Western Digital WD Black SN850X
Samsung 9100 Pro
What Buyers Say
Western Digital WD Black SN850X
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 9100 Pro
The Samsung 9100 Pro 2TB is widely praised for its blazing PCIe 5.0 speeds, especially in data transfers and heavy workloads, with users noting it competes with the fastest drives on the market. While most reviewers are highly satisfied, some mention that the speed boost over PCIe 4.0 drives may not be noticeable in everyday tasks or gaming, and the lack of an included heatsink is a common concern. Overall, it's seen as a premium, reliable choice for high-end systems, though not budget-friendly.
Pros
- Blazing PCIe 5.0 speeds
- Excellent data transfer performance
- Reliable Samsung quality
- Easy installation
- Good value compared to 990 Pro
Cons
- No included heatsink
- Speed gain over PCIe 4.0 not noticeable in daily tasks
- Not budget-friendly
- Requires PCIe 5.0 support for full speed
Scores
Specifications
| Western Digital WD Black SN850X | Samsung 9100 Pro | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 5★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓ | ✓ |
| Controller | — | Samsung in-house Controller |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓ | ✓ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
Western Digital WD Black SN850X
- Strong social proof (95th percentile)95th %ile
- Strong random (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
Samsung 9100 Pro
- Strong feature (100th percentile)100th %ile
- Strong social proof (100th percentile)100th %ile
- Strong speed (99th percentile)99th %ile
- Strong random (99th percentile)99th %ile
Verdict
Scores 99 overall, wins 0 of 6 usage categories and 3 of 18 specs.