Western Digital WD_BLACK SN8100
SanDisk Optimus GX 7100
What Buyers Say
Western Digital WD_BLACK SN8100
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')
SanDisk Optimus GX 7100
Users are very satisfied with this Sandisk SSD, praising its speed, reliability, and compact size. One user highlighted its role as a backup for important files, while another noted it fixed a failing NVMe drive. The only minor complaint involves the lengthy Geek Squad installation process, but the product itself performs well.
Pros
- Fast performance
- Reliable backup
- Compact size
- Works well in hot chassis
- Easy to install
Cons
- Long Geek Squad installation process
- Short cable vulnerability
- No issues reported
Scores
Specifications
| Western Digital WD_BLACK SN8100 | SanDisk Optimus GX 7100 | |
|---|---|---|
| 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 | TLC |
| 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 GX 7100
- Strong random (96th percentile)96th %ile
- Strong speed (91st percentile)91st %ile
- Strong endurance (88th percentile)88th %ile
- Strong user sentiment (78th percentile)
- Below average capacity (26th percentile)
Pricing
SanDisk Optimus GX 7100 offers 1.8x better value for money
Verdict
Scores 87 overall, wins 6 of 6 usage categories and 8 of 17 specs.