Samsung PM9A1 1TB PCIe 3.0 x4 NVMe M.2
Samsung
46 Overall Score
vs
SanDisk WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280
SanDisk
90 Overall Score
What Buyers Say
Samsung PM9A1 1TB PCIe 3.0 x4 NVMe M.2
No customer feedback yet
SanDisk WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280
88 out of 100 medium confidence 12 reviews
The WD Black SN8100 is overwhelmingly praised for its blazing Gen5 speeds, with users reporting double the performance of previous Gen4 drives and boot times of just a few seconds. Reviewers highlight excellent heat management, easy installation, and reliability, though many note the high price as a significant drawback. Overall, it's seen as a top-tier upgrade for those with compatible hardware and budget.
Pros
- Blazing Gen5 speeds
- Excellent heat management
- Easy installation
- Reliable performance
- Great for gaming
Cons
- High price
- Requires Gen5 motherboard
- Pricey for many
Performance speed 12
Heat management 5
Value for money 6
Ease of installation 4
Reliability 4
Compatibility 3
Scores
Workstation
Gaming
Laptop
Console
Budget
Portable
Specifications
| Samsung PM9A1 | SanDisk WD_BLACK SN8100 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 5.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 3 | 5★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | — | TLC★ |
| Reliability | ||
| Endurance (TBW) | No data | |
| Warranty (years) | — | 5★ |
Pros & Cons
Samsung PM9A1 1TB PCIe 3.0 x4 NVMe M.2
- Strong random (86th percentile)86th %ile
- Below average feature (15th percentile)15th %ile
- Below average endurance (15th percentile)15th %ile
- Below average social proof (15th percentile)15th %ile
SanDisk WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 2280
- Strong speed (100th percentile)100th %ile
- Strong random (99th percentile)99th %ile
- Strong social proof (95th percentile)95th %ile
- Strong endurance (95th percentile)95th %ile
- Below average affordability (9th percentile)9th %ile
Pricing
Samsung PM9A1 1TB PCIe 3.0 x4 NVMe M.20.183score per dollar
vs
SanDisk WD_BLACK SN8100 4TB PCIe 5.0 x4 NVMe M.2 22800.105score per dollar
Samsung PM9A1 1TB PCIe 3.0 x4 NVMe M.2 offers 1.7x better value for money
Verdict
Winner: SanDisk WD_BLACK SN8100
Scores 90 overall, wins 6 of 6 usage categories and 9 of 13 specs.
