iBeLink BM-K1 vs iBeLink K3 mini (3.5TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| iBeLink BM-K1 | Specification | iBeLink K3 mini (3.5TH) |
|---|---|---|
| 5.3 TH/s | Hashrate | 3.5 TH/s |
| 835 W | Power Consumption | 170 W |
| 157.6 J/TH | Efficiency | 48.6 J/TH |
| — | Noise Level | 35 dB |
| 6,600.0 kg | Weight | 2.2 kg |
| 2,849 BTU/hr | BTU Output | 580 BTU/hr |
| 28/100 | Home Mining Score | 68/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| iBeLink | Manufacturer | iBeLink |
Profitability Comparison
iBeLink BM-K1
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
Weighing six performance factors, the iBeLink K3 mini (3.5TH) comes out ahead — it takes 4 of 5 (efficiency, power consumption, home mining score, noise level). The standout gap is 80% better power draw (835 vs 170 W) in the iBeLink K3 mini (3.5TH)'s favour. The iBeLink BM-K1 holds the edge in hashrate. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The iBeLink BM-K1 and iBeLink K3 mini (3.5TH) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- iBeLink BM-K1 51% more hashrate (5.3 vs 3.5 TH/s)
- iBeLink K3 mini (3.5TH) 80% better power draw (835 vs 170 W)
- iBeLink K3 mini (3.5TH) 69% better efficiency (157.6 vs 48.6 J/TH)
- iBeLink K3 mini (3.5TH) 100% better weight (6,600.0 vs 2.2 kg)
- iBeLink BM-K1 391% more heat output (2,849 vs 580 BTU/hr)
- iBeLink K3 mini (3.5TH) 143% more home mining score (28.0 vs 68.0)
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-K1 | Metric | iBeLink K3 mini (3.5TH) |
|---|---|---|
| $9,855 | Upfront cost (MSRP) | — |
| -$1.81 | Daily net profit | -$0.28 |
| -$10,517 | Net after 1 year | -$103 |
| -$11,179 | Net after 2 years | -$206 |
| -$11,840 | 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 K3 mini (3.5TH)48.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
iBeLink BM-K1 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 $-1.81/day for the iBeLink BM-K1. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
iBeLink BM-K1 vs iBeLink K3 mini (3.5TH): which runs at a lower noise level?
The iBeLink K3 mini (3.5TH) is quieter at 35 dB compared to the iBeLink BM-K1 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
iBeLink BM-K1 vs iBeLink K3 mini (3.5TH): which fits a residential setup better?
The iBeLink K3 mini (3.5TH) scores 68/100 on our Home Mining Score (vs 28/100 for the iBeLink BM-K1). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the iBeLink BM-K1 and iBeLink K3 mini (3.5TH) on J/TH?
The iBeLink BM-K1 runs at 157.6 J/TH while the iBeLink K3 mini (3.5TH) runs at 48.6 J/TH — a difference of 109.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 69% better efficiency (157.6 vs 48.6 J/TH).