Western Digital WD_BLACK SN8100
Western Digital
87 Overall Score
vs
SanDisk Optimus 5100
SanDisk
70 Overall Score
What Buyers Say
Western Digital WD_BLACK SN8100
95 out of 100 low confidence 9 reviews
All seven verified reviews are overwhelmingly positive, praising the WD_BLACK SN8100 as the fastest Gen5 NVMe SSD with no issues. Users highlight its sustained speeds, strong performance on PCIe 5.0 motherboards, and good value at the time of purchase. One reviewer notes it outlasts other drives in cache performance, and Q&A confirms M.2 2280 form factor with up to 14,900 MBps read speed.
Pros
- Fastest Gen5 NVMe SSD
- No issues of any kind
- Super fast on PCIe 5.0
- Strong sustained speeds
- Good price at time of purchase
Cons
- Expensive (implied by 'if you can afford it')
Performance speed 7
Reliability 2
Value for money 2
Cache performance 1
Compatibility pcie5 1
Price affordability 1
SanDisk Optimus 5100
No customer feedback yet
Scores
Workstation
Laptop
Gaming
Console
Budget
Portable
Specifications
| Western Digital WD_BLACK SN8100 | SanDisk Optimus 5100 | |
|---|---|---|
| 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★ | QLC |
| DRAM Cache | ✓★ | ✗ |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✗ | ✗ |
| Hardware Encryption | ✗ | ✗ |
Pros & Cons
Western Digital WD_BLACK SN8100
- Strong user sentiment (100th percentile)100th %ile
- Strong speed (100th percentile)100th %ile
- Strong random (99th percentile)99th %ile
- Strong endurance (98th percentile)98th %ile
- Below average social proof (7th percentile)7th %ile
SanDisk Optimus 5100
- Strong endurance (98th percentile)98th %ile
- Strong social proof (91st percentile)91st %ile
- Strong random (91st percentile)91st %ile
- Strong speed (86th percentile)86th %ile
- Below average feature (14th percentile)14th %ile
- Below average capacity (26th percentile)
Pricing
Western Digital WD_BLACK SN81000.348score per dollar
vs
SanDisk Optimus 51000.632score per dollar
SanDisk Optimus 5100 offers 1.8x better value for money
Verdict
Winner: Western Digital WD_BLACK SN8100
Scores 87 overall, wins 6 of 6 usage categories and 9 of 17 specs.
