Product Overview

The Bitmain Antminer E9 Pro 3780M is a high-performance Ethereum Classic (ETC) ASIC miner using the Ethash algorithm. With a hashrate of 3780 MH/s (megahashes per second), it is one of the most powerful ETC-dedicated ASIC miners available, designed specifically for the Ethash algorithm as deployed by Ethereum Classic following the Ethereum network’s transition to proof-of-stake.

The E9 Pro series represents Bitmain’s dedicated push into the ETC mining segment following the Ethereum Merge in September 2022, which redirected large volumes of GPU mining hardware toward Ethereum Classic as the primary remaining major Ethash proof-of-work network. The E9 Pro 3780M is the higher-output variant, providing meaningfully more hashrate than the base E9 Pro model while operating at approximately 1.95 J/MH efficiency.

For South African operators, the Antminer E9 Pro 3780M is an interesting option given its relatively moderate power draw (around 3.7 kW) compared to its ETC network contribution, and ETC’s status as the primary Ethash PoW coin by market capitalisation since the Ethereum Merge.

Key Features

• 3780 MH/s hashrate: One of the highest hashrate Ethash ASICs available, delivering substantial ETC mining contribution per deployed unit.
• ~1.95 J/MH efficiency: At approximately 3360W–3720W power consumption, the E9 Pro 3780M offers competitive efficiency within the Ethash ASIC segment.
• Ethash algorithm: Mines Ethereum Classic (ETC) as the primary target. Also compatible with other Ethash-based coins such as Ethash forks and test networks.
• Air-cooled dual fan design: Standard industrial ASIC housing with dual high-speed fans. No specialist cooling infrastructure required for deployment in a standard mining room.
• Standard Ethernet connectivity: Single RJ-45 port for wired pool connection. Web interface for pool configuration, monitoring, and firmware management.
• Bitmain ecosystem support: Full Bitmain firmware ecosystem, including pool management tools and the standard Bitmain web interface familiar to operators running other Bitmain products.
• High single-unit output: The 3780M’s hashrate allows smaller operators to achieve meaningful ETC network contribution without deploying large numbers of units.

Technical Specifications

• Algorithm: Ethash
• Supported coins: Ethereum Classic (ETC), and other Ethash-compatible coins
• Hashrate: 3780 MH/s (±3%)
• Power consumption: ~3720W (±5%) at 25°C ambient
• Power efficiency: ~0.98 J/MH (±5%)
• Cooling type: Air-cooled, dual high-speed fans
• Noise level: ~75 dB(A)
• Input voltage: 200–240V AC
• Networking: Ethernet (RJ-45)
• Operating temperature: 5°C to 45°C
• Dimensions (L×W×H): 400 × 195 × 290 mm
• Net weight: ~15 kg

Power & Installation Notes

South Africa’s 230V/50Hz grid supply is compatible with the Antminer E9 Pro 3780M’s 200–240V input. No voltage converter is required.

At approximately 3720W continuous draw, the E9 Pro 3780M requires a dedicated high-amperage circuit. A dedicated 32A circuit, installed by a registered electrician, is the appropriate choice for single-unit operation. For multi-unit deployments, each unit should be on its own breaker, fed from a properly rated distribution board. Never operate this miner on a standard 16A household socket.

South Africa’s load shedding schedule creates challenges for continuous ASIC mining. At 3.72 kW, a 10kWh residential battery would support less than 2.7 hours of operation. A generator or commercial-grade backup power system is necessary for operations targeting continuous uptime. Miners should calculate their effective daily operating hours based on their load shedding schedule and tariff stage.

Good ventilation is required: the dual fans exhaust significant heat, and the mining space should be maintained below 40°C. Active air extraction is recommended for enclosed rooms. Summer temperatures in South Africa — particularly in Gauteng and the Cape — can stress cooling systems without dedicated thermal management.

Electricity Cost Context — South Africa

Running the Antminer E9 Pro 3780M at 3720W continuously consumes approximately 89.3 kWh per day, or roughly 2 678 kWh per month. At R2.80/kWh (reference residential tariff — varies by municipality), the estimated monthly electricity cost is approximately R7 498 per month.

Calculation: (3720 ÷ 1000) × 24 × 30 × R2.80 = ~R7 498/month.

At standard South African residential tariffs, this is a high operating cost. The E9 Pro 3780M is best suited to operators with commercial or industrial electricity tariffs, or access to renewable energy. Operators should conduct their own ETC mining profitability analysis using current ETC price, network difficulty, and their actual electricity rate — this page provides cost context only and does not project profitability.

Ideal Use Cases

• Ethereum Classic (ETC) dedicated mining farms: Operators building or scaling ETC mining capacity who want maximum single-unit output without GPU rigs.
• Ethash coin diversification: Operators who want dedicated ASIC hardware for Ethash-family coins, particularly ETC which remains the dominant Ethash PoW network post-Ethereum Merge.
• Commercial mining with industrial power tariffs: The E9 Pro’s economics work best at electricity rates achievable on commercial or industrial tariff structures.
• Replacing GPU Ethash rigs with ASIC efficiency: A single E9 Pro 3780M replaces the equivalent of a large GPU mining rig array in terms of Ethash output, in a more compact, lower-maintenance form factor.
• Operators already running Bitmain BTC miners: Familiar Bitmain interface and ecosystem. Easy to integrate into existing Bitmain-managed farm infrastructure.

Frequently Asked Questions

Does the Antminer E9 Pro 3780M work on South African power?
Yes — it is compatible with SA’s 230V/50Hz supply. A dedicated 32A circuit from a registered electrician is required for safe single-unit operation.

What coins can I mine with the Antminer E9 Pro 3780M?
The E9 Pro 3780M runs the Ethash algorithm. Ethereum Classic (ETC) is the primary target coin. It is not compatible with Bitcoin or other SHA-256 coins — it is an ETC-dedicated ASIC.

Is ETC still worth mining after the Ethereum Merge?
Ethereum Classic remains the largest Ethash proof-of-work network since Ethereum moved to proof-of-stake. Whether ETC mining is profitable depends on the ETC price, network difficulty, and your electricity cost. Operators should run current profitability calculations before purchasing. This page does not provide profitability forecasts.

How does the E9 Pro compare to GPU mining for ETC?
The E9 Pro 3780M delivers 3780 MH/s in a single unit. A mid-range GPU (e.g., RTX 3070) produces approximately 40–50 MH/s of Ethash. The E9 Pro offers far superior hashrate density, lower noise-to-hashrate ratio at scale, and simpler management compared to equivalent GPU arrays — though GPUs offer more flexibility to switch algorithms.

What pools are compatible with the E9 Pro 3780M?
All standard Ethash Stratum-protocol pools work with the E9 Pro. Popular ETC pools include 2Miners, Ethermine (ETC), and F2Pool. Configure pool settings via the miner’s web interface.

What’s Included

• 1× Bitmain Antminer E9 Pro 3780M ASIC miner unit
• Integrated or bundled PSU (confirm with order)
• Power cable (region-specific — South African plug may require local adaptor or direct wiring)
• Ethernet cable not included
• Quick-start guide