MicroBT
WhatsMiner M66S 286T
AvailableNew
- Hashrate
- 286TH/s
- Power
- 5,291W
- Efficiency
- 18.5J/TH
- Immersion
- SHA-256
$2,445.30$8.55/TH
Picture of the model. The unit you receive may differ in appearance.
Canaan Avalon A1566I 249 TH/s Bitcoin Miner
The Avalon A1566I 249T is an immersion Bitcoin miner from Canaan, rated at 249 TH/s and 4,500 W (19 J/TH). It runs on 220–277 V power.
- Hashrate
- 249TH/s
- Power
- 4,500W
- Efficiency
- 19J/TH
- Cooling
- Immersion
- Coins
- BTC
- Input voltage
- 220–277 V
Versions of this model
- 249 TH/s
- 270 TH/s
Retail price
$1,994.05
per unit · $8.01 per TH/s
- 1–4 units$1,994.05
- 5+ unitsVolume pricing available
View volume pricingVolume pricing
| 1–4 units | $1,994.05 |
|---|---|
| 5–19 units | Volume pricing on request |
| 20–99 units | Request Quote |
| 100+ units | Contact Mining Sales |
- Ships in
- 5–10 business days
$1,994.05Free standard shipping. Excludes duties and taxes
- Manufacturer
- Canaan
- Model
- A1566I 249T
- Algorithm
- SHA-256
- Condition
- New
Product overview
The Avalon A1566I 249T is an immersion Bitcoin miner from Canaan, rated at 249 TH/s and 4,500 W (19 J/TH). It runs on 220–277 V power.
Condition: New.
249 TH/s
Rated hashrate
19 J/TH
Energy per terahash
Immersion
Cooling method
4,500 W
Power draw at the wall
Technical specifications
Fields that are not stated are left out rather than estimated.
Performance
| Hashrate | 249 TH/s (±5%) |
|---|---|
| Power consumption | 4,500 W (±10%) |
| Efficiency | 19 J/TH |
| Algorithm | SHA-256 |
| Supported coins | BTC |
Power & electrical
| Input voltage | 220–277 V AC |
|---|---|
| PSU included | Yes |
Cooling
| Cooling type | Immersion |
|---|---|
| Immersion compatible | Yes |
Physical & environment
| Packaged dimensions | 390 × 290 × 395 mm |
|---|
General
| Release date | June 25, 2024 |
|---|---|
| Manufacturer warranty | 360-day warranty starting from the date of pick-up from the seller |
Mining economics
Estimate output and operating cost for the Avalon A1566I 249T at your own power price. Results are calculations from the inputs shown, not a forecast.
Estimated results (per miner, at $0.06/kWh)
- Est. revenue / day
- $8.84
- 0.00010962 BTC mined / day
- Electricity cost / day
- $6.48
- 108 kWh × $0.06
- Operating result / day
- $2.36
- Revenue less electricity
- Revenue / 30 days
- $265.18
- Electricity / 30 days
- $194.40
- Operating result / 30 days
- $70.78
- Energy / day
- 108 kWh
- Energy / 30 days
- 3,240 kWh
- Break-even electricity
- $0.082/kWh
Estimates only. Not financial advice. Results vary with network difficulty, pool fees, uptime, market conditions, the Bitcoin price and the cost of electricity. They are calculated from the inputs shown at constant difficulty and price, and leave out the cost of the hardware, cooling, downtime, taxes and depreciation.
Network data as of 2026-10-28 13:00 UTC · price: mempool.space · difficulty: mempool.space · block reward 3.1391 BTC
Electricity cost by power price
Daily and 30-day electricity cost of Avalon A1566I 249T at 4,500 W, with the estimated revenue beside it.
| Electricity price | Electricity / day | Electricity / 30 days | Est. revenue / day | Est. net / day |
|---|---|---|---|---|
| $0.03/kWh | $3.24 | $97.20 | $8.84 | $5.60 |
| $0.05/kWh | $5.40 | $162.00 | $8.84 | $3.44 |
| $0.06/kWhselected | $6.48 | $194.40 | $8.84 | $2.36 |
| $0.07/kWh | $7.56 | $226.80 | $8.84 | $1.28 |
| $0.10/kWh | $10.80 | $324.00 | $8.84 | -$1.96 |
| $0.12/kWh | $12.96 | $388.80 | $8.84 | -$4.12 |
| $0.15/kWh | $16.20 | $486.00 | $8.84 | -$7.36 |
| $0.20/kWh | $21.60 | $648.00 | $8.84 | -$12.76 |
Compare miners
How the Avalon A1566I 249T compares with the closest alternatives by cooling type and efficiency.
| Model | Hashrate | Power | Efficiency | Cooling | Price | $/TH | Side by side |
|---|---|---|---|---|---|---|---|
| Avalon A1566I 249T (this miner) | 249 TH/s | 4,500 W | 19 J/TH | Immersion | $1,994.05 | $8.01 | |
| WhatsMiner M66S 286T | 286 TH/s | 5,291 W | 18.5 J/TH | Immersion | $2,445.30 | $8.55 | Side by side |
| Antminer S21 Imm. HEM 301T | 301 TH/s | 5,569 W | 18.5 J/TH | Immersion | On request | — | Side by side |
| WhatsMiner M66 276T | 276 TH/s | 5,492.4 W | 19.9 J/TH | Immersion | $2,097.60 | $7.60 | Side by side |
| Avalon A1566I 273T | 273 TH/s | 4,959 W | 18.2 J/TH | Immersion | $1,607.97 | $5.89 | Side by side |
Shipping
Standard shipping is free to every destination we ship to. If you need it faster, choose express shipping at checkout and we quote it before you pay. Import duties, taxes and customs clearance are set by the destination country and are the importer's responsibility unless your quotation states otherwise.
- Package dimensions
- 390 × 290 × 395 mm
Documentation
Links open the manufacturer's own documentation on the manufacturer's website.
Avalon A1566I 249T questions
How much electricity does the Avalon A1566I 249T use?
The Avalon A1566I 249T draws 4,500 W at the wall (±10%). Running continuously that is about 108 kWh per day and 3,240 kWh per 30 days. Multiply by your electricity price to get the running cost, or use the calculator.
What is the hashrate and efficiency of the Avalon A1566I 249T?
Rated hashrate is 249 TH/s (±5%) at 19 J/TH. Lower J/TH means less energy per unit of hashrate. See Understanding J/TH.
What voltage does the Avalon A1566I 249T need?
Input voltage is 220–277 V AC. It cannot run on a 110–120 V household circuit. Confirm your supply, breaker and cabling with a qualified electrician before ordering. See Bitcoin miner power requirements.
How is the Avalon A1566I 249T cooled?
The Avalon A1566I 249T is built for immersion cooling: it runs submerged in dielectric fluid inside a tank and has no fans. Compare options in Air vs hydro Bitcoin miners.
Does the Avalon A1566I 249T include a power supply?
Yes. The power supply is integrated. Power cables are a separate consideration: check the connector type and your PDU before ordering.
Can I order the Avalon A1566I 249T in bulk?
Yes. Orders are handled by quantity: small quantities through checkout when a price is published, and larger quantities by quotation with pricing, batch and logistics confirmed by sales. Request a wholesale quote.
Similar miners
The closest alternatives by cooling type and efficiency.
Bitmain
Antminer S21 Imm. HEM 301T
AvailableNew- Hashrate
- 301TH/s
- Power
- 5,569W
- Efficiency
- 18.5J/TH
- Immersion
- SHA-256
Price on request
MicroBT
WhatsMiner M66 276T
AvailableNew- Hashrate
- 276TH/s
- Power
- 5,492.4W
- Efficiency
- 19.9J/TH
- Immersion
- SHA-256
$2,097.60$7.6/TH
Canaan
Avalon A1566I 273T
AvailableNew- Hashrate
- 273TH/s
- Power
- 4,959W
- Efficiency
- 18.2J/TH
- Immersion
- SHA-256
$1,607.97$5.89/TH
Wholesale & project supply
Need the Avalon A1566I 249T in volume?
Send quantity, destination and required date. Sales replies with batch availability, unit pricing and freight options for your order size.
- 20+ units
- Mixed models
- Container orders
- Project procurement
Avalon A1566I 249T
$1,994.05