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Silver 2.5-inch laptop hard drive with exposed circuit board, .3 inch height

HGST

HGST 0J38072 Travelstar Z7K500 250 GB 2.5" laptop hard drive 7200 RPM 32MB cache SATA

SKU CH-CK6N-9JXM7 MPN 0J38072

7mm 2.5-inch 250 GB internal hard drive spinning at 7200 RPM with 32 MB cache and SATA 6Gb/s interface

  • InterfaceSATA
  • Cache32MB
  • RPM7200 RPM
  • 7200 RPM spindle speed delivers responsive application loading
  • 32 MB cache buffer accelerates frequent read and write operations
  • SATA 6 Gb/s interface supports high-throughput data transfer
  • 7 mm thin 2.5 inch form factor fits slim notebooks and consoles
  • 250 GB capacity on a single platter using 4K advanced format sectors

250 GB 2.5-inch 7200 RPM laptop drive

This HGST Travelstar Z7K500 model 0J38072 provides 250 GB of storage in a 7 mm high 2.5-inch form factor. It spins at 7200 RPM with a 32 MB cache and connects through a SATA 6 Gb/s interface. The drive suits notebook PCs, external enclosures and gaming consoles that accept a standard 2.5-inch SATA hard drive.

SATA 6 Gb/s interface and 7 mm height

The drive uses the SATA/600 interface standard, so it works with any system that provides a SATA 6 Gb/s or slower port. Its 0.3-inch (7 mm) z-height fits slim laptops that cannot accept a 9.5 mm drive, while the 2.5-inch width matches the standard drive bay. Advanced Format 4K sectors improve error correction, but the host must support 4K logical blocks or 512-byte emulation for full compatibility.

250 GB capacity on a single platter

This specific unit stores 250 GB on one platter at 500 GB per platter density, making it a direct replacement for thinner 9.5 mm drives in compatible devices. Buyers who need more storage than 250 GB should consider higher-capacity models in the same Z7K500 series. The 7200 RPM spindle speed and 32 MB cache deliver the highest PCMark Vantage performance in this class.

Highlights

  • 7200 RPM spindle speed delivers responsive application loading
  • 32 MB cache buffer accelerates frequent read and write operations
  • SATA 6 Gb/s interface supports high-throughput data transfer
  • 7 mm thin 2.5 inch form factor fits slim notebooks and consoles
  • 250 GB capacity on a single platter using 4K advanced format sectors

Specifications

BrandHGST
SeriesTravelstar
InterfaceSATA
Cache32MB
RPM7200 RPM
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

Should I choose the 250 GB or 500 GB capacity?

The 250 GB model uses a single platter at 500 GB per platter density, while the 500 GB version adds a second platter; pick 250 GB for thinner 7 mm builds or 500 GB for maximum space.

What does 7200 RPM mean for daily use?

The 7200 RPM spindle speed reduces latency, so the operating system and applications launch more quickly than on slower drives.

How does the SATA/600 interface limit performance?

The SATA/600 interface caps the theoretical transfer rate at 6 Gb/s, so sustained reads cannot exceed that ceiling even if the platters are faster.

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