Samsung 850 PRO 128GB SATA III 2.5"
Samsung
53 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
What Buyers Say
Samsung 850 PRO 128GB SATA III 2.5"
88 out of 100 medium confidence 17 reviews
Users are overwhelmingly positive about this SSD, praising its speed and easy installation. Many note dramatic boot time improvements and fast app loading. Some caution about Samsung Magician's RAPID mode and firmware updates, but overall satisfaction is high.
Pros
- Blazing fast speed
- Easy installation
- Dramatic boot time improvement
- Reliable performance
- Good cloning software included
Cons
- RAPID mode can cause OS issues
- Firmware update risks
- Limited capacity for some users
- No mounting bracket included
Speed 6
Installation ease 4
Software issues 3
Capacity 3
Compatibility 4
Value for money 2
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Samsung 850 PRO | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | 2.5" | M.2 2280 |
| Interface | SATA III | PCIe 4.0 x4 |
| Protocol | SATA | NVMe |
| PCIe Generation | — | 4★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓ | ✓ |
| Controller | Samsung MEX Controller | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 10★ | 3 |
| Features | ||
| Heatsink | — | ✓★ |
| Hardware Encryption | ✓★ | — |
Pros & Cons
Samsung 850 PRO 128GB SATA III 2.5"
- Strong endurance (94th percentile)94th %ile
- Strong feature (94th percentile)94th %ile
- Strong affordability (83rd percentile)83rd %ile
- Strong user sentiment (79th percentile)
- Below average capacity (7th percentile)7th %ile
- Below average speed (24th 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
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 6 of 6 usage categories and 8 of 18 specs.