Bitmain Antminer S19j Pro

Why Choose Antminer S19j Pro?

The Antminer S19j Pro is engineered to dominate SHA-256 mining. Its combination of high hash power, thermal stability, and low energy consumption makes it a preferred choice for miners aiming for long-term profitability and farm scalability. Optimized for maximum efficiency, this hardware ensures stable operations even under continuous load conditions, providing an unmatched blend of performance and operational longevity.

How to Start Mining with Antminer S19j Pro

“Setting up your Antminer S19j Pro is straightforward—just follow the steps, and 

you’re ready to mine.”

Setting up your Antminer S19j Pro requires minimal time but maximum attention to power management and network configuration. Connect the ASIC to a stable 220V power source, ensuring a dedicated circuit to maintain uninterrupted operations. The device comes preconfigured for standard SHA-256 mining pools, but miners seeking optimal ROI often adjust firmware settings for farm-specific efficiency optimization.

Estimate Time

Mining profitability depends on hashrate, Bitcoin network difficulty, and energy efficiency. The Antminer S19j Pro achieves a high ROI in competitive mining scenarios, making it ideal for farms seeking scalable operations. Professional users report consistent returns when combining multiple units under controlled environmental conditions.

• Typical ROI estimation ranges between 6 and 12 months depending on electricity costs and Bitcoin market fluctuations.
• Hashrate optimization and energy management directly influence break-even time and overall farm efficiency.

By aligning hardware management with environmental control, miners can reduce downtime, extend the lifecycle of each ASIC, and maintain peak SHA-256 performance over years of operation.

Shipping

EZ Blockchain offers expedited shipping with full tracking for all Antminer S19j Pro units. Our logistics are optimized to handle high-value ASIC hardware, ensuring safe and timely delivery to your mining farm.

Returning Policy

We prioritize customer satisfaction with a flexible return policy for defective or mis-shipped units.

• Returns are accepted within 30 days of delivery.
• Products must include all original packaging and accessories.
• Refunds are processed within 7 business days after inspection.

Extended warranty returns or exchanges for technical faults are handled with precision to minimize downtime.

• Hardware defects are covered up to 180 days from the date of purchase.
• Technical support is available 24/7 to guide setup, firmware updates, and troubleshooting.
• Replacement ASICs shipped within 5 business days after verification.

EZ Blockchain ensures every miner receives a reliable, fully operational unit—because your farm’s uptime directly correlates with profitability.

Warranty

All Antminer S19j Pro hardware comes with Bitmain’s standard warranty, covering manufacturing defects and critical component failures.

Professional miners benefit from extended support options for multi-unit farm deployments, including on-site guidance and firmware assistance.

• Standard warranty period: 180 days for all ASIC units.
• Coverage includes power supply, hash board, and control board failures.

EZ Blockchain provides optional extended warranty packages, allowing farm operators to secure continuous operations.

• Extended warranty: Up to 12 months for full hardware protection.
• Priority replacement and technical support for large-scale deployments.

With comprehensive warranty coverage, you can mine bitcoin confidently, maximizing the Antminer S19j Pro profitability without compromising on efficiency or hashrate performance.