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Western Digital
Model: WDBNAJ0010BBK
| Capacity | 1TB |
| Interface | USB 3.2 Gen 2 |
| Form Factor | External |
| Read Speed | 2,000 MB/s |
| Write Speed | 2,000 MB/s |
| Endurance (TBW) | 600 TB |
| Warranty | 5 Years |
A Gen 2x2 portable aimed squarely at PS5/Xbox cold-library expansion. The Black P50 has a 5-year warranty — best in its tier. RGB-free compared to the Seagate FireCuda — preferred by buyers who don't want gaming-aesthetic drives.
See how it stacks up against competitors in our High-Speed Portable SSDs SSD comparison, or browse related SSD buying guides.
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The Western Digital WD Black P50 Game Drive SSD Portable 1TB adds 1TB of 2.0 GB/s NVMe game storage — plug, format, and start downloading.
With 2.0 GB/s reads and 2.0 GB/s writes, the WD Black P50 Game Drive SSD Portable 1TB delivers load times that rival internal SSDs. Open-world asset streaming, fast travel, and level transitions all benefit from the jump over traditional HDD external storage.
1TB translates to about 12-25 modern game installs. That's Call of Duty, Fortnite, your RPG of the month, and still room for a dozen indies.
With read speeds exceeding 1500 MB/s, this drive exceeds what most consoles can fully utilize over USB — you'll see internal-SSD-like load times for backward-compatible and optimized titles.
External USB drives work for playing Xbox and PlayStation games, but native internal NVMe storage is still required for Velocity Architecture and DirectStorage optimizations on some titles.
The WD Black P50 Game Drive SSD Portable 1TB 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 1TB portable SSD.
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 WD Black P50 Game Drive SSD 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 2,000 MB/s performance without compatibility concerns.
On paper, the WD Black P50 Game Drive SSD Portable 1TB 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.
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.
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 $WD Black P50 Game Drive SSD Portable 1TB feels similarly responsive to other fast portables for daily use. The real differentiator shows up during large file transfers, where the $2,000 MB/s read speed pulls noticeably ahead of slower SATA-based externals.
The $WD Black P50 Game Drive SSD 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 | WD Black P50 Game Drive SSD Portable 1TB | Samsung T9 Portable SSD |
|---|---|---|
| Read Speed | 2,000 MB/s | 2,000 MB/s |
| Write Speed | 2,000 MB/s | 1,950 MB/s |
| Capacity | 1TB | 1TB |
| Interface | USB 3.2 Gen 2 | USB 3.2 Gen 2x2 |
| Endurance | 600 TBW | 600 TBW |
| Score | 8.5/10 | 9.6/10 |
The Samsung T9 Portable SSD scores higher in our evaluation (9.6 vs 8.5/10). While the WD Black P50 Game Drive SSD Portable 1TB 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 WD Black P50 Game Drive SSD Portable 1TB vs Samsung T9 Portable SSD comparison.
| Model | Capacity | Interface | Read | Write | TBW |
|---|---|---|---|---|---|
| WD Black P50 Game Drive SSD Portable 1TB | 1TB | USB 3.2 Gen 2 | 2,000 | 2,000 | 600 |
| Samsung T9 Portable SSD | 1TB | USB 3.2 Gen 2x2 | 2,000 | 1,950 | 600 |
| Samsung T9 Portable 4TB | 4TB | USB 3.2 Gen 2x2 | 2,000 | 2,000 | 2,400 |
| Crucial X10 Pro Portable 4TB | 4TB | USB 3.2 Gen 2x2 | 2,000 | 2,000 | 2,400 |
Specs shown for the closest High-Speed Portable SSDs alternatives. Full comparison table available on the compare page.
The WD Black P50 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.
Western Digital
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.
Western Digital
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.
Western Digital
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.
Western Digital
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.