iBeLink BM-K3 vs iBeLink BM-S3 Siacoin Miner
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| iBeLink BM-K3 | Specification | iBeLink BM-S3 Siacoin Miner |
|---|---|---|
| 70.0 TH/s | Hashrate | 19.0 TH/s |
| 3,300 W | Power Consumption | 3,100 W |
| 47.1 J/TH | Efficiency | 163.2 J/TH |
| — | Noise Level | 75 dB |
| — | Weight | 14.0 kg |
| 11,260 BTU/hr | BTU Output | 10,577 BTU/hr |
| 22/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2b-sia |
| iBeLink | Manufacturer | iBeLink |
Profitability Comparison
iBeLink BM-K3
iBeLink BM-S3 Siacoin Miner
Based on BTC price of $76,893 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the iBeLink BM-K3, which leads on 3 of 6 weighted factors (efficiency, hashrate, price-performance). The standout gap is 268% more hashrate (70.0 vs 19.0 TH/s) in the iBeLink BM-K3's favour. The iBeLink BM-S3 Siacoin Miner claws back ground on power consumption and home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The iBeLink BM-K3 and iBeLink BM-S3 Siacoin Miner diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- iBeLink BM-K3 268% more hashrate (70.0 vs 19.0 TH/s)
- iBeLink BM-S3 Siacoin Miner 6% better power draw (3,300 vs 3,100 W)
- iBeLink BM-K3 71% better efficiency (47.1 vs 163.2 J/TH)
- iBeLink BM-K3 6% more heat output (11,260 vs 10,577 BTU/hr)
- iBeLink BM-S3 Siacoin Miner 64% more home mining score (22.0 vs 36.0)
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 BM-S3 Siacoin Miner |
|---|---|---|
| $820 | Upfront cost (MSRP) | $1,330 |
| -$5.44 | Daily net profit | -$6.77 |
| -$2,807 | Net after 1 year | -$3,800 |
| -$4,793 | Net after 2 years | -$6,270 |
| -$6,780 | Net after 3 years | -$8,741 |
| 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 BM-S3 Siacoin MinerScore: 36/100. 75 dB noise level.
Best for Efficiency
iBeLink BM-K347.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the iBeLink BM-K3 or the iBeLink BM-S3 Siacoin Miner?
At the current BTC price and a $0.10/kWh electricity rate, the iBeLink BM-K3 is more profitable at $-5.44/day compared to $-6.77/day for the iBeLink BM-S3 Siacoin Miner. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the iBeLink BM-K3 or iBeLink BM-S3 Siacoin Miner?
The iBeLink BM-S3 Siacoin Miner is quieter at 75 dB compared to the iBeLink BM-K3 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the iBeLink BM-K3 or iBeLink BM-S3 Siacoin Miner?
The iBeLink BM-S3 Siacoin Miner scores 36/100 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 BM-S3 Siacoin Miner?
The iBeLink BM-K3 runs at 47.1 J/TH while the iBeLink BM-S3 Siacoin Miner runs at 163.2 J/TH — a difference of 116.0 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 163.2 J/TH).