iBeLink K3 mini (3.5TH) vs Goldshell KD-BOX
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| iBeLink K3 mini (3.5TH) | Specification | Goldshell KD-BOX |
|---|---|---|
| 3.5 TH/s | Hashrate | 1.6 TH/s |
| 170 W | Power Consumption | 205 W |
| 48.6 J/TH | Efficiency | 128.1 J/TH |
| 35 dB | Noise Level | — |
| 2.2 kg | Weight | — |
| 580 BTU/hr | BTU Output | 700 BTU/hr |
| 68/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| iBeLink | Manufacturer | Goldshell |
Profitability Comparison
iBeLink K3 mini (3.5TH)
Goldshell KD-BOX
Based on BTC price of $78,257 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the iBeLink K3 mini (3.5TH) edges it: 5 of 5 factors go its way (efficiency, hashrate, power consumption, home mining score, noise level). The standout gap is 62% better efficiency (48.6 vs 128.1 J/TH) in the iBeLink K3 mini (3.5TH)'s favour. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the iBeLink K3 mini (3.5TH) and Goldshell KD-BOX sit on each measurable spec:
- iBeLink K3 mini (3.5TH) 119% more hashrate (3.5 vs 1.6 TH/s)
- iBeLink K3 mini (3.5TH) 17% better power draw (170 vs 205 W)
- iBeLink K3 mini (3.5TH) 62% better efficiency (48.6 vs 128.1 J/TH)
- Goldshell KD-BOX 21% more heat output (580 vs 700 BTU/hr)
- iBeLink K3 mini (3.5TH) 119% more home mining score (68.0 vs 31.0)
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.
| iBeLink K3 mini (3.5TH) | Metric | Goldshell KD-BOX |
|---|---|---|
| — | Upfront cost (MSRP) | $330 |
| -$0.28 | Daily net profit | -$0.43 |
| -$103 | Net after 1 year | -$489 |
| -$206 | Net after 2 years | -$647 |
| -$309 | Net after 3 years | -$806 |
| — | 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 KD-BOX 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 $-0.43/day for the Goldshell KD-BOX. 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 KD-BOX better for noise-sensitive spaces?
The iBeLink K3 mini (3.5TH) is quieter at 35 dB compared to the Goldshell KD-BOX 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 KD-BOX?
The iBeLink K3 mini (3.5TH) scores 68/100 on our Home Mining Score (vs 31/100 for the Goldshell KD-BOX). 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 K3 mini (3.5TH) and Goldshell KD-BOX on J/TH?
The iBeLink K3 mini (3.5TH) runs at 48.6 J/TH while the Goldshell KD-BOX runs at 128.1 J/TH — a difference of 79.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 62% better efficiency (48.6 vs 128.1 J/TH).