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Compact water-cooled mining unit, matte finish, 180 by 130 by 175 millimetres, four ASIC chips visible through top grille

Stellapex

Stellapex NerdQaxe++ Hydro 4.8TH/s mining hardware

SKU CH-2PWK-MBH26

SHA-256 solo miner delivering 4.8 TH/s at 75 W with water cooling at 40 dB and built-in WiFi

  • Hash rate4.8 TH/s
  • Hash algorithmSHA-256
  • Supported coinsBitcoin (BTC)
  • Miner hardwareBM1370
  • Quantity of hash chips4
  • Network interfaceWiFi
  • 8 TH/s SHA-256 hashrate from four BM1370 chips
  • 75 W power draw at 0.016 J/GH efficiency
  • 40 dB water-cooled operation suits home environments
  • 4 GHz WiFi and 100–240 V adapter for quick setup
  • 180×130×175 mm open-source design weighs 830 g

Home SHA-256 Miner with Water Cooling

The Stellapex NerdQaxe++ Hydro delivers 4.8 TH/s from four BM1370 ASIC chips while drawing 75 W from a 100-240 V AC adapter. It connects over 2.4 GHz WiFi and weighs 830 g in a 180x130x175 mm enclosure. The unit targets Bitcoin, Bitcoin Cash, Bitcoin SV and other SHA-256 coins for solo or lottery mining at home.

Sustained Load Behaviour

At continuous operation the miner maintains its rated 4.8 TH/s with a power efficiency of 0.016 J/GH across the 5-45 °C temperature range. The water-cooling loop keeps chip temperatures stable during 24/7 duty cycles without thermal throttling. Firmware updates are supported through the open-source platform for ongoing optimisation.

Thermals Noise and Power Draw

The closed-loop water cooling limits acoustic output to 40 dB in typical room conditions. Power draw remains at 75 W from the wall adapter while the system operates within 5-95 % relative humidity. The compact 180x130x175 mm footprint allows desk or shelf placement without additional ventilation infrastructure.

How it compares

Measured against everything we stock in ASIC Hardware & PCIe Risers, at today’s prices. Recalculated every night.

Price $241.99
Cheaper than about 81% of the 566 comparable items (median $792.99).

New to this? Buying an ASIC miner with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameStellapex
Product lineNerdQaxe++901
Model nameNerdQaxe++901
Product typeMining Machine/Miner
Performance
Hash rate4.8 TH/s
Hash algorithmSHA-256
Processor
Miner hardwareBM1370
Connectivity
Network interfaceWiFi
Power
Power draw75 W
Power supplyAC Adapter
Power efficiency0.016j/Gh
Size & build
Measurements180 × 130 × 175 mm
Product weight830g
Compatibility
Supported coinsBitcoin (BTC)
In the box
Quantity of hash chips4
Included items1* NerdQaxe++901 BTC Miner
1* AC Cable
1* User Manual
Environment & compliance
Operating noise40 dB
Operation temperature5–45 °C
Operation humidity5–95 %
More details
Cooling fansWater Cooling

Questions about this item

How loud is the water-cooled Stellapex NerdQaxe++ Hydro when it runs continuously at 4.8 TH/s?

The miner operates at a quiet 40 dB, making it suitable for home or office environments without disruptive fan noise.

Does the Stellapex NerdQaxe++ Hydro need any extra equipment beyond the included AC adapter and cable to start mining?

Only a 100-240 V mains socket and a 2.4 GHz Wi-Fi network are required; the package already contains the power adapter, AC cable and the miner itself.

Will the Stellapex NerdQaxe++ Hydro work alongside my older SHA-256 USB stick miners on the same pool?

Yes, it mines the same SHA-256 algorithm and connects via Wi-Fi, so it can point to any pool that accepts BTC, BCH or BSV shares from legacy devices.

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