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Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST1000LM024)

Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST1000LM024)

Bottom line: The Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare: 1TB on a single 2.5-inch drive, no adapter needed for a standard notebook bay; main trade-off: 5400RPM throughput trails any SATA SSD for boot drives or scratch work.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For external drives and portable storage, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 1TB on a single 2.5-inch drive, no adapter needed for a standard notebook bay
  • ✓ 5400RPM spindle runs cooler and quieter than 7200RPM 2.5-inch alternatives
  • ✓ SATA 3.0Gbps interface stays compatible with older notebooks and legacy controllers
  • ✓ Bare-drive format suits USB enclosure builds and console storage swaps

Cons

  • ✗ 5400RPM throughput trails any SATA SSD for boot drives or scratch work
  • ✗ Spec sheet says 8MB DRAM buffer while the title claims a 32MB cache
  • ✗ Ships bare: no screws, SATA cable, enclosure, or cloning software included
  • ✗ SATA 3.0Gbps interface sits below the 6Gbps ports on current motherboards

Manufacturer description

The Seagate 1TB Mobile HDD (ST1000LM024) is a 2.5-inch internal bare drive built for laptop upgrades, console storage swaps, and enclosure-based external builds. It packs 1TB onto a 5400RPM spindle and connects over a SATA 3.0Gbps interface, so it drops into most notebook bays, older desktops with a 2.5-inch mount, and USB enclosures without an adapter. The spec sheet lists an 8MB DRAM buffer while the product title references a 32MB cache, so confirm the cache figure on the listing if that detail matters to your workload. A 5400RPM design trades peak throughput for lower heat and quieter…

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SpecPicks Verdict

SpecPicks scored Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare… using a rating × review-volume × price-fit model applied to published specs and reviews across the external storage category. Compare with similarly-priced alternatives in the external storage category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Will this Seagate 1TB drive fit in my laptop?

It is a standard 2.5-inch SATA drive, so it fits notebook bays wired for SATA 3.0Gbps or faster. The listing does not state the drive's z-height, so measure your bay clearance or check the product listing before ordering.

Is the cache 8MB or 32MB?

The two figures conflict: the product title says 32MB cache, while the listed specification is a Buffer DRAM Size of 8MB. Check the current Seagate listing for the ST1000LM024 configuration you are buying.

Is a 5400RPM drive fast enough for gaming or as a boot drive?

At 5400RPM over SATA 3.0Gbps, it is better suited to media libraries, backups, and secondary game storage than to a boot volume. Pair it with an SSD for the operating system and use this drive for bulk capacity.

What comes in the box, and do I need an enclosure?

This is an internal bare drive, so it arrives without mounting screws, a SATA cable, an enclosure, or cloning software. To use it as portable storage, add a 2.5-inch SATA-to-USB enclosure or dock separately.

Is this drive reliable enough for long-term storage?

Buyer feedback is strong, with hobbyists and IT professionals citing dependability. Warranty length is not listed here, so check the product listing for current coverage terms.

Key Features

  • 1TB 5400RPM
  • Buffer DRAM Size: 8 MB
  • Interface: SATA 3.0 Gbps

Full Specifications

BrandSeagate
InterfaceSATA 3.0 Gbps
Model NameMobile
Read Speed375 megabytes_per_second
Form Factor2.5-inch
Media Speed375 megabytes_per_second
Model NumberHN-M101MBB/EX2
Hard Disk Size1 TB
Hard-Drive Size1 TB
Mfr Part NumberHN-M101MBB/EX2
Number of Items1
Special FeaturePortable
Buffer DRAM Size8 MB
Hardware Platformlaptop
Installation TypeInternal Hard Drive
Compatible DevicesDesktop
Data Transfer Rate375 megabytes_per_second
Enclosure MaterialAluminum
Additional FeaturesPortable
Hard Disk InterfaceSerial ATA-150

Ready to buy?

Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST1000LM024) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Seagate 1TB Mobile HDD SATA 3Gb/s 32MB Cache 2.5-Inch Internal Bare Drive (ST1000LM024)
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