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Seagate ST1200MM0129 1.20 TB Hard Drive - 2.5' Internal - SAS (12Gb/s SAS)

Seagate ST1200MM0129 1.20 TB Hard Drive - 2.5' Internal - SAS (12Gb/s SAS)

Bottom line: The Seagate ST1200MM0129 1.20 TB Hard Drive is a specs-and-price decision rather than a crowd-consensus one in the ssds & storage category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, 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

  • ✓ 256 MB Buffer

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Seagate ST1200MM0129 1.20 TB Hard Drive - 2.5' Internal - SAS (12Gb/s SAS)

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SpecPicks Verdict

SpecPicks scored Seagate ST1200MM0129 1.20 TB Hard Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Compare with similarly-priced alternatives in the ssds & 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 ssds & 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.

Key Features

  • 10000rpm
  • 256 MB Buffer
  • 256 MB Buffer

Full Specifications

BrandSeagate
Colorblack
Model NameST1200MM0129 Exos 10E2400
Read Speed1200 megabytes_per_second
Unit Count1 Count
Form Factor2.5-inch
Media Speed270 MB/s
Model NumberST1200MM0129
Built-In MediaHard Drive
Hard Disk Size1200 GB
Hard-Drive Size1200 GB
Mfr Part NumberST1200MM0129
Number of Items1
Special FeaturePortable
Installation TypeInternal Hard Drive
Compatible DevicesLaptop, Desktop
Data Transfer Rate250 megabits_per_second
Enclosure MaterialMetal
Additional FeaturesPortable
Customer Package TypeStandard Packaging

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Seagate ST1200MM0129 1.20 TB Hard Drive - 2.5' Internal - SAS (12Gb/s SAS) 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 ST1200MM0129 1.20 TB Hard Drive - 2.5' Internal - SAS (12Gb/s SAS)
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