Western Digital WD_BLACK SN7100 2TB PCIe 4.0 x4 NVMe M.2 2280
Samsung 850 EVO 120GB SATA III 2.5"
What Buyers Say
Western Digital WD_BLACK SN7100 2TB PCIe 4.0 x4 NVMe M.2 2280
Users are overwhelmingly positive, praising the drive's easy setup, solid performance, and reliability as extra storage. A few note the price is high, but most consider it a worthwhile upgrade, especially for those with a 1TB SSD. The Q&A confirms it's a new, factory-sealed unit with warranty, but no heatsink is included.
Pros
- Easy setup
- Solid performance
- Reliable extra storage
- Good upgrade from 1TB SSD
- Fast shipment
Cons
- High price
- No heatsink included
Samsung 850 EVO 120GB SATA III 2.5"
Users generally appreciate the Samsung SSD for its performance and compatibility with both laptops and desktops, noting it works with SATA II and III. However, several mention the lack of included cables and mounting brackets, and some report cloning issues that required registry edits or a fresh install. Overall, it's seen as a solid upgrade, especially for OS drives, but buyers should plan for additional accessories and potential setup challenges.
Pros
- Fast performance
- Works with SATA II and III
- Compatible with laptops and desktops
- Good for OS drive
- Samsung Magician software
Cons
- No cables included
- No mounting bracket included
- Cloning issues
- Requires adapter for desktop
Scores
Specifications
| Western Digital WD_BLACK SN7100 | Samsung 850 EVO | |
|---|---|---|
| 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) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✓★ |
| Controller | WD Black SN7100 | Samsung MGX Controller |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | ✗ | — |
| Hardware Encryption | ✗ | ✓★ |
Pros & Cons
Western Digital WD_BLACK SN7100 2TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (100th percentile)100th %ile
- Strong random (96th percentile)96th %ile
- Strong speed (92nd percentile)92nd %ile
- Strong endurance (88th percentile)88th %ile
Samsung 850 EVO 120GB SATA III 2.5"
- Strong feature (94th percentile)94th %ile
- Strong social proof (87th percentile)87th %ile
- Strong endurance (76th percentile)
- Strong affordability (73rd percentile)
- Below average capacity (4th percentile)4th %ile
- Below average user sentiment (29th percentile)
- Below average speed (31st percentile)
Pricing
Samsung 850 EVO 120GB SATA III 2.5" offers 1.2x better value for money
Verdict
Scores 93 overall, wins 6 of 6 usage categories and 7 of 18 specs.
