We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver 2.5 inch laptop hard drive bare drive with circuit board visible

Seagate

Seagate ST940210A 40GB 5400 RPM 2MB Cache Parallel ATA 2.5" laptop hard drive

SKU CH-F7Q9-KDE4K MPN ST940210A

A 40 GB 2.5 inch laptop hard drive with a Parallel ATA interface, 5400 RPM speed and 2 MB cache

  • PackagingBare Drive
  • InterfaceParallel ATA
  • Capacity40GB
  • Cache2MB
  • RPM5400 RPM
  • Form Factor2.5"
  • 40 GB capacity stores documents and media
  • 5400 RPM spindle delivers responsive laptop performance
  • 2 MB cache speeds up frequent file access
  • Parallel ATA interface fits legacy notebook systems
  • 5 inch form factor matches standard drive bays

What this drive is

The Seagate ST940210A is a 40GB 2.5-inch internal hard drive built for laptop upgrades or replacements. It spins at 5400 RPM with a 2MB cache and connects through a Parallel ATA interface. The unit is supplied as a bare drive in new condition.

Check your laptop first

Verify that your notebook has a 2.5-inch drive bay and a Parallel ATA connector before ordering. Many modern laptops use Serial ATA or M.2 slots instead, so this drive will not fit those systems. Confirm the physical height allowance in your chassis as well.

Suits legacy repairs only

This drive suits technicians restoring older laptops that require a Parallel ATA device. It does not meet the capacity or speed needs of current operating systems or general storage. Buyers wanting more space or a faster interface should look at other options.

Highlights

  • 40 GB capacity stores documents and media
  • 5400 RPM spindle delivers responsive laptop performance
  • 2 MB cache speeds up frequent file access
  • Parallel ATA interface fits legacy notebook systems
  • 5 inch form factor matches standard drive bays

Specifications

BrandSeagate
SeriesLD25.2
ModelST940210A
PackagingBare Drive
InterfaceParallel ATA
Capacity40GB
Cache2MB
RPM5400 RPM
Form Factor2.5"
Shipping weight0.10 kg
Package size101 × 70 × 10 mm

Questions about this item

Does the bare drive include cables, brackets or mounting screws?

The drive is supplied as a bare unit only. No cables, brackets or screws are included; these must be sourced separately.

Is the 40 GB capacity the only option in the LD25.2 series?

The LD25.2 series includes other capacities, but this listing is specifically for the 40 GB model.

Will the 5400 RPM speed be a bottleneck in a typical laptop from the same era?

A 5400 RPM drive with 2 MB cache provides adequate throughput for period-correct office and web tasks on a Parallel ATA laptop.

New to this? Paying with USDT: TRC-20 or ERC-20 — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.