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Rectangular silver 2.5 inch bare hard drive with exposed circuit board

SAMSUNG

SAMSUNG Spinpoint M7E HM251HI 250GB 5400 RPM 8MB SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-2531-00G7Z MPN HM251HI

2.5-inch SATA laptop drive with 250 GB capacity, 5400 RPM and 8 MB cache

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity250GB
  • Cache8MB
  • RPM5400 RPM
  • Form Factor2.5"
  • 250 GB capacity stores large media libraries and backups
  • 5400 RPM spindle speed balances quiet operation with reliable throughput
  • 8 MB cache buffers frequent reads for smoother multitasking
  • SATA 3.0 Gb/s interface ensures broad laptop compatibility
  • 5 mm z-height fits standard 2.5 inch drive bays

Product identity

The Samsung Spinpoint M7E HM251HI is a 250GB 2.5-inch internal hard drive built for laptop upgrades and replacements. It spins at 5400 RPM with an 8MB cache and connects through a SATA 3.0Gb/s interface.

Build integration

The bare drive measures 9.5mm high, 69.75mm wide and 100.3mm long, fitting standard 2.5-inch drive bays that accept a 9.5mm profile. It requires a SATA data cable and a SATA power connection from the host system, freeing an M.2 slot for a faster solid-state boot drive.

Buyer fit

This drive suits users who need affordable bulk storage for documents, media or backups in an older notebook or external enclosure. Buyers who want faster application loading, lower power draw or silent operation should look at a solid-state alternative.

Highlights

  • 250 GB capacity stores large media libraries and backups
  • 5400 RPM spindle speed balances quiet operation with reliable throughput
  • 8 MB cache buffers frequent reads for smoother multitasking
  • SATA 3.0 Gb/s interface ensures broad laptop compatibility
  • 5 mm z-height fits standard 2.5 inch drive bays

Specifications

BrandSAMSUNG
SeriesSpinpoint M7E
ModelHM251HI
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity250GB
Cache8MB
RPM5400 RPM
Form Factor2.5"
Height (maximum)9.5mm
Width (maximum)69.75mm
Length (maximum)100.3mm
Shipping weight0.09 kg
Package size102 × 70 × 13 mm

Questions about this item

How long does the 5400 RPM spindle take to become the throughput bottleneck under sustained use?

At 5400 RPM the mechanical spindle limits sustained transfer rates before the SATA 3.0Gb/s link saturates, so the drive itself is the first limit during long sequential workloads.

What heat or noise level should I expect when the HM251HI runs all day in a laptop?

The 5400 RPM mechanism produces modest heat and low acoustic output typical for 2.5" 9.5 mm drives, making it suitable for continuous operation in thin notebooks.

Which laptop drive bay or caddy do I need so the 9.5 mm high 2.5" SATA drive fits and works?

Any standard 2.5" SATA bay that accepts 9.5 mm height drives will accommodate the HM251HI; the SATA 3.0Gb/s connector matches the laptop's native interface.

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