Top earner right now
#1 of 18Bitdeer · May 2026
Sealminer A4 Ultra Hydro
Hashrate
886.00 Th/s
8.37 kW draw
Profit / 24h
$36.79
at $0.18/kWh
Top coins by payout
- QUAISHA-256$36.79
- PPCSHA-256$30.15
- BTCSHA-256$30.02
Hydro ASIC hardware · August 2026 dataset
Buy the
hashrate, not
the pitch.
Eighteen liquid-cooled rigs from Bitdeer, Bitmain, MicroBT and VolcMiner. Every listing carries its real hashrate, its real draw, and what it actually paid out over the last 24 hours — on QUAI, Peercoin, Bitcoin, NiceHash and Dogecoin.
- Rigs in stock
- 18
- Peak hashrate
- 886 Th/s
- Best efficiency
- 9.45 W/Th
Watts per terahash · lower is better
The efficiency ladder
Efficiency is the only spec that compounds. At scale, a two-watt difference per terahash decides whether a site survives the next difficulty adjustment.
- 01Bitdeer Sealminer A4 Ultra Hydro9.45 W/Th
- 02Bitmain Antminer S23 Hyd9.50 W/Th
- 03Bitdeer Sealminer A4 Pro Hydro10.90 W/Th
- 04Bitmain Antminer S21 XP+ Hyd11.00 W/Th
- 05Bitmain Antminer S21j XP Hydro12.00 W/Th
- 06Bitmain Antminer S21 XP Hydro12.00 W/Th
- 07Bitdeer Sealminer A3 Pro Hydro12.50 W/Th
- 08Bitmain Antminer S21E XP Hyd 3U13.00 W/Th
Next four by payout
All 18 rigsBitmain · Nov 2024
Antminer S21E XP Hyd 3U
- Hashrate
- 860.00 Th/s
- Power
- 11.18 kW
- Efficiency
- 13.00 W/Th
- Benchmark
- $0.13/kWh
Rack-native 3U enterprise sled. 860 Th/s per slot, built for container density.
Top payouts / 24h
- QUAI$35.71
- PPC$29.35
- BTC$29.14
Bitdeer · Jun 2026
Sealminer DL1 Hydro
- Hashrate
- 52.50 Gh/s
- Power
- 7.85 kW
- Efficiency
- 149.52 W/Gh
- Benchmark
- $0.16/kWh
The Scrypt flagship. 52.5 Gh/s at 149.52 W/Gh — nothing else on Litecoin/Doge is close.
Top payouts / 24h
- QUAI$29.47
- NiceHash$26.21
- DOGE$19.81
Bitdeer · May 2026
Sealminer A4 Pro Hydro
- Hashrate
- 680.00 Th/s
- Power
- 7.41 kW
- Efficiency
- 10.90 W/Th
- Benchmark
- $0.16/kWh
Same A4 platform, softer power envelope. 680 Th/s at 7.4 kW suits retrofitted rooms.
Top payouts / 24h
- QUAI$28.27
- PPC$23.71
- BTC$23.04
Bitdeer · Sep 2025
Sealminer A3 Pro Hydro
- Hashrate
- 660.00 Th/s
- Power
- 8.25 kW
- Efficiency
- 12.50 W/Th
- Benchmark
- $0.14/kWh
A proven 2025 workhorse at 660 Th/s. Widely deployed, so spares are everywhere.
Top payouts / 24h
- QUAI$27.44
- PPC$23.07
- BTC$22.36
What you get
A dealer that shows the numbers before the invoice
Every figure, on the page
Hashrate, draw, watts per terahash, benchmark power price and the 24h payout on each supported coin. No “contact us for specs”.
Hydro-only, on purpose
Liquid cooling is the reason these units hit their nameplate. We stock nothing that needs a wall of fans to stay in spec.
Freight, spares, burn-in
72-hour bench burn-in on used stock, twelve-month cover on refurbished units, and freight quoted to your door at the same time as the hardware.
Tell us your power price.
We will tell you what to buy.
Send a shortlist or just your site details. You get unit pricing, lead time, freight and an honest read on payback — usually the same working day.