Buy USED Antminer K5 (for CKB) With APW7 PSU – Reliable & Efficient Nervos Miner
The Used Antminer K5 (for CKB) with APW7 PSU included is a powerful and energy-efficient ASIC miner engineered for mining Nervos Network (CKB) using the SHA-3 hashing algorithm. With robust hashpower and a trusted power supply, this miner offers a cost-effective entry into dedicated Nervos mining — ideal for both enthusiasts and experienced miners focusing on long-term mining performance.
Choosing a used Antminer K5 with an APW7 power supply unit (PSU) gives you a complete mining rig ready for deployment, while also reducing upfront hardware costs compared to buying new.
What Is the Used Antminer K5 (for CKB)?
The Antminer K5 is a dedicated ASIC miner designed to efficiently process the Blake2S/SHA-3 algorithm, which is required for mining Nervos (CKB). Unlike GPU setups, which are general-purpose and less optimized for single-algorithm mining, ASIC miners like the K5 are purpose-built to deliver high hashrate, energy efficiency, and dependable 24/7 operation.
This listing includes a used Antminer K5 unit paired with a compatible APW7 power supply, making it a complete and ready-to-run mining package for users who want uncompromised performance without the premium price tag of new hardware.
Key Specifications of Used Antminer K5 (for CKB)
Here are the core performance specifications for the Antminer K5 miner:
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Algorithm: SHA-3 / Blake2S (for CKB)
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Supported Coin: Nervos Network (CKB)
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Hashrate: High-performance level for CKB mining
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Power Consumption: Optimized for ASIC class
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Power Efficiency: Competitive ratio of performance to watt
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Cooling System: Integrated dual high-speed fans
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Network Connection: Ethernet
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Input Voltage: AC (via APW7 PSU)
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Operating Mode: Continuous 24/7 mining
Because this listing includes the APW7 PSU, you don’t need to source your own power supply. The APW7 is purpose-designed to match the miner’s requirements, ensuring stable power delivery and easier setup. Used Antminer K5 (for CKB) Used Antminer K5 (for CKB) Used Antminer K5 (for CKB)
Why Choose a Used Antminer K5 With APW7 PSU?
🚀 1. Powerful Nervos Mining Performance
The Antminer K5 delivers strong hashpower for mining CKB, making it suitable for miners who want an efficient and reliable ASIC rig tailored to a specific algorithm without the higher cost of new hardware.
💡 2. Cost-Effective Solution
Buying a used miner with PSU included reduces upfront investment while still offering robust hash output and dependable runtime — a smart way to scale hashpower with less initial expense.
⚡ 3. Complete Mining Package
The APW7 PSU is matched to the miner’s needs, so you get a ready-to-deploy setup without guessing at compatibility. This simplifies installation and reduces setup time.
🛠 4. Efficient Power Management
The APW7 power supply is designed to support high-performance ASIC miners with stable power delivery. This helps ensure the K5 operates at its expected performance level with managed electrical load and reduced downtime.
Mining Nervos (CKB) With the Antminer K5
The Nervos Network (CKB) requires miners to use hardware capable of handling the Blake2S/SHA-3 hashing algorithm effectively. The Antminer K5 is engineered for this purpose, delivering optimized performance that contributes solid hashpower to the CKB mining ecosystem.
To begin mining:
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Place the miner in a well-ventilated area to maintain stable operating temperatures.
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Connect the APW7 PSU to the miner and a stable power source.
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Attach an Ethernet cable to your network.
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Access the miner’s web interface through a browser.
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Enter your mining pool details and wallet address.
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Start mining and monitor hashrate and uptime through the dashboard.
With proper setup and configuration, the K5 with PSU can deliver reliable hashpower for your CKB mining operations.
Profitability Considerations
Profitability in mining depends on several dynamic factors:
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CKB market price and trends
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Network hash difficulty and competition
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Electricity cost per kilowatt-hour
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Mining pool fees and payout structure
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Hardware uptime and cooling efficiency
Because the Antminer K5 is built for a specific algorithm and paired with a matched PSU, it can provide predictable performance and energy use — which are important when calculating expected returns. Before investing, miners should use current network metrics and local power costs to estimate potential earnings.
Ideal Use Cases for a Used K5 Miner
The used Antminer K5 with APW7 PSU is ideal for:
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Home miners with proper ventilation and power setup
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Medium-scale mining operations
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Miners upgrading from less efficient hardware
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Experienced miners seeking cost-effective mining solutions
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Users targeting long-term CKB accumulation
Its combination of efficiency, performance, and real-world value makes the K5 a compelling choice for a wide range of mining strategies.
Setup & Maintenance
Setting up your used Antminer K5 with APW7 PSU is straightforward:
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Place the miner in an area with adequate ventilation and clean airflow.
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Connect the APW7 PSU securely to the K5 miner and a stable power source.
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Plug in the Ethernet cable to your local network.
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Access the miner’s configuration dashboard via a browser.
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Enter your mining pool and wallet address.
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Save settings and begin mining.
Routine maintenance includes:
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Cleaning dust from fans and heat sinks to prevent build-up
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Ensuring proper airflow around the unit
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Monitoring temperatures and hashrate performance
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Checking for firmware updates and applying stable releases
With regular care, the Antminer K5 can provide dependable 24/7 operation with minimal intervention.
Buy Used Antminer K5 (for CKB) With APW7 PSU
When you decide to buy a used Antminer K5 (for CKB) with APW7 PSU, choose a trusted seller who tests hardware performance and provides accurate condition reporting. Verified used miners ensure you receive a unit with consistent performance and expected hash output — helping you deploy with confidence and start mining quickly.
Selecting verified hardware reduces the risk of receiving underperforming units and supports smoother setup and uptime.
Final Thoughts
The Used Antminer K5 (for CKB) with APW7 PSU is a powerful, efficient, and reliable mining solution tailored for Nervos Network mining. By combining strong hash performance with a matched power supply, this package offers miners an accessible and cost-effective way to expand or start their mining operations.
Whether you’re scaling an existing setup or launching a focused CKB mining strategy, this used ASIC miner delivers the performance, stability, and value needed to stay competitive in today’s mining landscape.
the first batch 2700 units only
| Model | K5 | |||
| Algo/coin | Eaglesong/CKB | |||
| hashrate（GH/s） | 1130 | |||
| power consumption（Watt) | 1580±5% | |||
| efficiency ratio(25°C环境温度，J/GH) | 1.398±5% | |||
| AC/DC(Watt/Volt) | 1721/12.00 | |||
