Skip to main content

As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

Seagate

Seagate One Touch SSD Portable 1TB 1TB Portable SSD

Model: STKS1000400

7.7/10
Capacity 1TB
Interface USB 3.2 Gen 2
Form Factor External
Read Speed 1,030 MB/s
Write Speed 1,030 MB/s
Endurance (TBW) 600 TB
Warranty 3 Years

Overview

A 1TB budget portable from Seagate — typically the lowest-priced 1TB brand-name Gen 2 portable SSD available. Comes with the Resident Rescue data-recovery plan, which is meaningful coverage at a price point where the drive is seen as disposable.

See how it stacks up against competitors in our Ultra-Portable SSDs SSD comparison, or browse related SSD buying guides.

Where to Buy

Click through to view the current price, availability, and full product details on the retailer's site.

Check on Amazon →

We earn a commission from qualifying purchases made through these links. Prices and availability are subject to change — see the retailer's site for current pricing.

Pros

  • 1030 MB/s budget drive
  • Both USB-C/A cables
  • Rescue data recovery plan
  • Often cheapest brand-name 1TB Gen 2

Cons

  • Sustained writes dip sharply after cache
  • 3-year warranty
  • Plastic body
  • No encryption on Windows

Everyday Storage Analysis

1TB of 1.0 GB/s storage for everyday use — the Seagate Seagate One Touch SSD Portable 1TB delivers reliable performance without the premium price tag.

Practical Performance

1.0 GB/s reads and 1.0 GB/s writes cover everything a typical user needs: Time Machine backups, document archives, photo libraries, and game installs. The Seagate One Touch SSD Portable 1TB is the drive you plug in and forget about — it just works.

Practical, No-Compromise Design

1TB of storage provides generous headroom for everyday files. The compact, lightweight design slips into any bag pocket. 600 TBW endurance balances durability with affordability — suitable for regular use with room to spare. The 3-year warranty provides standard coverage for the expected lifespan of the drive.

Great for

  • A secondary game library for older or indie titles
  • Daily system backups (Time Machine, File History, or rsync)
  • Bootable recovery or OS installation media

This drive delivers SATA-class speeds over USB — adequate for documents, photos, and backups, but video editors should budget for a faster NVMe-based external.

SATA-based externals like the Seagate One Touch SSD Portable 1TB are the sensible choice when NVMe speed is overkill — the 550 MB/s ceiling is plenty for system backups, media playback, and document storage, and the savings are significant.

Who Should Buy the Seagate One Touch SSD Portable 1TB

The Seagate One Touch SSD Portable 1TB is a solid all-around 1TB portable SSD for everyday use. If you need fast backups, reliable file transport between devices, or external storage for documents, photos, and media, the 1,030 MB/s reads deliver performance that makes daily tasks feel instant compared to an external hard drive.

The 1TB capacity covers most daily workflows comfortably: system backups, a working photo library, a dozen game installs, or a collection of documents and media. If you need more space, higher-capacity variants of the same product line are worth considering.

The USB 3.2 Gen 2 interface means the Seagate One Touch SSD Portable 1TB hits full speed on virtually any modern USB-C or USB-A port — no special hardware required. Plug it into a laptop, desktop, game console, or tablet and you get the same 1,030 MB/s performance without compatibility concerns.

Real-World Performance

File Transfer Speeds

On paper, the Seagate One Touch SSD Portable 1TB delivers 1,030 MB/s reads and 1,030 MB/s writes. In practice, a 50GB file — a typical 4K video project, a large game install, or a full photo shoot — transfers in ~49 seconds. A 100GB batch of raw files moves in ~2 minutes. For users who regularly shuttle large files, these transfer times are a meaningful productivity improvement over slower SATA-based externals that take 3-5x longer for the same tasks.

What "Speed" Actually Means for Daily Use

Sequential read and write speeds — the numbers manufacturers advertise — matter most when transferring single large files. For everyday tasks like opening documents, browsing photos, running applications from the drive, or loading games, random 4K performance is more relevant. All NVMe-based external SSDs deliver random IOPS in the same general range, so the $Seagate One Touch SSD Portable 1TB feels similarly responsive to other fast portables for daily use. The real differentiator shows up during large file transfers, where the $1,030 MB/s read speed pulls noticeably ahead of slower SATA-based externals.

Endurance and Longevity

The $Seagate One Touch SSD Portable 1TB is rated for $600 TBW (terabytes written) endurance. To put that in perspective: if you write 50GB per day — an aggressive daily workload for most users — the drive would take approximately $33 years to reach its endurance limit. For typical use patterns involving backups, file transfers, and game storage, the $600 TBW rating provides comfortable headroom well beyond the $3-year warranty period.

Seagate One Touch SSD Portable 1TB vs Samsung T7 Portable 2TB

Spec Seagate One Touch SSD Portable 1TB Samsung T7 Portable 2TB
Read Speed 1,030 MB/s 1,050 MB/s
Write Speed 1,030 MB/s 1,000 MB/s
Capacity 1TB 2TB
Interface USB 3.2 Gen 2 USB 3.2 Gen 2
Endurance 600 TBW 1,200 TBW
Score 7.7/10 9.4/10

The Samsung T7 Portable 2TB scores higher in our evaluation (9.4 vs 7.7/10). It also delivers faster reads (1,050 vs 1,030 MB/s).

For a detailed head-to-head comparison, see our full Seagate One Touch SSD Portable 1TB vs Samsung T7 Portable 2TB comparison.

How Seagate One Touch SSD Portable 1TB 1TB Compares

Model Capacity Interface Read Write TBW
Seagate One Touch SSD Portable 1TB 1TB USB 3.2 Gen 2 1,030 1,030 600
Samsung T7 Portable 2TB 2TB USB 3.2 Gen 2 1,050 1,000 1,200
Samsung T7 Portable 4TB 4TB USB 3.2 Gen 2 1,050 1,000 2,400
Samsung T7 Portable SSD 1TB USB 3.2 Gen 2 1,050 1,000 580

Specs shown for the closest Ultra-Portable SSDs alternatives. Full comparison table available on the compare page.

Also available in Seagate One Touch

The Seagate One Touch comes in multiple capacities. Smaller sizes save money if you do not need the headroom; larger sizes drop the cost-per-TB for media libraries and Time Machine backups.

More Seagate SSDs

View all →

Seagate

Seagate FireCuda Gaming SSD Portable 4TB

8.5/10
Capacity 4TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

View Full Specs →

Seagate

Seagate FireCuda Gaming SSD Portable 2TB

8.4/10
Capacity 2TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

View Full Specs →

Seagate

Seagate FireCuda Gaming SSD Portable 1TB

8.3/10
Capacity 1TB
Interface USB 3.2 Gen 2
Read Speed 2000 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

View Full Specs →

Seagate

Seagate One Touch SSD Portable 2TB

7.8/10
Capacity 2TB
Interface USB 3.2 Gen 2
Read Speed 1030 MB/s
See Price on Amazon →

Price as of Aug 3, 2026, 6:33 PM. Prices and availability are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.

View Full Specs →

Featured In

Check on Amazon →

Quick Specs

Read Speed 1030 MB/s
Write Speed 1030 MB/s

More from Seagate

All Seagate SSDs