Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
VisionTek DLX4 1TB PCIe 4.0 x4 NVMe M.2 2230
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
VisionTek DLX4 1TB PCIe 4.0 x4 NVMe M.2 2230
The SSD offers strong security features with TCG Opal and AES encryption, and is built to withstand shocks and vibrations. It delivers fast sequential read/write speeds and has low power consumption, making it efficient. However, compatibility with M.2 slots may vary, so users should verify their device's specifications.
Pros
- Strong encryption support
- Shock and vibration resistant
- Fast sequential speeds
- Low power consumption
Cons
- Potential M.2 compatibility issues
Scores
Specifications
| Western Digital Black SN850X | VisionTek DLX4 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2230 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓★ | ✗ |
| Controller | WD 20-82-20035-B1 | Innogrit IG5220 |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 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 (95th percentile)95th %ile
- Strong capacity (93rd percentile)93rd %ile
VisionTek DLX4 1TB PCIe 4.0 x4 NVMe M.2 2230
- Strong random (79th percentile)
- Strong feature (79th percentile)
- Strong speed (74th percentile)
- Strong endurance (67th percentile)
- Below average social proof (16th percentile)16th %ile
Verdict
Scores 100 overall, wins 6 of 6 usage categories and 9 of 18 specs.