iBeLink BM-K3 vs iBeLink N3 mini (1.8Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| iBeLink BM-K3 | Specification | iBeLink N3 mini (1.8Th) |
|---|---|---|
| 70.0 TH/s | Hashrate | 1.8 TH/s |
| 3,300 W | Power Consumption | 295 W |
| 47.1 J/TH | Efficiency | 163.9 J/TH |
| — | Noise Level | — |
| — | Weight | 2.2 kg |
| 11,260 BTU/hr | BTU Output | 1,007 BTU/hr |
| 22/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Eaglesong |
| iBeLink | Manufacturer | iBeLink |
Profitability Comparison
iBeLink BM-K3
iBeLink N3 mini (1.8Th)
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 3 of 5 weighted factors (efficiency, hashrate, price-performance). The standout gap is 3789% more hashrate (70.0 vs 1.8 TH/s) in the iBeLink BM-K3's favour. The iBeLink N3 mini (1.8Th) holds the edge in power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the iBeLink BM-K3 and iBeLink N3 mini (1.8Th) actually differ, with the gap quantified:
- iBeLink BM-K3 3789% more hashrate (70.0 vs 1.8 TH/s)
- iBeLink N3 mini (1.8Th) 91% better power draw (3,300 vs 295 W)
- iBeLink BM-K3 71% better efficiency (47.1 vs 163.9 J/TH)
- iBeLink BM-K3 1019% more heat output (11,260 vs 1,007 BTU/hr)
- iBeLink N3 mini (1.8Th) 55% more home mining score (22.0 vs 34.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| iBeLink BM-K3 | Metric | iBeLink N3 mini (1.8Th) |
|---|---|---|
| $820 | Upfront cost (MSRP) | $238 |
| -$5.40 | Daily net profit | -$0.64 |
| -$2,791 | Net after 1 year | -$473 |
| -$4,762 | Net after 2 years | -$708 |
| -$6,733 | Net after 3 years | -$942 |
| 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
iBeLink N3 mini (1.8Th)Score: 34/100. 0 dB noise level.
Best for Efficiency
iBeLink BM-K347.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the iBeLink BM-K3 or iBeLink N3 mini (1.8Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the iBeLink N3 mini (1.8Th) is more profitable at $-0.64/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.
iBeLink BM-K3 vs iBeLink N3 mini (1.8Th): which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the iBeLink BM-K3 or iBeLink N3 mini (1.8Th)?
The iBeLink N3 mini (1.8Th) scores 34/100 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 N3 mini (1.8Th)?
The iBeLink BM-K3 runs at 47.1 J/TH while the iBeLink N3 mini (1.8Th) runs at 163.9 J/TH — a difference of 116.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 71% better efficiency (47.1 vs 163.9 J/TH).