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SanDisk
Model: SDSSDE61-1T00
| Capacity | 1TB |
| Interface | USB 3.2 Gen 2 |
| Form Factor | External |
| Read Speed | 1,050 MB/s |
| Write Speed | 1,000 MB/s |
| Endurance (TBW) | 500 TB |
| Warranty | 3 Years |
Rugged, reliable portable storage with IP55 rating. Built for adventure with a convenient loop design.
See how it stacks up against competitors in our Rugged Portable SSDs SSD comparison, or browse related SSD buying guides.
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1.0TB of 1.1 GB/s rugged storage — the SanDisk SanDisk Extreme Portable SSD is built for the field, not just the desk.
Unlike bare internal drives or fragile externals, the SanDisk Extreme Portable SSD is engineered for the field. Drop-tested and sealed against dust and water ingress, it survives the bumps of daily commuting, coffee shop tables, and outdoor shoots.
Despite its tough exterior, the SanDisk Extreme Portable SSD delivers 1.1 GB/s reads and 1.0 GB/s writes — you do not have to sacrifice speed for durability. 500 TBW endurance balances durability with affordability — suitable for regular use with room to spare. Backed by a 3-year warranty, this drive offers typical protection for its class.
1.0TB of rugged, pocket-sized storage means less time worrying about your gear and more time focused on your work.
The SanDisk Extreme Portable SSD is built for people who need storage that goes where they go. If you work outdoors, travel frequently, or simply want a drive that survives the daily commute without a protective case, this is one of the strongest options in the 1.0TB portable SSD category.
The 1.0TB 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 SanDisk Extreme Portable SSD 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 1,050 MB/s performance without compatibility concerns.
On paper, the SanDisk Extreme Portable SSD delivers 1,050 MB/s reads and 1,000 MB/s writes. In practice, a 50GB file — a typical 4K video project, a large game install, or a full photo shoot — transfers in ~50 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 1,050 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 SanDisk Extreme Portable SSD is rated for 500 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 27 years to reach its endurance limit. For typical use patterns involving backups, file transfers, and game storage, the 500 TBW rating provides comfortable headroom well beyond the 3-year warranty period.
| Spec | SanDisk Extreme Portable SSD | Samsung T7 Shield Portable 4TB |
|---|---|---|
| Read Speed | 1,050 MB/s | 1,050 MB/s |
| Write Speed | 1,000 MB/s | 1,000 MB/s |
| Capacity | 1.0TB | 4TB |
| Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2 |
| Endurance | 500 TBW | 2,400 TBW |
| Score | 8.7/10 | 9.4/10 |
The Samsung T7 Shield Portable 4TB scores higher in our evaluation (9.4 vs 8.7/10). While the SanDisk Extreme Portable SSD has lower scoring, it may offer advantages in other areas like value. Review the full specifications above before deciding.
For a detailed head-to-head comparison, see our full SanDisk Extreme Portable SSD vs Samsung T7 Shield Portable 4TB comparison.
| Model | Capacity | Interface | Read | Write | TBW |
|---|---|---|---|---|---|
| SanDisk Extreme Portable SSD | 1TB | USB 3.2 Gen 2 | 1,050 | 1,000 | 500 |
| Samsung T7 Shield Portable 4TB | 4TB | USB 3.2 Gen 2 | 1,050 | 1,000 | 2,400 |
| Samsung T7 Shield Portable 2TB | 2TB | USB 3.2 Gen 2 | 1,050 | 1,000 | 1,200 |
| SanDisk Extreme Pro Portable 4TB | 4TB | USB 3.2 Gen 2 | 1,050 | 1,000 | 2,400 |
Specs shown for the closest Rugged Portable SSDs alternatives. Full comparison table available on the compare page.
The SanDisk Extreme 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.
SanDisk
Price as of Jul 3, 2026, 4:11 AM. 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.
SanDisk
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.
SanDisk
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.
SanDisk
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.