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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) | 600 TB |
| Warranty | 5 Years |
A 1050 MB/s portable SSD in an aluminum-and-rubber body with an IP55 dust/water rating. The Extreme Pro is the ruggedized competitor to the Samsung T7 Shield — headlining a 5-year warranty where Samsung offers 3, and including both USB-C-to-C and USB-C-to-A cables.
See how it stacks up against competitors in our USB-C External SSDs SSD comparison, or browse related SSD buying guides.
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Rugged, portable, and 1.1 GB/s fast: the SanDisk Extreme Pro Portable 1TB protects 1TB of data through whatever the day throws at it.
Built for the field and weather-sealed, the SanDisk Extreme Pro Portable 1TB shrugs off what would ruin a standard external drive. Rain, dust, drops from pocket height — this drive keeps your data safe when conditions get rough.
Durability meets performance: 1.1 GB/s reads and 1.0 GB/s writes in a package that survives drops and dunks. Most rugged drives at this price point cannot match these speeds. 600 TBW endurance covers moderate daily use across a multi-year lifespan. The 5-year warranty is well above the industry standard — a strong differentiator.
1TB of weather-sealed storage that fits in a pocket. The SanDisk Extreme Pro Portable 1TB goes where you go — no case required.
The SanDisk Extreme Pro Portable 1TB 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 1TB portable SSD category.
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 SanDisk Extreme Pro 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 1,050 MB/s performance without compatibility concerns.
On paper, the SanDisk Extreme Pro Portable 1TB 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 Pro 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 5-year warranty period.
| Spec | SanDisk Extreme Pro Portable 1TB | Samsung T9 2TB |
|---|---|---|
| Read Speed | 1,050 MB/s | 2,000 MB/s |
| Write Speed | 1,000 MB/s | 2,000 MB/s |
| Capacity | 1TB | 2TB |
| Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2x2 |
| Endurance | 600 TBW | 1,200 TBW |
| Score | 9.1/10 | 9.6/10 |
The Samsung T9 2TB scores higher in our evaluation (9.6 vs 9.1/10). It also delivers faster reads (2,000 vs 1,050 MB/s).
For a detailed head-to-head comparison, see our full SanDisk Extreme Pro Portable 1TB vs Samsung T9 2TB comparison.
| Model | Capacity | Interface | Read | Write | TBW |
|---|---|---|---|---|---|
| SanDisk Extreme Pro Portable 1TB | 1TB | USB 3.2 Gen 2 | 1,050 | 1,000 | 600 |
| Samsung T9 2TB | 2TB | USB 3.2 Gen 2x2 | 2,000 | 2,000 | 1,200 |
| Samsung T9 Portable SSD | 1TB | USB 3.2 Gen 2x2 | 2,000 | 1,950 | 600 |
| Crucial X10 Pro 2TB | 2TB | USB 3.2 Gen 2x2 | 2,000 | 2,000 | 1,200 |
Specs shown for the closest USB-C External SSDs alternatives. Full comparison table available on the compare page.
The SanDisk Extreme Pro 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, 5:43 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.