Antminer S21+ Hydro (319-395 th/s)

The fastest and most efficient liquid cooled miner with powersupply included!

Weight 14.5 kg

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Antminer S21+ Hydro (395 th/s)

€2.699,- excl. VAT
Ships out in 7 days

Antminer S21+ Hydro (395 th/s) + Hydro kit

€3.298,- excl. VAT
Ships out in 7 days

Antminer S21+ Hydro (358 th/s)

€2.399,- excl. VAT
Ships out in 7 days

Antminer S21+ Hydro (358 th/s) + Hydro kit

€2.998,- excl. VAT
Ships out in 7 days

Antminer S21+ Hydro (338 th/s)

€2.299,- excl. VAT
Ships out in 7 days

Antminer S21+ Hydro (338 th/s) + Hydro kit

€2.898,- excl. VAT
Ships out in 7 days

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Delivery time: EU & Non-EU

The most competitive pricing structure in Europe.
Extended warranty up to 2 years for private customers
Shipped directly from the Netherlands — no additional import duties, customs fees or delays for EU customers
0% VAT when ordering with an EU company VAT number or when shipping outside EU zone
Professional and fast repair service in the Netherlands

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Antminer S21 Hydro (335 th/s) + HYDRO KIT March 2024

€7.398,- VAT excl. €8.951,58 VAT incl. (21%) Out of stock
395 TH/s Hashrate
5925W Power
SHA-256 Algorithm
15 J/TH Efficiency
Estimate ROI before you buy

ANTMINER S21 Hydro, SHA-256, super efficiency with a top hashrate! Enter a new era of liquid cooling!

Bitmain revealed Groundbreaking S21 Hydro at World Digital Mining Summit 2023

BITMAIN revealed its flagship Antminer S21 Hydro at the World Digital Mining Summit 2023. The summit, took place in Hong Kong from September 22nd to 23rd, carried the theme “Building up for the Bull Market, Mining at the Right Time.”

The S21 Hydro is the latest in Bitmain’s liquid series, achieving an efficiency of 16 J/TH. This marks a significant leap from previous models like the S19 XP Hydro at 20.8 J/TH .

BITMAIN ANTMINER S21 Hydro, SHA-256, superior performance with a top hashrate! The future is coming!

*Unlike most sellers we ship from the Netherlands (EU zone)
*Order without VAT (0%) with a EU company VAT number or by ordering from outside EU.
*The price of mining machines must be adjusted frequently according to many factors, including cryptocurrency/USD exchange rate, the network difficulty, expected difficulty increase, stock availabilty or changes in the algorithm. Refund requests based on these factors cannot be honored.
*Up to two years warranty instead of 180 days.
*Best price in the EU!

Antminer S21 Hydro specifications

Product Glance
Model                         S21 Hyd. – S21+ Hyd.
Algorithm | Cryptocurrency                         SHA256 | BTC/BCH/BSV
Hashrate, TH/s                         335 – 395
Power on wall @25°C, Watt                         5360 – 5925
Power efficiency on wall @25°C, J/TH                         16.0 – 15.0
Detailed Characteristics
Power Supply
Power supply AC Input voltage, Volt(1-1) 380~415V AC
Power supply AC Input Frequency Range, Hz 50~60
Power supply AC Input current, Amp(1-2) 12
Hardware Configuration
Networking connection mode RJ45 Ethernet 10/100M
Miner Size (Length*Width*Height, w/o package),mm(2-1) 339*163*207
Miner Size (Length*Width*Height, with package),mm 570*316*430
Net weight, kg(2-2) 12.3
Gross weight, kg 13.6
Environment Requirements
Inlet water temperature, °C NEM(2-3)

HEM1(2-3)

HEM2(2-3)

35

45

50

Water flow, L/min 8.0~10.0
Water pressure bar <=3.5
Working fluid(2-4) Deionized water/Pure water
Liquid PH 8.5~9.5
Diameter of water pipe connector, mm DN10
Storage temperature, °C -20~70
Operation humidity(non-condensing), RH 10~90%

NOTE:

The Power Cord LP-20 for Hydro PSU 1.5m 2.5mm2 300/500V is included!

(1-1). The Hashrate value, Power on wall, and Power efficiency on wall are all typical values, The actual Hashrate value fluctuates by 3%, and the actual Power on wall and Power efficiency on wall fluctuate by 5%.
(1-2). Inlet water temperature.
(2-1). Caution: Wrong input voltage may probably cause server damaged.
(2-2). Three-phase AC input, 10 A per wire.
(2-3). NEM: Normal Energy Mode; HEM: High Energy Mode.
(2-4). If the water conductivity is ≥100 μs/cm, the fluid must be replaced. The water conductivity is less than 20 μs/cm when the system is running at the first time.

Clicking here to download the manual for installation.

Antminer S21 Hydro

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Why Antminer Distribution Europe?

  • Shipped directly from the Netherlands — no additional import duties, customs fees or VAT delays for EU customers
  • Up to 2-year European warranty on every unit
  • Online since 2014 — trusted by miners across Europe
  • Multiple payment options: bank transfer, Apple pay, credit card, wero and crypto
  • Fast customer support: contact via email, phone, telegram, social media and webchat.
  • Free delivery in NL — pickup option available, no account required to order