Cryptocurrency mining continues to evolve, and efficient, reliable hardware is more critical than ever. The Cooldragon Goldshell Mini-Doge III Plus stands out as a compact yet powerful solution for miners targeting Litecoin (LTC) and Dogecoin (DOGE) using the Scrypt algorithm. With dual performance modes—810Mh/s at 500W or 620Mh/s at 300W—this miner offers flexibility for various operational setups, from home-based rigs to larger-scale mining farms.
Designed by Goldshell, a trusted name in ASIC mining technology, the Mini-Doge III Plus combines high efficiency with low noise, making it ideal for environments where space and acoustics matter.
Key Features & Specifications
The Goldshell Mini-Doge III Plus is engineered for optimal performance under real-world conditions. Here’s a detailed breakdown of its technical profile:
- Manufacturer: Goldshell
- Model: Mini-Doge III Plus
Hashrate Options:
- High Mode: 810 Mh/s @ 500W
- Low Power Mode: 620 Mh/s @ 300W
- Algorithm: Scrypt (ideal for DOGE and LTC mining)
- Power Input: 100–240V AC (auto-sensing)
- Cooling: Single integrated fan
- Noise Level: <35 dB (quiet enough for residential use)
- Dimensions: 133 × 163.3 × 202 mm
- Weight: 3.7 kg
- Operating Temperature: 0–35°C
- Humidity Range: 0–65% non-condensing
This miner strikes a balance between energy efficiency and output, allowing users to choose between maximum performance or reduced power consumption depending on electricity costs and cooling availability.
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Why Choose the Goldshell Mini-Doge III Plus?
Compact Design, Big Performance
Despite its small footprint, this device delivers competitive hashrate performance. Its compact size allows deployment in tight spaces, such as home offices or closets, without requiring dedicated server rooms.
Dual Power Modes for Flexibility
Miners can switch between two modes based on their energy budget:
- Use 810Mh/s at 500W when performance is the priority.
- Switch to 620Mh/s at 300W to reduce electricity costs and heat output—perfect during peak tariff hours.
This adaptability makes it a smart choice for both hobbyist miners and small-scale commercial operators.
Low Noise Operation
At under 35 decibels, the Mini-Doge III Plus operates quieter than most refrigerators. This makes it one of the most discreet ASIC miners available—ideal for noise-sensitive environments.
Reliable Build Quality
Backed by Goldshell's reputation for durable mining hardware, this unit includes robust thermal management and stable voltage regulation to ensure long-term uptime.
Procurement & Order Process
Purchasing mining equipment requires clarity and transparency. Below are essential points every buyer should know before placing an order.
Pricing & Bulk Discounts
The final price may vary due to market fluctuations. Buyers are advised to confirm current pricing and stock availability with customer support before completing a purchase.
Bulk order discounts apply as follows:
- 2–4 units: $4 discount per unit
- 5–100 units: $12 discount per unit
These savings make scaling your mining operation cost-effective.
In-Stock vs. Pre-Order Units
In-Stock Miners
- Shipment within 3–7 business days after payment confirmation.
- Each unit undergoes pre-shipment testing.
- Test videos available upon request for quality assurance.
- Shipping carriers include UPS, DHL, FedEx, TNT, and specialized DDP routes (e.g., Russia).
Pre-Ordered Miners
- Estimated shipping dates provided on the product page.
- Actual delivery depends on factory release schedules.
- Possible delays if production is postponed.
- If the shipped miner exceeds ordered specs (e.g., higher hashrate), additional fees may apply.
- If performance is lower than ordered, a partial refund will be issued.
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Shipping & Payment Options
Accepted Payment Methods
All transactions must be completed via cryptocurrency unless alternative arrangements are made directly with the sales team.
Option 1: Online Crypto Payment
Supported currencies:
- Bitcoin (BTC)
- Ethereum (ETH)
- USDT (ERC20 & TRC20)
- USDC
Orders placed through the website are processed immediately upon confirmation.
Option 2: Offline Crypto Transfer
Send funds directly to the provided wallet addresses:
- USDT ERC20:
0x8f761497baf7677f398a95929ddcdaa034a7aa53 - USDT TRC20:
TVkxaXX1YtpYFuwex4hMWqsDU7F7yzif8b
⚠️ Always contact customer support before sending offline payments to verify details and link your transaction to your order.
Option 3: Bank Wire Transfer
Available upon direct request. Contact support via email or live chat for bank details and instructions.
Global Shipping Details
- Warehouses: Hong Kong and Shenzhen
- Shipping Carriers: UPS, DHL, FedEx, EMS, TNT, DPEX, Aramex, SPSR Express (Russia)
Delivery Timeframe:
- In-stock items: 10–15 business days globally
- Pre-orders: Ships within 48 hours of receiving inventory from the factory
Some remote regions (e.g., Russia, Brazil, South Africa, Australia) may incur extra freight charges due to logistical complexity. Customers should consult support prior to ordering.
| Carrier | Estimated Delivery | Processing Time |
|---|---|---|
| FedEx | 3–7 days | 3–7 business days |
| UPS | 4–8 days | |
| DHL | 3–7 days | |
| TNT | 3–8 days | |
| EMS | 5–15 days | |
| DPEX | 3–6 days | |
| Aramex | 3–9 days | |
| SPSR Express | 14–25 days |
Customs declaration value is typically set at $150 per unit unless otherwise requested. Import duties and clearance fees are the buyer’s responsibility.
Warranty & Buyer Protection
Understanding warranty terms is crucial for protecting your investment.
Refund Policy
- Orders are non-refundable and non-cancelable once confirmed.
- Exceptions apply only if price surges or stock shortages occur after payment but before processing.
Warranty Coverage
- New miners: 6-month warranty
- Used miners: No warranty
Special models:
- Antminer S19 series: 1-year warranty
- Avalon 12XX/13XX: 1-year warranty
- Whatsminer M3X/M5X: 1-year warranty
⚠️ Warranty does not cover:
- Normal wear and tear
- Damage from misuse, accidents, improper installation, or extreme environmental conditions
- Unauthorized modifications or repairs
- Flood, fire, earthquake, or other natural disasters
- Chip or board burnout due to overclocking or unstable power supply
Repairs require the customer to cover return shipping costs. Uninsured shipments risk loss or damage during transit.
Frequently Asked Questions (FAQ)
Q: Can I use the Mini-Doge III Plus for mining cryptocurrencies other than Dogecoin and Litecoin?
A: Yes, any cryptocurrency that uses the Scrypt algorithm can be mined with this device, including Verge (XVG) and Syscoin (SYS).
Q: Is there a way to monitor mining performance remotely?
A: Yes, the miner supports standard IP lookup and web-based interface access for real-time monitoring via local network or remote connection.
Q: Does the miner come with a power supply?
A: No, the Goldshell Mini-Doge III Plus does not include a power supply unit (PSU). You’ll need to purchase a compatible DC power source separately.
Q: How do I switch between 810Mh/s and 620Mh/s modes?
A: Performance modes can be adjusted through the device’s web interface by modifying frequency and voltage settings.
Q: Are firmware updates supported?
A: Yes, Goldshell regularly releases firmware updates to improve stability and efficiency. Updates can be applied via the web UI.
Q: Can I get a test video before my unit ships?
A: Yes, test videos are available upon request for all in-stock units to verify functionality before shipment.
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Final Thoughts
The Cooldragon Goldshell Mini-Doge III Plus offers an excellent blend of efficiency, quiet operation, and mining power for Scrypt-based coins. Whether you're expanding an existing setup or starting fresh, its dual-mode functionality gives you control over performance and energy use. With proper planning and maintenance, this miner can deliver strong returns in today’s competitive landscape.
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