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Compact black box miner with three fans and four chips

Bitaxe

Bitaxe NerdQX-8.1T 8.1 TH/s mining hardware

SKU CH-00T1-162BD MPN NerdQX-8.1T

A compact SHA-256 solo miner delivering 8.1 TH/s at 138 W with four BM1370 chips, 2.4 GHz Wi-Fi, three fans and sub-40 dB noise

  • TypeMining Machine/Miner
  • Crypto AlgorithmSHA-256
  • Compatible CurrencyBitcoin (BTC)
  • Hashrate8.1 TH/s
  • 1 TH/s hashrate for solo Bitcoin mining
  • 138 W power draw keeps electricity costs low
  • Four BM1370 ASIC chips deliver SHA-256 performance
  • Three fans maintain stable 24/7 operation under 40 dB
  • 4 GHz Wi-Fi enables plug-and-play setup without wiring

Home Bitcoin Solo Miner

The Bitaxe NerdQX-8.1T is a plug-and-play ASIC miner built for home and office environments. It targets hobbyists, solo miners and lottery miners who want to participate in the Bitcoin network without industrial infrastructure. Four BM1370 ASIC chips deliver a combined 8.1 TH/s hash rate on the SHA-256 algorithm. The unit ships as a complete kit ready for immediate operation.

138 W Global-Voltage Kit

An included AC adapter accepts 100–240 V AC at 50/60 Hz with a 4.0 A input current, removing the need for a separate power supply or voltage selection. Three integrated fans keep the chassis running continuously while acoustic output stays below 40 dB. A 2.4 GHz Wi-Fi link provides network connectivity without Ethernet cabling, simplifying placement anywhere a mains socket exists.

Upgrade From Lower-Rate Nerdminers

Earlier Bitaxe models such as the 1.2 TH/s, 4.8 TH/s, 6 TH/s, 12 TH/s and 15 TH/s variants offer progressively less hashing power at 75 W, 100 W, 240 W and 260 W respectively. Moving to the 8.1 TH/s NerdQX-8.1T adds meaningful throughput at only 138 W and 0.017 J/Gh efficiency, making the step worthwhile when a quieter, more efficient solo-mining platform is preferred over higher-wattage alternatives.

Highlights

  • 1 TH/s hashrate for solo Bitcoin mining
  • 138 W power draw keeps electricity costs low
  • Four BM1370 ASIC chips deliver SHA-256 performance
  • Three fans maintain stable 24/7 operation under 40 dB
  • 4 GHz Wi-Fi enables plug-and-play setup without wiring

Specifications

TypeMining Machine/Miner
Crypto AlgorithmSHA-256
Compatible CurrencyBitcoin (BTC)
Hashrate8.1 TH/s

Questions about this item

How much power does the 8.1 TH/s NerdQX-8.1T draw from the wall?

The unit consumes 138 W while hashing at 8.1 TH/s, giving an efficiency of 0.017 J/GH.

How loud is the three-fan cooler when the miner runs continuously?

Acoustic output stays below 40 dB, which is comparable to a quiet library environment.

What power source must I already have on site for the included AC adapter?

A standard 100–240 V AC outlet at 50 or 60 Hz capable of supplying 4.0 A.

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