Catalogue
SHA-256Hydro cooledReleased Sep 2025#5 by 24h profit

Bitdeer

Sealminer A3 Pro Hydro

A proven 2025 workhorse at 660 Th/s. Widely deployed, so spares are everywhere.

Hashrate

660.00 Th/s

Power draw

8.25 kW

Efficiency

12.50 W/Th

Profit / 24h

$27.44

Email about this unit

Priced per unit on request — pricing moves with batch, condition and freight destination.

SHA

Technical faceplate drawing generated from this unit's own specs — board count, port layout and vent density track the real configuration. Photography available on request.

The short version

By now the A3 Pro has a year of field data behind it and the failure modes are well understood — mostly quick-disconnect O-rings and the occasional PSU fan. That maturity is the selling point. Secondary-market units are plentiful, and our refurb line carries them with the same twelve-month cover as new stock.

  • Mature platform with a deep spares channel
  • 12.50 W/Th at 660 Th/s nameplate
  • Available new or factory-refurbished

Full specification

Manufacturer
Bitdeer
Model
Sealminer A3 Pro Hydro
Release
Sep 2025
Algorithm
SHA-256
Cooling
Hydro — direct liquid loop
Nameplate hashrate
660.00 Th/s
Power at the wall
8250 W
Efficiency
12.50 W/Th
Benchmark power price
$0.14/kWh
Electricity cost / 24h at benchmark
$27.72
Gross revenue / 24h
$27.44
Profit / 24h
$27.44
Data source
August 2026 dataset

Run the numbers

Break-even power price: $0.139/kWh

Gross / day

$26.89

Power / day

−$27.17

Net / day

$-0.27

Net per month
$-8.35
Net per year
$-100.16
Margin on revenue
-1.0%

Gross revenue is the catalogue figure for this unit. Net subtracts electricity at your rate only — pool fees, hosting and hardware amortisation are not included, and payouts move with network difficulty.

Where the money comes from

Best-paying SHA-256 targets over the last 24 hours.

Top coins — revenue

  • QUAISHA-256$27.44
  • PPCSHA-256$23.07
  • BTCSHA-256$22.36

Top coins — profit

  • QUAISHA-256$27.44
  • PPCSHA-256$23.07
  • BTCSHA-256$22.36

Switching targets is a firmware and pool-config change, not a hardware change. Most operators point at the top line and let a profit switcher handle the rest.

What a quote includes

  • Unit price at your order quantity
  • Lead time and current batch availability
  • Freight to your site, duties flagged separately
  • Warranty terms — new, refurbished or as-is
  • Payback estimate against your real power price

Comparable SHA-256 units

SHASHA-256$28.27/day

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
Full spec
SHASHA-256$24.12/day

Bitmain · Jan 2026

Antminer S23 Hyd

Hashrate
580.00 Th/s
Power
5.51 kW
Efficiency
9.50 W/Th
Benchmark
$0.18/kWh

Bitmain’s efficiency champion: 9.50 W/Th from a 5.5 kW box.

Top payouts / 24h

  • QUAI$24.12
  • PPC$20.47
  • BTC$19.65
Full spec
SHASHA-256$20.80/day

Bitdeer · Sep 2025

Sealminer A3 Hydro

Hashrate
500.00 Th/s
Power
6.75 kW
Efficiency
13.50 W/Th
Benchmark
$0.13/kWh

Half a petahash per chassis at a price point that clears quickly on volume orders.

Top payouts / 24h

  • QUAI$20.80
  • PPC$17.82
  • BTC$16.94
Full spec