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Silver 2.5 inch bare SATA hard drive, 7mm thin

Seagate

Seagate ST1000LM048 BarraCuda 1TB 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 7mm laptop hard drive

SKU CH-48XH-MY0BG MPN ST1000LM048

A 1TB 2.5-inch 7mm laptop hard drive with 128MB cache and 5400 RPM for daily computing

  • Total capacity1 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory128 MB
  • Rotational speed5,400 RPM

Capacity 1TB

  • 1TB capacity for daily computing files
  • 128MB cache helps speed up frequent data access
  • 7mm slim profile fits thin and light laptops
  • Up to 140MB/s transfer rates for snappier file moves
  • SATA 6.0Gb/s interface for broad system compatibility

Product identity

This is a 2.5-inch Seagate BarraCuda laptop hard drive with 1TB capacity, 5400 RPM spindle speed and 128MB cache. It connects through a SATA 6.0Gb/s interface and fits the 7mm z-height used by thin-and-light notebooks. The drive is supplied new in bare-drive packaging for system builders and upgrade installers.

Upgrade context

It replaces an older 2.5-inch SATA hard drive of lower capacity or smaller cache, and the jump is worthwhile when a notebook or compact desktop needs more storage without moving to a thicker 15mm bay. The 140MB/s peak data rate improves file-transfer responsiveness over slower legacy drives. Buyers who want solid-state speed or capacities above 2TB should look elsewhere.

Compatibility check

Verify the host system accepts a 2.5-inch SATA drive with a 7mm profile and that a SATA data plus power connector is available. Confirm the BIOS or UEFI recognises 1TB volumes and that no hardware RAID controller imposes a lower capacity limit. The drive is not formatted, partitioned or allocated, so the operating system must initialise it on first boot.

How it compares

Measured against everything we stock in 2.5-Inch Internal Laptop HDDs, at today’s prices. Recalculated every night.

Price $44.99
Cheaper than about 74% of the 645 comparable items (median $66.99).
Total capacity 1 TB
Higher than about 90% of the 419 comparable items (median 320 GB).
Price per TB $44.99 per TB
Cheaper than about 94% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameSeagate
Product lineBarraCuda
Model nameST1000LM048
Total capacity1 TB
Recommended useFor Daily Computing
Performance
Rotational speed5,400 RPM
Storage
Cache memory128 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Max height7 mm
Maximum width69.85 mm
Maximum length100.35 mm
Shipping weight0.23 kg
Package size102 × 76 × 5 mm

Other versions of this model

4 more in the same range

Questions about this item

Will the 7mm 2.5" form factor fit my laptop's drive bay?

The drive measures 7mm high, 69.85mm wide and 100.35mm long, matching the standard 2.5-inch 7mm bay used in most thin-and-light laptops.

What is the correct way to connect the SATA 6.0Gb/s interface during installation?

Align the L-shaped SATA data and power connectors, press firmly until they click, then secure the drive with the laptop's mounting screws or caddy; forgetting to latch the cables is the common mistake.

How often should I check the 128MB cache and 5400 RPM mechanism for long-term health?

Run the manufacturer's diagnostic tool every few months to scan for bad sectors — up to 25 may appear over time — and replace the drive if reallocated sector counts rise.

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