Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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HGST
HGST HDT722525DLA380 250GB 7200 RPM 8MB SATA 3.0Gb/s 3.5" internal hard drive
A 250 GB 3.5" desktop drive with 7200 RPM, 8 MB cache and SATA 3.0Gb/s interface
- PackagingBare Drive
- InterfaceSATA 3.0Gb/s
- Capacity250GB
- RPM7200 RPM
- Cache8MB
- Average Seek Time8.5ms
- 7200 RPM spindle delivers responsive desktop performance
- 8 MB cache accelerates frequent read and write operations
- SATA 3.0 Gb/s interface fits standard motherboard ports
- Low-power design cuts system energy draw and aids RAID reliability
- Quiet operating modes suit noise-sensitive environments
Deskstar T7K250 250GB SATA hard drive
The HGST HDT722525DLA380 is a 3.5-inch internal hard drive with 250GB capacity, 7200 RPM spindle speed and an 8MB cache. It connects via a SATA 3.0Gb/s interface and has an average seek time of 8.5ms. The bare drive is designed for desktop systems and multi-drive environments.
Suits desktop storage and RAID arrays.
This drive suits builders adding affordable bulk storage to a desktop PC or configuring ATA-RAID arrays where low power draw and quiet operation matter. Buyers who need more storage space or faster solid-state performance should look at larger mechanical drives or SSDs instead.
250GB capacity decides fit
The single specification that determines whether this is the right part is the 250GB capacity. If your operating system, applications and media fit within that limit the drive will work; if you require more room you must choose a higher-capacity model.
Highlights
- 7200 RPM spindle delivers responsive desktop performance
- 8 MB cache accelerates frequent read and write operations
- SATA 3.0 Gb/s interface fits standard motherboard ports
- Low-power design cuts system energy draw and aids RAID reliability
- Quiet operating modes suit noise-sensitive environments
Specifications
| Brand | Hitachi GST |
|---|---|
| Series | Deskstar T7K250 |
| Model | HDT722525DLA380 (0A31636) |
| Packaging | Bare Drive |
| Interface | SATA 3.0Gb/s |
| Capacity | 250GB |
| RPM | 7200 RPM |
| Cache | 8MB |
| Average Seek Time | 8.5ms |
| Features | Low power design reduces system costs and drives high reliability in ATA-RAID and other multiple drive systems Quiet operating modes ideal for use in noise-sensitive environments |
| Form Factor | 3.5" |
| Shipping weight | 0.76 kg |
| Package size | 203 × 152 × 51 mm |
Questions about this item
How can I confirm the Deskstar T7K250 is running at 7200 RPM with 8.5 ms seek time after installation?
Check the drive model HDT722525DLA380 in BIOS or disk utility; it should report 250 GB capacity, SATA 3.0 Gb/s link speed, and SMART data will show the spindle speed and seek performance.
What does the bare drive packaging include and what must I supply?
The box contains only the 3.5 inch drive; you must provide a SATA data cable, a SATA power lead from the PSU, and mounting screws for your case.
Which Deskstar T7K250 variant matches the HDT722525DLA380 (0A31636) part number?
That exact part number identifies the 250 GB, 7200 RPM, 8 MB cache, SATA 3.0 Gb/s model; no other capacity or cache version shares this MPN.
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