Hashrate
234Th/s
Power
3510W
Efficiency
15.00 W/TH
Availability
310 in stock
Product overview
Built for reliable commercial mining
Manufacturer Bitmain Model Antminer S21 Pro (234Th) Also known as Antminer S21 Pro Release Jun 2024 Size 400 x 195 x 290mm Noise level 75dB Fan(s) 2 Power 3510W Interface Ethernet Temperature 5 - 45 °C Humidity 5 - 95 %
Tested & certified
Prepared and checked before delivery
Global delivery
Shipping support to more than 50 countries
Managed hosting
Power, cooling, monitoring, and operations support
24/7 assistance
Sales, delivery, hosting, and after-sales help
Profitability
Estimated operating economics
Review estimated revenue, electricity cost, net result, and payback timing alongside the machine price and power profile.
Net Profit / Day
-$1.07
Last updated: Jul 26, 2026, 12:54 AM
Gross Revenue / Day
$7.5
Estimated before deductions.
Electricity / Day
$8.42
3510W at $0.1000/kWh.
Net Profit / Day
-$1.07
Estimated after costs.
Pool Fee
$0.15
2%
Hosting Commission
$0
0%
Monthly Net
-$32.1
30-day estimate
Yearly Net
-$390.55
365-day estimate
ROI Estimate
Not available
Based on net/day
Mining Coin
BTC
Calculator target
Data Source
WhatToMine
Profit feed
Status
Loss / Break-even
Profit category
Installation check
Can I run this miner?
Check the electrical, heat, noise, and uptime requirements for Bitmain Antminer S21 Pro (234Th/s). This is a planning estimate; a qualified electrician should approve the final installation.
Assessment
Changes are recommended before installation
Hosted mining or a purpose-built mining space is the safer option for this setup.
Total load
3,510 W
Current draw
16.0 A
Recommended breaker
20 A
Monthly energy
2,527 kWh
Monthly power cost
$303.26
Heat output
11,976 BTU/h
Estimated noise
75 dB
Operating location
Not selected
What to address
- The selected cooling setup may not remove the heat produced safely.
- Estimated noise is about 75 dB, which may exceed your selected tolerance.
- This setup is likely unsuitable for normal living space because of heat, noise, and power demand.
PDU: 220V PDU rated above 20A
Cable: A dedicated circuit and cable sized by a licensed electrician
Cooling: Exhaust heat directly outdoors and keep intake air clean and unrestricted.
Deployment fit
Evaluate this machine against your operating target
Consider this miner if its algorithm, power draw, hashrate, and estimated payback profile match your mining plan.
Hosting
Deploy through Rocket Crypto managed hosting
Hosting is useful if you do not want to manage power, heat, noise, cooling, uptime monitoring, and physical maintenance yourself.
Operating assumptions
Understand the variables behind the estimate
Profit estimates help compare ASIC miners using the available machine data and market assumptions.