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Seagate
Model: STFS4000400
| Capacity | 4TB |
| Interface | USB 3.2 Gen 2 |
| Form Factor | External |
| Read Speed | 2,000 MB/s |
| Write Speed | 2,000 MB/s |
| Endurance (TBW) | 2,400 TB |
| Warranty | 5 Years |
The 4TB FireCuda is the biggest Seagate portable SSD — a Gen 2x2 RGB drive sized for entire game-library overflow. The 5-year warranty and included Rescue plan are real value-adds at this capacity.
See how it stacks up against competitors in our Gaming External SSDs SSD comparison, or browse related SSD buying guides.
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Game storage expanded: 4TB, 2.0 GB/s NVMe, and console-ready. The Seagate FireCuda Gaming SSD 4TB loads games fast and holds dozens of titles.
Game storage with 2.0 GB/s reads and 2.0 GB/s writes cuts load times dramatically compared to HDDs. Open-world games benefit most — assets stream in faster, reducing texture pop-in and stutter.
Roughly 50-100 AAA games fit on 4TB — enough to keep your current rotation installed without juggling uninstalls every time a new title drops.
This drive's throughput surpasses the USB bandwidth threshold most consoles can leverage. In practice, load times will be faster than any HDD but capped by the console's USB controller.
An NVMe-based external like this one still beats SATA-based externals for console use — expect 2-3x faster level loading and asset streaming compared to a SATA USB drive, even over the same USB interface.
The Seagate FireCuda Gaming SSD 4TB 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 2,000 MB/s read speed puts this drive in elite territory for a 4TB portable SSD.
At 4TB, 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 FireCuda Gaming SSD 4TB 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 2,000 MB/s performance without compatibility concerns.
On paper, the Seagate FireCuda Gaming SSD 4TB delivers 2,000 MB/s reads and 2,000 MB/s writes. In practice, a 50GB file — a typical 4K video project, a large game install, or a full photo shoot — transfers in ~25 seconds. A 100GB batch of raw files moves in ~50 seconds. 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 2,000 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 FireCuda Gaming SSD 4TB is rated for 2,400 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 132 years to reach its endurance limit. For typical use patterns involving backups, file transfers, and game storage, the 2,400 TBW rating provides comfortable headroom well beyond the 5-year warranty period.
| Spec | Seagate FireCuda Gaming SSD 4TB | Seagate FireCuda External USB-C |
|---|---|---|
| Read Speed | 2,000 MB/s | 1,030 MB/s |
| Write Speed | 2,000 MB/s | 1,030 MB/s |
| Capacity | 4TB | 2TB |
| Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2 |
| Endurance | 2,400 TBW | 700 TBW |
| Score | 8.5/10 | 8.8/10 |
The Seagate FireCuda External USB-C scores higher in our evaluation (8.8 vs 8.5/10). While the Seagate FireCuda Gaming SSD 4TB has lower scoring, it may offer advantages in other areas like endurance. Review the full specifications above before deciding.
For a detailed head-to-head comparison, see our full Seagate FireCuda Gaming SSD 4TB vs Seagate FireCuda External USB-C comparison.
| Model | Capacity | Interface | Read | Write | TBW |
|---|---|---|---|---|---|
| Seagate FireCuda Gaming SSD 4TB | 4TB | USB 3.2 Gen 2 | 2,000 | 2,000 | 2,400 |
| Seagate FireCuda External USB-C | 2TB | USB 3.2 Gen 2 | 1,030 | 1,030 | 700 |
| WD Black P50 Game Drive SSD 4TB | 4TB | USB 3.2 Gen 2 | 2,000 | 2,000 | 2,400 |
| WD Black P50 Game Drive SSD 2TB | 2TB | USB 3.2 Gen 2 | 2,000 | 2,000 | 1,200 |
Specs shown for the closest Gaming External SSDs alternatives. Full comparison table available on the compare page.
The Seagate FireCuda 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 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.
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.