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Seagate
Model: STKS2000400
| Capacity | 2TB |
| Interface | USB 3.2 Gen 2 |
| Form Factor | External |
| Read Speed | 1,030 MB/s |
| Write Speed | 1,030 MB/s |
| Endurance (TBW) | 1,200 TB |
| Warranty | 3 Years |
The 2TB One Touch is the realistic minimum for game-library cold storage and Time Machine backups at typical Seagate sale pricing. The larger die stack holds the rated 1030 MB/s write distinctly longer than the 1TB variant before SLC cache exhausts.
See how it stacks up against competitors in our Ultra-Portable SSDs SSD comparison, or browse related SSD buying guides.
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The Seagate One Touch SSD Portable 2TB: 2TB, 1.0 GB/s reads, 1.0 GB/s writes, and a price that makes it an easy choice for daily backups and file transport.
At 1.0 GB/s reads and 1.0 GB/s writes, the Seagate One Touch SSD Portable 2TB is not trying to set speed records — it is trying to be the drive you reach for every day. And it succeeds: fast enough for backups and file transfers, cheap enough to buy without thinking twice.
2TB of storage provides generous headroom for everyday files. The compact, lightweight design slips into any bag pocket. With 1,200 TBW, this is pro-grade endurance designed for sustained professional workloads. The 3-year warranty provides standard coverage for the expected lifespan of the drive.
With 2TB of space, this drive doubles as both active project storage and a backup destination. The cost-per-GB at this capacity makes it practical for media libraries.
1.0 GB/s over USB 3.2 Gen 2 corresponds to roughly SATA SSD performance: fast for everyday use, but not built for 4K+ video editing directly from the drive.
1.0 GB/s reads are typical of a SATA SSD in an external enclosure — noticeably faster than any external HDD, yet well below the speed of Gen 2×2 or Thunderbolt drives. For most daily tasks, this is more than enough.
The Seagate One Touch SSD Portable 2TB targets users who need maximum throughput from an external drive. If you edit 4K or 6K video, move large project files between workstations, or work directly from external storage, the 1,030 MB/s read speed puts this drive in elite territory for a 2TB portable SSD.
At 2TB, this drive hits the sweet spot for users with substantial storage needs. Photo and video libraries, game collections, and professional project files all benefit from the headroom — you will not be juggling free space or swapping files between drives.
The USB 3.2 Gen 2 interface means the Seagate One Touch SSD Portable 2TB 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.
On paper, the Seagate One Touch SSD Portable 2TB 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. Note: those numbers describe large sequential transfers — everyday tasks (opening documents, app launches, game loads) feel equally fast across all NVMe portables because random 4K performance is similar drive-to-drive.
At 1,030 MB/s, thermal throttling is minimal during typical use. Only sustained sequential writes exceeding 100GB — such as backing up an entire media library in one pass — may cause the controller to reduce speeds temporarily. For everyday transfers and backups, you will consistently see performance near the rated specifications.
The Seagate One Touch SSD Portable 2TB is rated for 1,200 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 66 years to reach its endurance limit. For typical use patterns involving backups, file transfers, and game storage, the 1,200 TBW rating provides comfortable headroom well beyond the 3-year warranty period.
| Spec | Seagate One Touch SSD Portable 2TB | 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 | 2TB | 2TB |
| Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2 |
| Endurance | 1,200 TBW | 1,200 TBW |
| Score | 7.8/10 | 9.4/10 |
The Samsung T7 Portable 2TB scores higher in our evaluation (9.4 vs 7.8/10). 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 2TB vs Samsung T7 Portable 2TB comparison.
| Model | Capacity | Interface | Read | Write | TBW |
|---|---|---|---|---|---|
| Seagate One Touch SSD Portable 2TB | 2TB | USB 3.2 Gen 2 | 1,030 | 1,030 | 1,200 |
| 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.
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.
Seagate
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.
Seagate
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.
Seagate
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.
Seagate
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.