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Silver rectangular 2.5 inch bare SATA hard drive

Seagate

Seagate ST980817SM 80GB 5400 RPM 8MB SATA 3.0Gb/s 2.5" laptop hard drive

SKU CH-MSB5-TJ3Z5 MPN ST980817SM

80GB 2.5" laptop drive built for extreme temperatures, vibration and shock with 5400 RPM and 8MB cache

  • Total capacity80 GB
  • Interface typeSATA 3.0Gb/s
  • Form factor2.5 in (6.35 cm)
  • Packaging typeBare Drive
  • Cache memory8 MB
  • Mean latency5.6 ms
  • 80 GB capacity stores your operating system and files
  • 5400 RPM spindle speed delivers steady laptop performance
  • 8 MB cache buffers frequent read and write requests
  • SATA 3.0 Gb/s interface connects to standard notebook controllers
  • EE25.2 series with RunOn technology withstands extreme temperatures and vibration

Seagate EE25.2 Series 80GB 2.5" SATA drive

The Seagate ST980817SM is a new 80GB laptop internal hard drive from the EE25.2 Series. It spins at 5400 RPM with an 8MB cache and connects via a SATA 3.0Gb/s interface. The 2.5-inch bare drive uses RunOn Technology to operate in extreme temperatures and tolerate high vibration and shock levels.

Suits embedded or industrial upgrades needing

This drive fits systems that require a SATA 3.0Gb/s 2.5-inch drive with enhanced environmental durability. It is not for users who need higher capacity or faster rotational speed for performance workloads. Buyers needing a drive with a larger cache buffer or a different physical interface should look elsewhere.

Deciding spec: SATA 3.0Gb/s interface

The SATA 3.0Gb/s interface determines host compatibility, while the RunOn Technology defines the operating envelope for extreme conditions. Verify that the target system uses a standard SATA connection and requires the vibration and temperature tolerance this series provides.

How it compares

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

Price $130.99
Pricier than about 74% of the 645 comparable items (median $66.99).
Total capacity 80 GB
Lower than about 90% of the 419 comparable items (median 320 GB).
Price per TB $1,637.38 per TB
Pricier than about 91% of the 416 comparable items (median $233.48 per TB).

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Specifications

Product
Brand nameSeagate
Product lineEE25.2 Series
Model nameST980817SM
Total capacity80 GB
Performance
Mean latency5.6 ms
Rotational speed5,400 RPM
Storage
Cache memory8 MB
Ports & slots
Interface typeSATA 3.0Gb/s
Size & build
Form factor2.5 in (6.35 cm)
Shipping weight0.23 kg
Package size152 × 102 × 25 mm

Questions about this item

What practical throughput does the SATA 3.0Gb/s interface cap at?

The SATA 3.0Gb/s interface limits maximum transfer rates to 3.0Gb/s, so real-world throughput stays within that ceiling regardless of the drive’s internal speed.

What physical space and mounting does the 2.5" form factor require?

The drive uses a standard 2.5-inch form factor designed for laptop drive bays and caddies that accept 2.5-inch SATA drives.

How is the bare drive installed, and what step is often missed?

Slide the bare drive into the bay, secure it with the chassis screws or caddy rails, then attach both the SATA data and power cables — skipping the power cable is the common oversight.

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