How to Build Your First GPU Mining Rig From Start to Finish

How to Build Your First GPU Mining Rig From Start to Finish

Cryptocurrency mining with GPUs is more profitable than ever. By building your own altcoin mining rig, you can earn significant passive income. This guide will give you a quick walk through assembling your first beginner GPU rig from start to finish.

Why Build a GPU Mining Rig?

GPU mining utilizes graphics cards to solve the complex calculations required to verify blockchain transactions. GPUs can calculate much faster than CPUs, making GPU mining more efficient and profitable.

Reasons to build your own rig include:

  • Profitability – A 6/8/12 GPU rig properly optimized for pacific altcoin can earn a good amount per month at a given difficulty levels. As crypto prices rise, so do potential earnings.
  • Customization – Pick exactly which GPUs, components, and software to use. Tweak and configure for optimal performance.
  • Hobby – Building and optimizing rigs is an enjoyable hobby for many crypto enthusiasts. Plus you get to learn useful new IT skills.
  • Decentralization – Home mining helps secure blockchains in a decentralized manner compared to large mining farms.

Choosing GPUs and Components

The most critical decision is choosing which GPUs to use. Nvidia RTX 3060 Ti, 3070, and 3080 cards offer excellent mining performance per dollar spent. Even better value when purchased second hands.

For a starter 6 GPU rig, a mix of 3060 Ti and 3070 cards is recommended for beginner, paired with:

  • Motherboard – ASRock H110 Pro BTC+ or similar mining-optimized board as a example
  • CPU – Intel Celeron or i3
  • RAM – 8GB DDR4
  • SSD – 128GB+
  • Frame – Open air aluminum for ventilation
  • PSU – 1200W 80+ Gold
  • Risers – 1 per GPU to connect to motherboard

Ensure all components are compatible before purchasing. Given a budget for your wallet for a fully loaded GPU rig setup can cost a bit of money. You need to ensure it will return reasonable profit. Go to this web site for profitability of altcoin per GPU type, rightfully called “What to mine”. (

Assembling the Mining Rig Frame

Once components arrive, it’s time for assembly. This involves:

  • Mounting the GPUs to the frame using screws or zip ties. Space for max airflow.
  • Installing riser cards into PCIe slots.
  • Connecting GPUs to riser cards using ribbon cable.
  • Inserting RAM, SSD into motherboard.
  • Connecting 24-pin motherboard power cable and 4+4 CPU cable.
  • Using PCIe power cables to wire GPUs to PSU (1-2 cables per GPU).
  • Ziptie cables neatly to maintain airflow.

Avoid powering on until mining software is installed. Double check all connections first. GPU cards use a lot of power. It may be best to power on one card first to see if all of your connection are correct, then put in the rest of the cards.

Configuring Mining Software

For software, Windows and HiveOS are two popular choices. Both allow overclocking and pool configuration. You may want to refer the HiveOS home page for more detail on the installation. (

Key steps include:

  • Installing on the SSD.
  • Choosing a mining pool like Ethermine or Flexpool.
  • Creating wallets to receive payouts.
  • Benchmarking to view initial GPU hash rates.
  • Enabling overclocks to optimize GPU performance.

First Time Boot and Setup

Once built, wired, and loaded with software, it’s finally time for the first boot!

  • Power on and enter BIOS to enable above 4G decoding and gen 1 PCIe slots. Save and reboot.
  • In mining software, check GPUs are detected and benchmarked.
  • The miner software will start running and report the result of each GPU performance.
  • Monitor temperatures to ensure adequate cooling on long mining runs.
  • Stress test rig stability. Reboot several times while monitoring for crashes or hangs.

Optimizing and Troubleshooting Your Rig

To maximize mining profitability:

  • Experiment with power limit and core/memory overclock settings to optimize hash rates.
  • Adjust fan speeds to maintain temps under 70C.
  • Troubleshoot underperforming GPUs. Try swapping riser location.
  • Update mining software, graphics drivers for hash/efficiency improvements.

Ongoing Maintenance and Monitoring

For longevity:

  • Check rig daily for errors or crashes.
  • Keep rig in a cool, dry room with sufficient airflow.
  • Periodically clean dust buildup on GPUs and case fans.
  • Monitor GPU temps and fan speeds.
  • Replace thermal paste if temperatures begin to rise.


Building your own altcoin mining rig is rewarding, educational, and can provide great passive income if done properly. This guide only summarizes the key steps – choose components wisely, assemble meticulously, optimize settings for maximum efficiency, and maintain rigs for long-term mining success. Just one optimized 6 GPU rig can earn a good amount per month. But mining is for future growth of the coin that you are mining. Pick a coin that has good foundation and usage by the crypto community and bet on the future of those coins.

Thanks for visiting this blog. Learn more before you start your own rig building. There are many youtube “how-to” for you to learn from. Do some search!


Components that I used to build my rig.

RTX 3060 TI Video Cards

8 GPU Mining Rig Case

Surge Protector

voltage stabilizer

Here are a few pictures of my own rig.

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