iBeLink K3 mini (3.5TH) vs Goldshell KD5 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| iBeLink K3 mini (3.5TH) | Specification | Goldshell KD5 Pro |
|---|---|---|
| 3.5 TH/s | Hashrate | 24.5 TH/s |
| 170 W | Power Consumption | 3,000 W |
| 48.6 J/TH | Efficiency | 122.5 J/TH |
| 35 dB | Noise Level | — |
| 2.2 kg | Weight | 8,500.0 kg |
| 580 BTU/hr | BTU Output | 10,236 BTU/hr |
| 68/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| iBeLink | Manufacturer | Goldshell |
Profitability Comparison
iBeLink K3 mini (3.5TH)
Goldshell KD5 Pro
Based on BTC price of $78,257 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the iBeLink K3 mini (3.5TH), which leads on 4 of 5 weighted factors (efficiency, power consumption, home mining score, noise level). Its biggest concrete edge: 94% better power draw (170 vs 3,000 W). That said, the Goldshell KD5 Pro isn't beaten everywhere — it still wins hashrate. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the iBeLink K3 mini (3.5TH) and Goldshell KD5 Pro sit on each measurable spec:
- Goldshell KD5 Pro 600% more hashrate (3.5 vs 24.5 TH/s)
- iBeLink K3 mini (3.5TH) 94% better power draw (170 vs 3,000 W)
- iBeLink K3 mini (3.5TH) 60% better efficiency (48.6 vs 122.5 J/TH)
- iBeLink K3 mini (3.5TH) 100% better weight (2.2 vs 8,500.0 kg)
- Goldshell KD5 Pro 1665% more heat output (580 vs 10,236 BTU/hr)
- iBeLink K3 mini (3.5TH) 209% more home mining score (68.0 vs 22.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| iBeLink K3 mini (3.5TH) | Metric | Goldshell KD5 Pro |
|---|---|---|
| — | Upfront cost (MSRP) | $899 |
| -$0.28 | Daily net profit | -$6.32 |
| -$103 | Net after 1 year | -$3,205 |
| -$206 | Net after 2 years | -$5,511 |
| -$309 | Net after 3 years | -$7,817 |
| — | 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
iBeLink K3 mini (3.5TH)Score: 68/100. 35 dB noise level.
Best for Efficiency
iBeLink K3 mini (3.5TH)48.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the iBeLink K3 mini (3.5TH) or Goldshell KD5 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the iBeLink K3 mini (3.5TH) is more profitable at $-0.28/day compared to $-6.32/day for the Goldshell KD5 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the iBeLink K3 mini (3.5TH) or the Goldshell KD5 Pro better for noise-sensitive spaces?
The iBeLink K3 mini (3.5TH) is quieter at 35 dB compared to the Goldshell KD5 Pro at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the iBeLink K3 mini (3.5TH) or Goldshell KD5 Pro?
The iBeLink K3 mini (3.5TH) scores 68/100 on our Home Mining Score (vs 22/100 for the Goldshell KD5 Pro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between iBeLink K3 mini (3.5TH) and Goldshell KD5 Pro?
The iBeLink K3 mini (3.5TH) runs at 48.6 J/TH while the Goldshell KD5 Pro runs at 122.5 J/TH — a difference of 73.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 60% better efficiency (48.6 vs 122.5 J/TH).