KD-BOX 2 vs SealMiner A3 Air
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 400 W | 3640 W | |
| Release | 2022-12 | 2025-09 | |
| Best opportunity |  BTCNetwork | ||
| Profit/day | $4.12 | ||
| Score | 74/100 | ||
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | KD-BOX 2 | SealMiner A3 Air | |
|---|---|---|---|
| Blake (2s-Kadena) | 3.5 TH/s260 W · 13.46 GH/s/W | not supported | |
| Blake (2s) | 5 TH/s400 W · 12.5 GH/s/W | not supported | |
| SHA-256 | not supported | 260 TH/s3640 W · 71.43 GH/s/W |