iBeLink BM-K3 vs iBeLink K3 mini (3.5TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| iBeLink BM-K3 | Specification | iBeLink K3 mini (3.5TH) |
|---|---|---|
| 70.0 TH/s | Hashrate | 3.5 TH/s |
| 3,300 W | Power Consumption | 170 W |
| 47.1 J/TH | Efficiency | 48.6 J/TH |
| — | Noise Level | 35 dB |
| — | Weight | 2.2 kg |
| 11,260 BTU/hr | BTU Output | 580 BTU/hr |
| 22/100 | Home Mining Score | 68/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| iBeLink | Manufacturer | iBeLink |
Profitability Comparison
iBeLink BM-K3
iBeLink K3 mini (3.5TH)
Based on BTC price of $78,226 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the iBeLink BM-K3, which leads on 2 of 5 weighted factors (efficiency, hashrate). Its biggest concrete edge: 1900% more hashrate (70.0 vs 3.5 TH/s). That said, the iBeLink K3 mini (3.5TH) isn't beaten everywhere — it still wins power consumption and home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the iBeLink BM-K3 and iBeLink K3 mini (3.5TH) actually differ, with the gap quantified:
- iBeLink BM-K3 1900% more hashrate (70.0 vs 3.5 TH/s)
- iBeLink K3 mini (3.5TH) 95% better power draw (3,300 vs 170 W)
- iBeLink BM-K3 3% better efficiency (47.1 vs 48.6 J/TH)
- iBeLink BM-K3 1841% more heat output (11,260 vs 580 BTU/hr)
- iBeLink K3 mini (3.5TH) 209% more home mining score (22.0 vs 68.0)
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 BM-K3 | Metric | iBeLink K3 mini (3.5TH) |
|---|---|---|
| $820 | Upfront cost (MSRP) | — |
| -$5.40 | Daily net profit | -$0.28 |
| -$2,791 | Net after 1 year | -$103 |
| -$4,762 | Net after 2 years | -$206 |
| -$6,733 | Net after 3 years | -$309 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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 BM-K347.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
iBeLink BM-K3 vs iBeLink K3 mini (3.5TH): which one earns more per day?
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 $-5.40/day for the iBeLink BM-K3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the iBeLink BM-K3 or the iBeLink K3 mini (3.5TH) better for noise-sensitive spaces?
The iBeLink K3 mini (3.5TH) is quieter at 35 dB compared to the iBeLink BM-K3 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the iBeLink BM-K3 or the iBeLink K3 mini (3.5TH)?
The iBeLink K3 mini (3.5TH) scores 68/100 on our Home Mining Score (vs 22/100 for the iBeLink BM-K3). 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 BM-K3 and iBeLink K3 mini (3.5TH)?
The iBeLink BM-K3 runs at 47.1 J/TH while the iBeLink K3 mini (3.5TH) runs at 48.6 J/TH — a difference of 1.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 3% better efficiency (47.1 vs 48.6 J/TH).