Product Overview

The Bitmain Antminer Z15 Pro 840k is an Equihash algorithm ASIC miner designed for Zcash (ZEC) mining and other Equihash-compatible cryptocurrencies. Delivering 840,000 Sol/s (840 KSol/s) at approximately 2,650W, the Z15 Pro 840k represents the top-tier Bitmain Equihash miner — offering dedicated Zcash mining throughput at professional scale for South African operators interested in ZEC as part of a diversified cryptocurrency mining portfolio.

The Equihash algorithm is best known as the proof-of-work mechanism for Zcash (ZEC), with its privacy-focused blockchain and established track record. The Z15 Pro uses dedicated ASIC architecture to solve Equihash’s memory-intensive computations far more efficiently than GPU mining — a significant advantage for operators who want Zcash mining as part of their ASIC mining portfolio alongside Bitcoin (BTC) SHA-256 miners.

For South African miners, the Z15 Pro 840k offers Zcash mining exposure through a proven Bitmain hardware platform. At 2,650W, it requires a dedicated 32A circuit — placing it in the mid-to-high power tier where proper electrical planning is required but still accessible for serious mining operations.

Key Features

• 840,000 Sol/s (840 KSol/s) Equihash Hashrate: High-performance Zcash mining output at the top of Bitmain’s Z15 series. Dedicated ASIC architecture far surpasses GPU Equihash mining in both hashrate and efficiency.
• Equihash ASIC Architecture: Purpose-built for the Equihash algorithm used by Zcash — delivering substantially better performance and efficiency per watt than GPU mining alternatives.
• 2,650W Power Consumption: Mid-to-high power draw for a Zcash miner. Requires dedicated 32A circuit and appropriate electrical infrastructure.
• Air-Cooled Industrial Design: High-speed axial fans in a front-to-back airflow configuration for rack deployment in ventilated mining facilities.
• Operating Noise ≤72 dB: Typical ASIC industrial noise levels — suitable for dedicated mining rooms or facilities rather than residential environments.
• Bitmain Platform: Built on Bitmain’s established ASIC manufacturing platform with known firmware ecosystem and mining pool compatibility.
• Standard Ethernet Interface: RJ45 with web-based management for pool configuration, monitoring, and firmware updates.

Technical Specifications

• Algorithm: Equihash
• Supported Coins: Zcash (ZEC) and other Equihash-based cryptocurrencies
• Hashrate: 840,000 Sol/s (840 KSol/s) (±3%)
• Power Consumption: ~2,650W (±5%)
• Power Efficiency: ~3.15 W/KSol
• Cooling: Air-cooled, high-speed fans
• Noise Level: ≤72 dB
• Input Voltage: 200–240V AC, 50/60 Hz
• Networking: 1× RJ45 Ethernet
• Operating Temperature: 0°C to 40°C
• Power Supply: Confirm inclusion at time of purchase

Power & Installation Notes

The Antminer Z15 Pro 840k draws approximately 2,650W continuously. South African installations must comply with SANS 10142 and be certified by a registered electrician. A dedicated 32A single-phase circuit is required. South Africa’s 230V / 50Hz supply is within the unit’s 200–240V input range — no transformer needed.

Load shedding at 2,650W is not manageable with residential inverter systems. A commercial inverter (5 kVA+) with a large battery bank could provide limited backup, but plan for downtime during significant load-shedding stages. Factor expected outage hours into operational planning.

Industrial ventilation is important. The Z15 Pro 840k generates significant heat at 2,650W. Active extraction must maintain ambient temperatures below 40°C for sustained rated performance.

Electricity Cost Context — South Africa

At R2.80/kWh reference tariff, the estimated monthly electricity cost is:

(2,650 ÷ 1,000) × 24 × 30 × 2.80 = R5,342.40 per month

This is an operating cost estimate only — not a profitability projection. Zcash mining economics depend on ZEC coin price and network difficulty at the time of operation. Actual tariffs vary by municipality and supply category.

Ideal Use Cases

• Dedicated Zcash (ZEC) mining: The Z15 Pro is purpose-built for Equihash — suitable for operators who specifically want ZEC exposure through dedicated ASIC mining rather than GPU-based alternatives.
• Portfolio diversification beyond Bitcoin: For mining operations primarily running Bitcoin (BTC) SHA-256 miners, the Z15 Pro adds ZEC Equihash exposure as a distinct algorithm with separate market dynamics.
• Commercial Equihash operations: Operators targeting the Equihash mining segment for ZEC or compatible coins at commercial scale will find the Z15 Pro 840k is the leading Bitmain option in this category.
• Equihash network security contributors: ZEC privacy-coin enthusiasts who value contributing to the Zcash network’s proof-of-work security through dedicated ASIC mining.

Frequently Asked Questions

Does the Antminer Z15 Pro work on South African power?
Yes. South Africa’s 230V / 50Hz supply is within the unit’s 200–240V input range. A dedicated 32A circuit certified by a registered electrician is required.

What coins can the Z15 Pro 840k mine?
The Z15 Pro mines the Equihash algorithm, primarily targeting Zcash (ZEC). Other Equihash-compatible coins may also be supported. Zcash is the primary large-cap Equihash coin.

Which pool should I use for ZEC mining?
Major Zcash mining pools include 2Miners, ViaBTC, Flypool, and NiceHash. Configure the pool’s Equihash stratum URL in the Z15 Pro’s web interface and enter your ZEC wallet address as the worker ID.

Can the Z15 Pro handle load shedding?
Not on residential inverter systems. At 2,650W, a 5 kVA commercial inverter with a large battery bank could provide limited backup, but plan for some downtime during significant load-shedding stages.

How does the Z15 Pro compare to GPU Zcash mining?
The Z15 Pro’s dedicated Equihash ASIC delivers far greater hashrate and better power efficiency than GPU-based ZEC mining. If Zcash is your target coin, dedicated ASIC mining with the Z15 Pro is the practical choice for serious operations.

What’s Included

• 1× Bitmain Antminer Z15 Pro 840k mining unit
• Power supply (confirm inclusion at time of purchase)
• Power cables
• Quick-start documentation