Bitcoin

BITMAIN Antminer S21 Hydro 335T Bitcoin Miner

$3,905 CAD

$3,905 CAD

The Bitmain Antminer S21 Hyd 335Th Bitcoin miner is a hydro cooled ASIC miner designed for the SHA-256 algorithm, delivering stable and efficient Bitcoin mining performance. Built for professional and industrial scale environments, it offers dependable output with controlled power consumption.

With a maximum hashrate of 335Th/s and power consumption of 5360W, the Antminer S21 Hyd operates at an energy efficiency of 16 J/Th, making it a practical option for miners focused on scalable BTC mining with predictable operating costs.

Due to rapid market changes, miner prices may fluctuate multiple times even in a short period. Please confirm the price with our sales team before making payment.
ALGORITHM
SHA256
MINEABLE COINS
Bitcoin
HARDWARE SPECIFICS
Baseline Hashrate

335 Th/s

Power Consumption

5360 Watts

Efficiency

16j/Th

Long Game Thinking

BITMAIN Antminer S21 Hydro 335T Bitcoin Miner

The Bitmain Antminer S21 Hydro brings liquid cooling innovation to serious Bitcoin mining operations. This isn’t your typical air-cooled rig – we’re talking about enterprise-grade hydro technology that keeps temperatures stable while pushing out an impressive 335 TH/s of raw mining power.

Antminer S21 Hydro Performance That Scales

What sets this machine apart is how it handles the heat game. Traditional miners get loud and hot under continuous loads, but the S21 Hydro’s liquid cooling system maintains consistent performance even when you’re running 24/7 operations. At 5360W power consumption, you’re looking at 16 J/Th efficiency – solid numbers that translate to better long-term profitability when you factor in electricity rates.

Built for Data Center Deployment

This miner was designed with hosting facilities in mind. The hydro cooling enables much higher deployment density compared to air-cooled units, and the quieter operation means fewer noise complaints. For operators running multiple units, understanding your total hashrate becomes crucial for calculating returns and planning expansions.

The reliability factor here is significant too. Liquid cooling systems typically extend hardware lifespan by maintaining optimal operating temperatures, which matters when you’re thinking about long-term mining economics. Plus, with electricity costs being such a major factor in mining profitability, the S21 Hydro’s efficiency rating helps keep operational expenses manageable.

Key Specifications

  • Algorithm: SHA-256 (Bitcoin)
  • Hashrate: 335 TH/s
  • Power Consumption: 5360W
  • Efficiency: 16 J/Th
  • Cooling: Hydro (Liquid) Cooling
  • Operating Temperature: 5-40°C
  • Noise Level: Significantly reduced vs air-cooled

Other S21 Models

Weight
KG
Dimensions
X
X
mm
Currency
Bitcoin
Algorithm
SHA256
Cooling
Fluid
Network Connection
RJ45 Ethernet 10/100M
Noise Level
50db
Operating Temp
20~50°C
Power Supply
3 PhaseAC380-415v
Hashrate
335 Th/s

We accept the below payment methods

Online Payment

Coinpal Checkout

Offline Payment

USDT/ USDC ERC 20 0x27117c58Cf724c4bc864b4Bc25586694914F069a

USDT TRX TCuFqzAQM68UyRzJiE1u7hHfhwX1YJzx7D

Wire Transfer Via Bank

Bank Details:
Bank Name: TD Canada Trust
Swift Code: TDOMCATTTOR
Customer Number: 20795046539
Institution Number: 004
Branch Address: 624 YONGE ST, Barrie ON, L4N4E6

After payment verification (wire transfer takes 3-7 business days, cryptocurrency payments are confirmed within hours), orders are dispatched within 2-4 days from our Hong Kong Warehouse. Bulk orders may require an additional 1-2 days.
Please note: all machine prices are subject to market fluctuations. We strongly reccomend contacting us to confirm pricing before making payment.
All sales are final and non refundable
6 month manufactuer’s warranty

GUIDES

Our Product Recommendations

Hashrate
430Th/s
Power
5590 W
Efficiency
13j/Th
Difficulty
Expert
Hashrate
140 Th/s
Power
3010 W
Efficiency
21.5j/Th
Difficulty
Expert
Bitcoin

Price range: $3,707 CAD through $3,883 CAD

Hashrate
245 Th/s
Power
3510 W
Efficiency
15.09j/Th
Difficulty
Expert
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