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
Model: STKS5000400
| Capacity | 500GB |
| Interface | USB 3.2 Gen 2 |
| Form Factor | External |
| Read Speed | 1,030 MB/s |
| Write Speed | 1,030 MB/s |
| Endurance (TBW) | 300 TB |
| Warranty | 3 Years |
A 500GB One Touch is Seagate's bottom-of-line portable SSD — usually the cheapest brand-name Gen 2 1TB-and-below portable at retail. The bundle includes Rescue data recovery (extending Seagate's warranty protection into physical damage recovery).
See how it stacks up against competitors in our Ultra-Portable SSDs SSD comparison, or browse related SSD buying guides.
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.
The Seagate One Touch SSD Portable 500GB: 500GB, 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.
With 1.0 GB/s reads and 1.0 GB/s writes over a USB-C connection, the Seagate One Touch SSD Portable 500GB delivers reliable performance for daily computing needs. Backing up documents, transferring photos from a laptop to a desktop, or storing a media library — it handles routine tasks with consistent speed.
500GB of storage provides generous headroom for everyday files. The compact, lightweight design slips into any bag pocket. 300 TBW endurance is sufficient for typical use — regular backups, file transfers, and everyday computing. The 3-year warranty provides standard coverage for the expected lifespan of the drive.
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.
SATA-based externals like the Seagate One Touch SSD Portable 500GB 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.
The Seagate One Touch SSD Portable 500GB is a solid all-around 500GB 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.
At 500GB, this drive works best as a secondary transport drive or backup destination rather than a primary storage solution. It holds a focused working set of files — a project folder, a photo shoot, or a selection of games — without the bulk of higher-capacity alternatives.
The USB 3.2 Gen 2 interface means the Seagate One Touch SSD Portable 500GB 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 500GB 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.
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 500GB 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.
The $Seagate One Touch SSD Portable 500GB is rated for $300 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 $16 years to reach its endurance limit. For typical use patterns involving backups, file transfers, and game storage, the $300 TBW rating provides comfortable headroom well beyond the $3-year warranty period.
| Spec | Seagate One Touch SSD Portable 500GB | 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 | 500GB | 2TB |
| Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2 |
| Endurance | 300 TBW | 1,200 TBW |
| Score | 7.5/10 | 9.4/10 |
The Samsung T7 Portable 2TB scores higher in our evaluation (9.4 vs 7.5/10). 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 500GB vs Samsung T7 Portable 2TB comparison.
| Model | Capacity | Interface | Read | Write | TBW |
|---|---|---|---|---|---|
| Seagate One Touch SSD Portable 500GB | 500GB | USB 3.2 Gen 2 | 1,030 | 1,030 | 300 |
| 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.