Gb/s interface provides broad compatibility with 2.5 inch laptop drive bays
- 320 GB capacity stores documents, media and applications in a single drive
- G-Force Protection technology parks heads on impact to help safeguard data during drops
المواصفات
| Brand | Seagate |
|---|---|
| Series | Momentus 7200.4 |
| Model | ST9320423AS |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 320GB |
| Cache | 16MB |
| Average Latency | 4.17ms |
| RPM | 7200 RPM |
| Features | Important Warranty Information This product is end-of-sale and no longer warranted by the manufacturer. Instead, warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Customer Service, not the manufacturer. Native Command Queuing Green features: - Lowest-power 7200-RPM laptop hard drive yet - Ramp load features improve idle power consumption State-of-the-art error correction Fluid dynamic bearing motor Support for S.M.A.R.T. drive monitoring and reporting Support for Read Multiple and Write Multiple commands |
| Form Factor | 2.5" |
| Height (maximum) | 9.5mm |
| Width (maximum) | 69.75mm |
| Length (maximum) | 100.3mm |
| وزن الشحنة | 0.13 kg |
| أبعاد الطرد | 152 × 97 × 25 mm |
أسئلة حول هذا المنتج
Does the 7200 RPM motor or the 16MB cache require any periodic maintenance or replacement?
No, the 7200 RPM fluid dynamic bearing motor and 16MB cache are sealed inside the drive and need no user maintenance or replacement.
Which limit appears first during sustained transfers — the SATA 3.0Gb/s interface or the 7200 RPM platter speed?
The 7200 RPM platter speed limits sustained throughput before the SATA 3.0Gb/s interface saturates.
How much noise and heat does the 2.5-inch 7200.4 drive produce when running all day?
The fluid dynamic bearing motor keeps noise low, and power draw stays near 5400 RPM-equivalent levels for cool, quiet all-day operation.
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