Hashrate
338–395 TH/s
Power consumption
5360–5925 W
Efficiency
15.00–15.86
Why Choose the BITMAIN Antminer S21+ Hydro?
High computing power
The device’s specifications were designed with efficient cryptocurrency mining in mind.
Effective Air Cooling
Efficient airflow aids in heat dissipation during continuous operation of the device.
Reliable 24/7 operation
The device is designed for stable, round-the-clock operation.
Simple setup
Setting up and configuring the device is straightforward and convenient.
Control Panel
The built-in panel allows you to control the device’s settings and operating parameters.
Warranty
This device is covered by OnlyBestMiners’ warranty and after-sales support.
Available versions of the device
| Version | Hashrate | Power Consumption | Efficiency |
|---|---|---|---|
| BITMAIN Antminer S21+ Hydro – 338th – 338 TH/s | 338 TH/s | 5,360 W | 15.86 |
| BITMAIN Antminer S21+ Hydro – 358th – 358 TH/s | 358 TH/s | 5,370 W | 15.00 |
| BITMAIN Antminer S21+ Hydro – 395th – 395 TH/s | 395 TH/s | 5,925 W | 15.00 |
Technical specifications
Important Before Starting the Device
Power Supply
The electrical system must be properly configured to support continuous operation of the device, which has a power consumption of 5,360–5,925 W.
Cooling
The device uses air cooling. Ensure a supply of cool air, effective exhaust of hot air, and adequate ventilation in the room.
Network connection
A 10/100 Mb/s RJ45 Ethernet connection is used for configuring and operating the device.
Don’t have a suitable place for an excavator?
Professional ASIC Miner Hosting
OnlyBestMiners offers the option to place your equipment in a professionally prepared facility with adequate power, ventilation, internet access, and technical support. We create the ideal conditions for your machines.
Why should you buy from OnlyBestMiners?
01
Help with selection
We’ll help you choose a device that suits your needs and budget.
02
Configuration
We help you get started and connect to the pool.
03
ASIC Service
We provide specialized service support for ASIC excavators.
04
Web Hosting
The option to house the device in our server room.
Important Information About Profitability
The profitability of a mining rig is not constant. It depends, among other things, on the cryptocurrency exchange rate, network difficulty, pool fees, and energy costs. The results provided by calculators are for reference only.
Do you need help choosing a device?
Contact the OnlyBestMiners team. We’ll help you choose a device that fits your energy costs, technical conditions, and planned operating conditions.






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