Sealminer A3 Pro Hyd 666T

Bitdeer's Sealminer A3 Pro is a hydro-cooled SHA-256 unit with a supplier-rated 12.5 J/T efficiency. New to the review catalog at our standard markup. Requires a hydro loop and heat rejection.

Algorithm: SHA-256 (BTC)
Cooling: Hydro (water-cooled)
Type: Miner
Efficiency (supplier): 12.5 J/T

Before you deploy

Hydro units require a water loop and heat rejection.

Research sources

Official A3 Pro Hydro chassis photograph, downloaded locally; copyright Bitdeer. The public listing is 660T, so this is a family reference, not verification of the supplier's 666T bin or power draw.(manufacturer)

666 TH/s$9,879.65Equipment only · per unit

Please confirm pricing and availability with a Pickaxe representative. Listed prices are estimates, not final quotes.

Hashrate: 666 TH/s
Efficiency: 12.5 J/T (supplier)

Confirm warranty with Pickaxe

Quantity

Estimated total$9,879.65

A Pickaxe representative will confirm your final price and availability before you order.

Ships to you. Hosting can be arranged separately with a Pickaxe representative.

Estimated Output

Current network data · Updated Sep 16, 2026, 10:46 PM UTC

Units

Monthly Output

$756.99

0.01 BTC

Electricity

—

Power draw unconfirmed

Monthly Net

—

Requires confirmed power

Estimated annual production

$9,084/yr

BTC network estimate

Estimates subtract electricity at the selected rate only, not the full hosting bill. Any additional service, platform or hydro facilitation fees are quoted separately and are not included. Estimated based on current conditions; actual results vary with network difficulty, market prices and operational uptime.