Thewindminer K9 vs Dragonball KS6 Pro (10.5T)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Thewindminer K9 | Specification | Dragonball KS6 Pro (10.5T) |
|---|---|---|
| 10.3 TH/s | Hashrate | 10.5 TH/s |
| 3,300 W | Power Consumption | 3,600 W |
| 320.4 J/TH | Efficiency | 342.9 J/TH |
| — | Noise Level | 75 dB |
| 14.8 kg | Weight | 14.5 kg |
| 11,260 BTU/hr | BTU Output | 12,283 BTU/hr |
| 22/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Thewindminer | Manufacturer | Dragonball |
Profitability Comparison
Thewindminer K9
Dragonball KS6 Pro (10.5T)
Based on BTC price of $78,124 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Dragonball KS6 Pro (10.5T) wins on 4 of 6 factors (hashrate, home mining score, noise level, price-performance). Its biggest concrete edge: 2% more hashrate (10.3 vs 10.5 TH/s). That said, the Thewindminer K9 isn't beaten everywhere — it still wins efficiency and power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Thewindminer K9 and Dragonball KS6 Pro (10.5T) actually differ, with the gap quantified:
- Dragonball KS6 Pro (10.5T) 2% more hashrate (10.3 vs 10.5 TH/s)
- Thewindminer K9 8% better power draw (3,300 vs 3,600 W)
- Thewindminer K9 7% better efficiency (320 vs 343 J/TH)
- Dragonball KS6 Pro (10.5T) 2% better weight (14.8 vs 14.5 kg)
- Dragonball KS6 Pro (10.5T) 9% more heat output (11,260 vs 12,283 BTU/hr)
- Dragonball KS6 Pro (10.5T) 36% more home mining score (22.0 vs 30.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Thewindminer K9 | Metric | Dragonball KS6 Pro (10.5T) |
|---|---|---|
| $15,429 | Upfront cost (MSRP) | $5,540 |
| -$7.55 | Daily net profit | -$8.26 |
| -$18,185 | Net after 1 year | -$8,556 |
| -$20,941 | Net after 2 years | -$11,572 |
| -$23,696 | Net after 3 years | -$14,587 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Dragonball KS6 Pro (10.5T)Score: 30/100. 75 dB noise level.
Best for Efficiency
Thewindminer K9320.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Thewindminer K9 or Dragonball KS6 Pro (10.5T) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Thewindminer K9 is more profitable at $-7.55/day compared to $-8.26/day for the Dragonball KS6 Pro (10.5T). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Thewindminer K9 or the Dragonball KS6 Pro (10.5T) better for noise-sensitive spaces?
The Dragonball KS6 Pro (10.5T) is quieter at 75 dB compared to the Thewindminer K9 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Thewindminer K9 or the Dragonball KS6 Pro (10.5T)?
The Dragonball KS6 Pro (10.5T) scores 30/100 on our Home Mining Score (vs 22/100 for the Thewindminer K9). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Thewindminer K9 and Dragonball KS6 Pro (10.5T) on J/TH?
The Thewindminer K9 runs at 320.4 J/TH while the Dragonball KS6 Pro (10.5T) runs at 342.9 J/TH — a difference of 22.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 7% better efficiency (320 vs 343 J/TH).