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Goldshell CK Box II

Goldshell CK Box II

Hashrate 2.1 TH/s Power 400 W Efficiency 190.5 J/TH
VS
Bitmain CK6-SE

Bitmain CK6-SE

Hashrate 17.0 TH/s Power 3,300 W Efficiency 194.1 J/TH

Goldshell CK Box II vs Bitmain CK6-SE

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Goldshell CK Box II Specification Bitmain CK6-SE
2.1 TH/s Hashrate 17.0 TH/s
400 W Power Consumption 3,300 W
190.5 J/TH Efficiency 194.1 J/TH
Noise Level 80 dB
3.0 kg Weight 11.5 kg
1,365 BTU/hr BTU Output 11,260 BTU/hr
34/100 Home Mining Score 29/100
Release Year
Eaglesong Algorithm Eaglesong
Goldshell Manufacturer Bitmain

Profitability Comparison

$/kWh

Goldshell CK Box II

Daily Revenue 0.00000097 BTC $0.08
Daily Electricity -$0.96
Daily Profit -$0.88
Monthly -$26.53
Yearly -$322.82

Bitmain CK6-SE

Daily Revenue 0.00000782 BTC $0.61
Daily Electricity -$7.92
Daily Profit -$7.31
Monthly -$219.25
Yearly -$2,667.56

Based on BTC price of $78,179 and current network difficulty as of May 16, 2026. Actual results vary.

Verdict

Our scoring model gives the nod to the Goldshell CK Box II, which leads on 3 of 5 weighted factors (efficiency, power consumption, home mining score). Where it pulls away hardest is 88% better power draw (400 vs 3,300 W). The Bitmain CK6-SE claws back ground on hashrate and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Goldshell CK Box II — wins on 3 of 5 factors

Spec Deltas

Here is every spec where the Goldshell CK Box II and Bitmain CK6-SE actually differ, with the gap quantified:

  • Bitmain CK6-SE 710% more hashrate (2.1 vs 17.0 TH/s)
  • Goldshell CK Box II 88% better power draw (400 vs 3,300 W)
  • Goldshell CK Box II 2% better efficiency (190 vs 194 J/TH)
  • Goldshell CK Box II 74% better weight (3.0 vs 11.5 kg)
  • Bitmain CK6-SE 725% more heat output (1,365 vs 11,260 BTU/hr)
  • Goldshell CK Box II 17% more home mining score (34.0 vs 29.0)

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.

Goldshell CK Box II Metric Bitmain CK6-SE
$246 Upfront cost (MSRP)
-$0.88 Daily net profit -$7.31
-$569 Net after 1 year -$2,668
-$892 Net after 2 years -$5,335
-$1,214 Net after 3 years -$8,003
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

Tie

Both miners produce similar daily profit.

Best for Home Mining

Goldshell CK Box II

Score: 34/100. 0 dB noise level.

Best for Efficiency

Goldshell CK Box II

190.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Goldshell CK Box II or Bitmain CK6-SE more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Goldshell CK Box II is more profitable at $-0.88/day compared to $-7.31/day for the Bitmain CK6-SE. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Goldshell CK Box II vs Bitmain CK6-SE: which runs at a lower noise level?

The Bitmain CK6-SE is quieter at 80 dB compared to the Goldshell CK Box II at 0 dB. For home mining, lower noise levels make a significant difference in livability.

For mining at home, should I pick the Goldshell CK Box II or the Bitmain CK6-SE?

The Goldshell CK Box II scores 34/100 on our Home Mining Score (vs 29/100 for the Bitmain CK6-SE). 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 Goldshell CK Box II and Bitmain CK6-SE?

The Goldshell CK Box II runs at 190.5 J/TH while the Bitmain CK6-SE runs at 194.1 J/TH — a difference of 3.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 2% better efficiency (190 vs 194 J/TH).