Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
LEVEN JS600 4TB SATA III 2.5"
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
LEVEN JS600 4TB SATA III 2.5"
The Leven SSD receives mixed feedback. While many users praise its speed, value, and ease of installation, several report reliability issues, including drives failing within a year or arriving defective. The manufacturer's responsive customer service and replacements have improved some users' opinions, but the risk of failure remains a concern.
Pros
- Fast read/write speeds
- Good value for price
- Easy installation
- Responsive customer service
- Lightweight and durable
Cons
- Reliability issues
- Drive failures within a year
- Defective units out of box
- Overheating problems
- Data loss risk
Scores
Specifications
| Western Digital Black SN850X | LEVEN JS600 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | 2.5" |
| Interface | PCIe 4.0 x4 | SATA III |
| Protocol | NVMe | SATA |
| 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★ | — |
| DRAM Cache | ✓★ | — |
| Controller | WD 20-82-20035-B1 | — |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | ||
| Warranty (years) | 5★ | 3 |
| 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
- Below average affordability (11th percentile)11th %ile
LEVEN JS600 4TB SATA III 2.5"
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (0th percentile)0th %ile
- Below average feature (15th percentile)15th %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average random (22nd percentile)
Verdict
Scores 100 overall, wins 6 of 6 usage categories and 9 of 18 specs.