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Goldshell

Goldshell CK Box II (2.1TH)

Name: Goldshell CK Box II (2.1TH)
Brand: Goldshell
SKU: MM2026GOLDSHELLCKBOXII21
Availability: OutOfStock
Rating: 4.9 (16 reviews)

Model: CK Box II

New

2.1 TH/s Eaglesong miner for CKB at 400W. 35 dB silent, 100 to 240V, 2.2 kg desktop. Goldshell's quiet home Nervos miner. Ships from MillionMiner.

2.1 TH/s 400W Eaglesong 190.48 J/TH

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Genuine

Tested hardware

Worldwide

Global shipping

Support

Mining experts

Hashrate

2.1 TH/s

Power

400 W

Efficiency

190.48 J/TH

Noise

35 dB

Estimated Mining Returns

Based on current BTC price & network difficulty. Indicative only.

Period	Daily	Weekly	Monthly
Income	$0.15	$1.05	$4.50
Electricity	-$0.77	-$5.39	-$23.10
Profit	$-0.62	$-4.34	$-18.60

Using 0.080 $/kWh · Network difficulty as of today. Estimates only.

Adjust rate in the bar above

Updated daily. Last refresh: Apr 19, 2026. Estimates at $0.08/kWh.

Full Specifications

Hashrate 2.1 TH/s

Power Consumption 400 W

Efficiency 190.48 J/TH

Algorithm Eaglesong

Model CK Box II

Release Year Oct 2022

Noise Level 35 dB

Dimensions 198 x 150 x 96mm

Weight 2.2 kg

Voltage 100-240v

Interfaces Ethernet

Operating Temp 5 - 45 °C

Humidity 10 - 90 %

Cooling Type Air

What's in the Box

CK Box II

Power supply unit (PSU)

Power cables

Quick start guide

Contents may vary by batch. Exact items listed in order confirmation.

Quick Setup

Connect PSU to miner and plug into the outlet

Connect ethernet cable to your router or switch

Find miner IP via router admin or IP scanner tool

Open web interface, enter pool URL and wallet — start mining

Product Details

Goldshell CK Box II 2.1TH Silent Desktop Eaglesong Miner for Nervos (CKB)

Silent home Nervos CKB mining. The CK Box II at 2.1 TH/s doubles the original CK-BOX (1.05 TH/s) at the same 35 dB silence and compact desktop form factor. Goldshell BOX formula: double the output, double the power, keep the noise. WiFi and Ethernet through the Goldshell mobile app.

400W on universal 100 to 240V. At 110V draws about 3.6 amps. Any outlet worldwide. Daily electricity: $0.67. Monthly: $20. CKB accumulation at streaming subscription cost. The low ongoing expense allows indefinite mining through any CKB market conditions.

Nervos CKB uses Eaglesong proof of work securing a Layer 1 blockchain designed for Layer 2 scalability. CKB tokens represent storage rights on the base chain. Mining accumulates that capacity. Whether the Nervos ecosystem develops enough to make CKB tokens valuable determines the investment outcome. The hardware is solid. The blockchain is the variable.

Above the CK Box II: CK Lite (6.3 TH/s, 55 dB), CK5 (12 TH/s, 80 dB), CK6-SE (17 TH/s, 80 dB), CK6 (19.3 TH/s, 80 dB). Below: the original CK-BOX (1.05 TH/s, 35 dB). The CK Box II is the peak of silent home CKB mining from Goldshell.

198 x 150 x 96mm at 2.2 kg. 100-240v input. Ethernet. 5 - 45 °C. Goldshell firmware. Daily electricity $0.67 at $0.07 per kWh. Monthly: $20. Compare against Nervos CKB revenue at 2.1 TH/s.

The CK Box II earns its cost through Nervos CKB production at 2.1 TH/s. Subtract $0.67 daily electricity. net daily Nervos CKB revenue after electricity needs to compound over enough days to cover CK Box II acquisition for the investment to make sense.

Goldshell CK Box II 2.1TH Silent Home CKB Nervos Miner

Goldshell's silent Nervos CKB home miner. CK Box II at 2.1 TH/s Eaglesong and 400W at 35 dB. Same quiet BOX philosophy as KA Box, KD Box, AL Box, and Mini DOGE. WiFi and Ethernet. Desktop CKB accumulation without noise.

Air cooled at 35 dB. Nervos CKB. Goldshell firmware. 198 x 150 x 96mm at 2.2 kg. Ethernet. 5 - 45 °C.

Silent 35 dB. Any room. No noise constraint. Focus on power and connectivity.

Goldshell firmware for pool management. Compare pricing versus competitors. Total fleet hashrate determines production. Model conservatively with current data.

Silent 35 dB. Total deployment flexibility. Any room, any desk, any shelf. Noise is eliminated as a constraint. Focus on power and connectivity only.

Goldshell firmware for pool config and monitoring. Compare pricing against competitors at this hashrate tier. Total deployed hashrate determines production. Model with current data.

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Goldshell CK Box II 2.1TH CKB Miner

35 dB silent Eaglesong. 2.1 TH/s from Goldshell at 400W. 100-240v. 2.2 kg. Nervos CKB. Ethernet. Goldshell. Goldshell. Compare pricing. Total cost of ownership at your rate. Factor acquisition and deployment. Dedicated Eaglesong ASIC. Goldshell firmware and support. Model profitability at your electricity rate with current network data. Factor acquisition cost and deployment duration into total cost of ownership.

2.1 TH/s CKB at 35 dB

Silent desktop Nervos mining in Goldshell's Box format. Home friendly CKB access.

Desktop Nervos Mining

2.2 kg, universal voltage, inaudible. Support the Nervos network from your desk.

Free DDP from MillionMiner

Ships worldwide with warranty and free DDP delivery.

Frequently Asked Questions

2.1 TH/s Eaglesong at 400W. Goldshell desktop Nervos (CKB) miner. Home-friendly.

Yes. Free DDP shipping.