Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Samsung T9 Portable SSD 2TB USB 3.2 Gen 2
What Buyers Say
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
The WD Black SN850X is highly praised for its blazing speed, reliability, and value, often compared favorably to pricier alternatives like Samsung and Solidigm. Users report excellent performance in gaming (especially PS5) and general use, with a few concerns about potential issues mitigated by firmware updates. Overall, it's seen as a top-tier NVMe drive, especially when on sale.
Pros
- Blazing fast speeds
- Excellent value for money
- Reliable high-capacity storage
- Great for PS5
- Easy installation
Cons
- Potential firmware issues
- No heatsink included
- Pricey when not on sale
Samsung T9 Portable SSD 2TB USB 3.2 Gen 2
Users are overwhelmingly positive about the Samsung T9 SSD, praising its blazing-fast speeds, portability, and durability. It's highly recommended for photographers, gamers, and general storage needs, with many noting it's reliable for backups and large file transfers. The only minor hesitation mentioned is the price, though some found refurbished options at a better value.
Pros
- Blazing fast speeds
- Portable and compact
- Durable build
- Reliable for backups
- Easy Mac compatibility
Cons
- High price
- Pricey for new units
Scores
Specifications
| Western Digital Black SN850X | Samsung T9 Portable SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | External |
| Interface | PCIe 4.0 x4 | USB 3.2 Gen 2 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | — |
| External | ✗ | ✓ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | MLC★ |
| DRAM Cache | ✓★ | ✗ |
| Controller | WD 20-82-20035-B1 | — |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | ✗ | — |
| Hardware Encryption | ✗ | ✓★ |
Pros & Cons
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (95th percentile)95th %ile
- Strong social proof (95th percentile)95th %ile
- Strong user sentiment (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (11th percentile)11th %ile
Samsung T9 Portable SSD 2TB USB 3.2 Gen 2
- Strong social proof (95th percentile)95th %ile
- Strong user sentiment (94th percentile)94th %ile
- Strong feature (86th percentile)86th %ile
- Strong capacity (78th percentile)
- Below average affordability (20th percentile)20th %ile
Verdict
Scores 100 overall, wins 5 of 6 usage categories and 9 of 18 specs.