SIX X15000 11 2TB PCIe 5.0 x4 NVMe M.2 2280
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
What Buyers Say
SIX X15000 11 2TB PCIe 5.0 x4 NVMe M.2 2280
Users are overwhelmingly positive about the SIX X15000 Gen5x4 SSD, praising its blazing-fast speeds that eliminate load times and accelerate creative workflows. While most reviews are brief and enthusiastic, a few mention concerns about long-term reliability and the lack of a manufacturer's page for firmware updates. Overall, it's seen as a high-performance, worthwhile upgrade for gaming and professional use.
Pros
- Blazing-fast read/write speeds
- Eliminates load times in games
- Accelerates creative workflows
- Recognized by major motherboards
- Good value for performance
Cons
- Lack of manufacturer's page for firmware
- Long-term reliability uncertain
- Price may increase
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Specifications
| SIX X15000 11 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 5★ | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✓★ |
| Controller | 6nm controller | — |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✓ | ✓ |
Pros & Cons
SIX X15000 11 2TB PCIe 5.0 x4 NVMe M.2 2280
- Strong speed (99th percentile)99th %ile
- Strong random (99th percentile)99th %ile
- Strong feature (86th percentile)86th %ile
- Strong user sentiment (80th percentile)80th %ile
- Below average affordability (21st percentile)
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
Pricing
SIX X15000 11 2TB PCIe 5.0 x4 NVMe M.2 2280 offers 1.7x better value for money
SIX X15000 11 2TB PCIe 5.0 x4 NVMe M.2 2280
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Verdict
Scores 94 overall, wins 6 of 6 usage categories and 4 of 17 specs.