HGST
HGST Travelstar Z7K320 HTS723225A7A364 250GB 7200 RPM 16MB Cache SATA 2.5" laptop hard drive
2.5-inch 250GB laptop hard drive with 7200 RPM speed and 16MB cache for faster application performance than 5400 RPM models
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity250GB
- Cache16MB
- Average Seek Time13ms
- Average Latency4.2ms
- 7200 RPM spindle speed delivers up to 18% faster application performance than 5400 RPM drives
- 16 MB cache and 1334 Mb/s media transfer rate accelerate data access
- 8 W read/write power draw extends laptop battery life
- 7 mm thin 2.5 inch form factor fits slim notebooks and external enclosures
- 250 GB capacity on a single 320 GB platter provides space for OS and files
Compact 7 mm laptop hard drive
The HGST Travelstar Z7K320 is a 2.5-inch SATA 3.0Gb/s drive with 250GB capacity, 7200 RPM spindle speed and 16MB cache. It measures 7 mm in height, matching the Z-height used in thin notebooks and external enclosures. The bare-drive package suits system integrators and upgrade installers. Average seek time is 13ms and average latency is 4.2ms.
Suits thin notebook and external builds
Buyers upgrading a slim laptop or a compact external case where a 7 mm SATA drive fits will benefit from the 7200 RPM speed and low 1.8W read/write power. Systems that only accept 9.5 mm drives cannot use this model. Users needing more than 250GB of storage should look at larger capacities.
7 mm Z-height decides fit
The single specification that determines compatibility is the 7 mm physical height. Verify that the target notebook or enclosure explicitly supports 7 mm SATA 2.5-inch drives before purchase.
Highlights
- 7200 RPM spindle speed delivers up to 18% faster application performance than 5400 RPM drives
- 16 MB cache and 1334 Mb/s media transfer rate accelerate data access
- 8 W read/write power draw extends laptop battery life
- 7 mm thin 2.5 inch form factor fits slim notebooks and external enclosures
- 250 GB capacity on a single 320 GB platter provides space for OS and files
Specifications
| Brand | Hitachi GST |
|---|---|
| Series | Travelstar Z7K320 |
| Model | HTS723225A7A364 (0A78742) |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 250GB |
| Cache | 16MB |
| Average Seek Time | 13ms |
| Average Latency | 4.2ms |
| RPM | 7200 RPM |
| Features | Up to 1334Mb/s media transfer rate - Faster downloads and up to 18% better application performance than 5400 RPM models at same capacity 1.8W read/write power - Low energy use and long battery life for 0.8W low power idle - more "unplugged" notebook time 400G operating shock - Robust design to help protect against bumps and 1000G non-operating shock - rough handling TrueTrack technology - Prevents slow performance or errors in high shock or vibration environments Improved acoustics - Quieter for a richer audio-listening experience for music, movies and games SATA 3Gb/s - Fast data th |
| Form Factor | 2.5" |
Questions about this item
How can I confirm the drive is running at 7200 RPM after installation?
Listen for the characteristic 7200 RPM spin-up sound and verify the model HTS723225A7A364 appears in your BIOS or disk utility with the correct 250GB capacity.
The listing says "Bare Drive" — does it include mounting screws or a SATA cable, or must I buy them separately?
Bare Drive means only the 2.5-inch mechanism is supplied; you will need to provide any 2.5-inch mounting screws, brackets or SATA data and power cables required by your notebook or enclosure.
I see the Z7K320 series ranges from 160GB to 320GB — why choose this 250GB model over the 320GB version?
The 250GB model uses the same 7200 RPM, 16MB cache and SATA 3.0Gb/s specification as the 320GB drive; select it when 250GB meets your storage need and you prefer the lower cost per drive.
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