NerdQAxe++ Hydro vs NerdQX 8T: which quiet miner?
Looking for a Bitcoin miner you can keep in a living room? The NerdQAxe++ Hydro relies on water cooling, the NerdQX 8T on careful design and a big power supply margin. Both have four chips. Here is the comparison.
Published 17 October 2026 · by Pixel
Head to head
| NerdQAxe++ Hydro | NerdQX 8T | |
|---|---|---|
| Hashrate | ≈ 4.8 TH/s | 7.8 TH/s |
| Power draw | ≈ 70 W | 165 W |
| Efficiency | > 15 J/TH | ≈ 21 J/TH |
| Price | about $324 | |
| Electricity per year | €123 | €289 |
| Block odds per year | 1 / 3,990 | 1 / 2,450 |
| Figures | rated figures | from the interface |
Electricity at €0.20 per kWh, around the clock. Solo odds with the network as of 17 October 2026. “Interface”: figures shown by the machine, without power supply losses.
The difference in short
- Cooling: liquid, factory-fitted, on the Hydro; a fan on the NerdQX 8T, with dedicated cooling for the voltage regulators.
- Hashrate: about 4.8 TH/s rated for the Hydro, 7.8 TH/s for the NerdQX at stock settings.
- Power draw: about 70 W rated for the Hydro, 165 W for the NerdQX.
Noise
Both are made to sit near you. The Hydro keeps its chips at a stable temperature thanks to water, with noise that is easily acceptable in a living room. The NerdQX 8T runs under 45 dB at stock settings.
Electricity and odds
The Hydro draws about half as much: about €123 of electricity a year at €0.20 per kWh, against €289 for the NerdQX. In return the NerdQX has more hashrate: about 1 chance in 2,450 per year solo, against 1 in 3,990 for the Hydro (network as of 17 October 2026).
As for headroom, some have pushed the Hydro to 8 TH/s, with well-managed cooling and a solid power supply. The NerdQX passes 10 TH/s thanks to its 250 W power supply.
Which one should you choose?
- The NerdQAxe++ Hydro if you want the lowest power draw and the calm of water cooling.
- The NerdQX 8T if you want more hashrate at a contained price, about $324 with power supply, still under 45 dB.
Frequently asked questions
Which Bitcoin miner for a living room?
The NerdQAxe++ Hydro and the NerdQX 8T are made for it: water cooling for one, under 45 dB for the other. Smaller, a Bitaxe Gamma GT with a Noctua fan also becomes very quiet.
Which one draws the least power?
The NerdQAxe++ Hydro: about 70 W rated, against 165 W for the NerdQX 8T. The NerdQX does deliver more TH/s.
The full reviews
- NerdQAxe++ Hydro review: the water-cooled mini miner Four chips, pre-assembled liquid cooling, and office-level noise.
- NerdQX 8T review: the desk miner that runs silent 7.8 TH/s for 165 W under 45 dB, a serious power supply and room to overclock.
Compare all machines · The solo mining calculator
Figures come from my reviews, where each machine’s origin is stated. If you buy, my partner code for MineShop is in Support.