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MARA UCB 2100 – Universal Mining Control Board & Firmware for Antminer S19/S21 Series

Original price was: $99.00.Current price is: $59.00.

Condition: New
Location: St Louis, MO, USA
Shipping Date: Ships within 1 business day
Dev Fee:2%

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SKU: ATMUCB2100 Categories: , Tags: , , , , ,

Bulk Discounts

QuantityDiscountPrice
3 - 91%$58.41
10 - 252%$57.82
25 - 993%$57.23
100 +4%$56.64

MINE LIKE MARATHON: UNLEASH THE FULL POTENTIAL OF YOUR BITCOIN MINING RIGS!

As one of the world’s largest publicly traded Bitcoin mining companies, Marathon Digital Holdings, Inc. (“Marathon”) understands the industry’s complex dynamics. To optimize Bitcoin miners, we developed MARA UCB 2100 and MARAFW. From preparing for halving events to overclocking or underclocking miners to maximize profitability & efficiency, these two cutting-edge technologies could help you optimize your performance, just as it helped us. From our team to yours, now you too can experience the technology that sets Marathon apart.

MORE THAN JUST A CONTROL BOARD

Designed in-house by Marathon and preloaded with Marathon’s proprietary firmware – MARAFW –MARA UCB 2100 is a replacement control board that could unlock the hidden capabilities within your ASIC miners. Improve profitability, efficiency, and stability by choosing MARA UCB 2100 .
 

Enhanced Profits, Increased ROI: Amplify your BTC mining revenue with overclocking or prepare for the Bitcoin Halving and underclock for maximum efficiency.

Integrate Seamlessly: Our control board supports most S19 and S21 series models. Simply swap your miner’s current control board and connect it to a mining pool of your choice.

Level Up Your Mining Game: Boost hash rate. Auto-tune like never before. Overclock or underclock with the click of a button. MARAFW will take your mining game to the next level.

MARA Firmware Highlights

Supported Miners*

  • S19j
  • S19j Pro
  • S19 XP
  • S19j Pro+
  • S19K Pro
  • S21
  • T21

*Supports a majority of Bitmain Antminer S19 and S21 series models. Please check your control board package for an accurate list of models supported by your board.

Please note: By purchasing this product, the user hereby acknowledges and agrees to the associated End-User License Agreement (“EULA”). This EULA may change from time to time at Marathon’s sole discretion and may be reviewed here.

MaraFW Overview

Frequently Asked Questions

MARA UCB 2100 is a replacement control board that comes preloaded with Marathon’s proprietary firmware – MARAFW. Find out more here

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.

Supported Miners:

  • S19j
  • S19j Pro
  • S19 XP
  • S19 Pro+
  • S19K Pro
  • S21
  • T21

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.

MARAFW has been tested extensively on ASIC miners over several months and there are both temperature & connectivity based guard- rails in the firmware. However overclocking always comes with additional risk to your hardware and you should proceed with caution. 

No fan spoofers are needed, you can run with 1,2,3,4 or no fans.

Yes, hardware modifications and running custom firmware typically voids Bitmain warranty. This is also the case with other firmware like BraiinsOS+, Vnish, LuxOS etc. 

This control board comes preinstalled with MARAFW firmware and can not be used for running other firmware. 

There’s one time cost to buy UCB hardware and MARAFW firmware is included with the purchase. There’s 2% dev fees for mining with MARAFW. 

Weight0.5 lbs
Dimensions6 × 6 × 2 in
Warranty

Manufacturer warranty runs for a period of 180 calendar days from the date of delivery.

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