Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
vs
Samsung 970 PRO 512GB PCIe 3.0 x4 NVMe M.2 2280
Samsung
70 Overall Score
What Buyers Say
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Samsung 970 PRO 512GB PCIe 3.0 x4 NVMe M.2 2280
92 out of 100 low confidence 8 reviews
Users are overwhelmingly positive about this Samsung 970 Pro NVMe M.2 drive, praising its exceptional speed and performance compared to SATA SSDs. It works out of the box without formatting and is considered a great value at its price point. Some users noted that boot times were unchanged, but overall it's highly recommended.
Pros
- Exceptional speed
- Works out of the box
- Great value for money
- High quality build
- Easy installation
Cons
- Boot times unchanged
- Tracking number not provided
Speed 5
Value for money 2
Ease of installation 2
Build quality 2
Boot time 1
Customer service 1
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | Samsung 970 PRO | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 3.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | MLC★ |
| DRAM Cache | ✓ | ✓ |
| Controller | — | Samsung Phoenix |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓★ | ✗ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
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
Samsung 970 PRO 512GB PCIe 3.0 x4 NVMe M.2 2280
- Strong feature (98th percentile)98th %ile
- Strong endurance (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong random (85th percentile)85th %ile
- Below average affordability (22nd percentile)
- Below average capacity (35th percentile)
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 6 of 6 usage categories and 9 of 18 specs.