The Bitcoin Miner S21j XP Hyd. is engineered for miners who prioritize performance, energy efficiency, and long-term operational stability. With a powerful 495 TH/s hashrate and optimized hydro-cooling architecture, this miner is built for continuous, high-density mining environments where thermal control and reliability are critical.
Operating at 5,940W with an efficiency rating of 12 J/TH, the S21j XP Hyd. significantly reduces heat buildup compared to air-cooled systems, helping maintain consistent performance under sustained workloads. The hydro-cooling system allows for quieter operation and improved component longevity when paired with proper cooling infrastructure.
Designed for three-phase power systems, this miner integrates seamlessly into professional mining farms, data centers, and hosting facilities. Optimized for the SHA-256 algorithm, it supports mining of BTC, BCH, and BSV, offering flexibility across multiple blockchain networks.
The Bitcoin Miner S21j XP Hyd. is best suited for experienced miners and institutional operations with access to appropriate electrical and liquid-cooling setups. Actual performance may vary depending on environmental conditions, power quality, and cooling configuration.
Supported Algorithm & Coins
| Algorithm | Supported Coins |
|---|---|
| SHA-256 | BTC · BCH · BSV |
Performance Specifications
| Specification | Value |
|---|---|
| Model | S21j XP Hyd. |
| Version | 495T-10 |
| Typical Hashrate | 495 TH/s |
| Power Consumption (at 35°C) | 5,940 W |
| Power Efficiency (at 35°C) | 12.0 J/TH |
| Cooling Type | Hydro Cooling |
Power Supply Specifications
| Specification | Value |
|---|---|
| Power Phase | 3-Phase |
| Input Voltage | 380 – 415 V |
| Input Frequency | 50 – 60 Hz |
| Maximum Input Current | 12 A |
⚠️ Important: Incorrect input voltage may cause permanent damage to the miner.
Hardware & Physical Specifications
| Specification | Value |
|---|---|
| Network Connection | RJ45 Ethernet (10/100M) |
| Dimensions (Without Packaging) | 430 × 176 × 208 mm |
| Dimensions (With Packaging) | 570 × 316 × 430 mm |
| Net Weight | 16.2 kg |
| Gross Weight | 18.3 kg |
Cooling & Environmental Requirements
| Specification | Value |
|---|---|
| Inlet Coolant Temperature | 20 – 50 °C |
| Coolant Flow Rate | 8.0 – 10.0 L/min |
| Coolant Pressure | ≤ 3.5 bar |
| Supported Coolants | Antifreeze / Pure Water / Deionized Water |
| Coolant Pipe Connector Diameter | OD 10 mm |
| Storage Temperature | −20 – 70 °C |
| Operating Humidity | 10 – 90% RH (Non-Condensing) |
Coolant pH Requirements
-
Antifreeze: 7.0 – 9.0
-
Pure Water: 6.5 – 7.5
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Deionized Water: 8.5 – 9.5
Shipping Information
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Orders are processed on a first-paid, first-shipped basis.
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Buyers are responsible for complying with local customs and import regulations.
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Delays or returns due to incomplete documentation remain the buyer’s responsibility.
Warranty Information
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365-day limited hardware warranty starting from the shipping date.
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Covers manufacturing defects under normal operating conditions.
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Damage caused by improper voltage, incorrect installation, unauthorized modification, or misuse is not covered.
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Warranty service is provided by Bestgraphiccardsusa as the reseller.
Important Notes
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Hashrate may vary by ±3%.
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Power consumption and efficiency may vary by ±5%.
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Mining performance depends on electricity cost, network difficulty, and cooling setup.
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