Isometric schematic line drawing of a MARA circuit board on a black background.

MARAFW Overview

Hash more with less

More performance. Less power. Innovative auto-tuning. From our team to yours, now you too can experience the technology that sets MARA apart.

Mine Like Mara

Realize your miners’ true potential

Gain an edge and stay ahead of the curve with MARAFW.

Optimize Performance

Boost hashrate while maintaining optimal efficiency.

Auto-tune like never before

Set it and forget it. Quickly optimize miners in minutes.

Overclock or underclock with ease

Overclock in seconds to increase BTC output or underclock for peak efficiency.

Safeguard miners

Intelligent thermal protection activates in seconds to prevent overheating.

Real results

Increase hashrate more efficiently than the competition.

S19J PRO: EFFICIENCY VS. HASHRATE

Benchmark data provided by altairtech.io

Real voices

“Deploying MARAFW across our 15MW S19j Pro fleet yielded outstanding results: up to 35% overclocking, 99% uptime, and industry-leading efficiency at 25-29W/TH. Zero Two is thrilled with the results and our partnership with MARA!”

Abdulrahman HamdyHead of Technology at Zero Two
Dark-mode MARAFW dashboard interface displaying real-time miner performance metrics including fan speed and power consumption.

Get a complete overview of
your miner’s health and performance.

Our solutions

Want to optimize Performance and Efficiency?

Select automatic tuning to intelligently optimize for you.

MARAFW environment profile menu selecting cooling configurations including Air, Hydro, and Immersion Cooling.

Need to Overclock or Underclock?

Choose a mode that suits you best and set a target.

MARAFW settings panel showing Mode Selection target options for Hashrate Target, By Percent, and Power Target.

Air, Hydro, or Immersion?

Switch freely between environment profiles.

MARAFW environment profile menu selecting cooling configurations including Air, Hydro, and Immersion Cooling.

Lost Connection to a Pool?

Add multiple backup pools to switch between them automatically.

MARAFW mining pool setup panel configuring primary and backup stratum URLs, usernames, and passwords.

Is Your Miner Underperforming?

Gain insight into each chip inside your hash board.

MARAFW detailed hashboard dashboard showing individual ASIC chip diagnostic grid, voltage, quality score, and hashrate metrics.

Did Something Go Wrong?

Troubleshoot using detailed logs and export them to your mining software.

MARAFW system log console displaying real-time miner diagnostic output and a support log export button.

Enterprise-grade firmware

Large-scale installation

Deploy across large fleets remotely over the air or via an SD card with minimal downtime.

Immersion ready

Optimize immersion profiles and control or bypass fan checks.

In-house design

Our secure proprietary mining software seamlessly integrates with all standard APIs and implements numerous custom APIs for advanced features.

Integrate Seamlessly with your preferred mining software

MARAFW is compatible with Foreman, Awesome Miner, BTCtools, and others.

Compatible with the latest generation of antminers.

MARAFW supports a wide variety of Antminer S19 and S21 series models, which can be installed remotely over the air or via an SD card.

Supported hardware

S21 XP

S21 Pro

S21 Immersion

T21

S21

S19K PRO

S19J PRO+

S19 XP

S19J PRO

S19 PRO

S19J

S19

Expert support

Our experienced team is here to help.

Unleash the full potential of your Bitcoin mining rigs

Designed in-house by MARA and preloaded with MARA's proprietary firmware – MARAFW – MARA UCB 2100 is a replacement control board for Bitmain Antminers.

Improve profitability, efficiency, and stability. Upgrade to MARA UCB 2100 today and start mining like MARA.

Features

More than just a control board

Unlock the hidden capabilities within your ASIC miners.

Level up your mining game

Boost hash rate. Auto-tune like never before. Overclock or underclock with the click of a button. MARAFW can take your mining game to the next level.

Integrate seamlessly

Our control board supports some of the industry’s leading mining rigs. Simply swap your miner’s current control board and connect it to a mining pool of your choice.

Frequently asked questions

Everything you need to know about MARAFW

MARAFW is custom firmware designed to optimize the individual chip settings of Bitcoin miners, improving their performance and efficiency while stabilizing operations. It also allows for better power consumption management and greater control over the mining hardware.

MARAFW supports most Antminer S19, S21, and T21 series. It works with all Bitmain stock control boards and the MARA UCB 2100. For power supplies, it supports any Bitmain stock PSU and third-party PSUs compatible with Bitmain's firmware. If you encounter compatibility issues, please contact our support team at firmware@mara.com

There are no limitations on which mining pools can be used with MARAFW. You can configure multiple pools using the dashboard or using common mining management tools such as Foreman or BTC Tools.

Everything you need to know about Control Board

MARA UCB 2100 is a replacement control board that comes preloaded with MARA’s proprietary firmware – MARAFW.

MARA UCB 2100’s primary benefits come through MARAFW, which offers several key features to optimize Bitcoin miners: It increases hash rate while maintaining optimal efficiency, allows quick auto-tuning or manual customization of settings for targeted performance, and provides options for overclocking to boost bitcoin production or underclocking for peak efficiency. Additionally, MARAFW includes intelligent thermal protection to prevent overheating, thereby protecting the longevity of miners.

MARA UCB 2100 supports a majority of Bitmain Antminer S19 and S21 series models. However, you should check your control board package for an accurate list of models supported by your board.firmware@mara.com

Supported Miners:

  • S19J
  • S19J Pro
  • S19 XP
  • S19J Pro +
  • S19K Pro
  • S21
  • T21

You can purchase the MARA UCB 2100 with or without the Lifetime License (LTL). Opting for the standard offering without the license incurs a 2.0% developer fee, whereas the premium offering includes the LTL and carries no developer fees, for as long as you are using the control board.

There are no limitations on which mining pools can be used with MARA UCB 2100. You can configure multiple pools using the MARAFW dashboard or using common mining management tools.

Simply swap your miner’s current control board and connect it to a mining pool of your choice. If you have any questions, reach out to firmware@mara.com.

Discounted pricing available

Enterprise and institutional pricing.

Dark industrial banner background showing high-performance cooling fans on Bitcoin mining hardware.

Discover the power of MARATools

Unlock the ultimate solution for managing and optimizing your mining fleet with MARATools. Designed for miners, it offers a seamless process for firmware installation, configuration, and comprehensive management of your ASICs. Experience efficiency and control like never before.

Ready to optimize your performance and hash more with less?

We're here to help. To schedule a call or a demo with MARA, complete this form.

Attention MARAFW Users: Please note that Bitmain's latest stock firmware update may block usage of third-party ASIC firmwares, including MARAFW, from March 2024 onwards. We are working on it and will provide updates accordingly. Thank you!

Email: firmware@mara.com

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