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Silver rectangular 2.5 inch laptop hard drive bare circuit board visible

SAMSUNG

SAMSUNG HM320II 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-Q678-79XTD MPN HM320II

A 2.5" SATA laptop hard drive with 320GB capacity, 5400 RPM speed and 8MB cache for storage upgrades

  • PackagingBare Drive
  • InterfaceSATA 3.0Gb/s
  • Capacity320GB
  • Cache8MB
  • Average Seek Time12ms
  • Average Latency5.6ms
  • 320GB capacity stores large media libraries
  • 5400 RPM spindle balances speed and quiet operation
  • 8MB cache accelerates frequent data access
  • SATA 3.0Gb/s interface fits standard laptop bays
  • SilentSeek and NoiseGuard reduce acoustic noise

Ideal laptop storage upgrade

This Samsung Spinpoint M7 drive delivers 320GB of capacity in a standard 2.5 inch form factor. It connects through a SATA 3.0Gb/s interface and spins at 5400 RPM with an 8MB cache. The bare drive arrives without cables or brackets for direct installation.

Replaces slower or smaller notebook drives

Swapping an older 5400 RPM unit with less capacity or a worn mechanical disk yields faster seek times of 12ms and lower latency of 5.6ms. The jump is worth it when the original drive limits boot speed, application loading or available space for documents and media.

Fits any 2.5 inch SATA bay

The drive slides into standard laptop drive caddies and works with common SATA data and power connectors. SilentSeek and NoiseGuard technologies reduce acoustic output for quiet environments. TuMR/PMR head design with FOD technology and load/unload ramps protect data during transport. It does not serve builds needing solid-state speed or capacities above 320GB.

Highlights

  • 320GB capacity stores large media libraries
  • 5400 RPM spindle balances speed and quiet operation
  • 8MB cache accelerates frequent data access
  • SATA 3.0Gb/s interface fits standard laptop bays
  • SilentSeek and NoiseGuard reduce acoustic noise

Specifications

BrandSAMSUNG
SeriesSpinpoint M7
ModelHM320II
PackagingBare Drive
InterfaceSATA 3.0Gb/s
Capacity320GB
Cache8MB
Average Seek Time12ms
Average Latency5.6ms
RPM5400 RPM
FeaturesATA Security Mode Feature Set
SATA Native Command Queuing Feature
ATA S.M.A.R.T. Feature Set
TuMR/PMR head with FOD technology
Load/Unload Head Technology
SilentSeek
NoiseGuard
Form Factor2.5"
Shipping weight0.11 kg
Package size102 × 71 × 11 mm

Questions about this item

Does the 2.5 inch form factor fit a standard laptop drive bay?

Yes, the 2.5 inch form factor matches the standard laptop internal drive bay and uses the SATA 3.0Gb/s interface for both data and power.

What is the correct way to secure the bare drive during installation?

Mount the drive using the four screw holes on the bottom or sides of the 2.5 inch chassis; a common mistake is leaving it loose without screws.

How can I monitor the health of the 320GB drive over time?

Use the built-in ATA S.M.A.R.T. feature set with monitoring software to track reallocated sectors, seek errors and temperature trends.

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