Bitmain Antminer T19 84TH Overview

The Bitmain Antminer T19 is an application-specific integrated circuit miner
designed for the SHA-256 algorithm. It can mine Bitcoin, Bitcoin Cash and other
compatible SHA-256 cryptocurrencies through a suitable mining pool.

Its typical 84 TH/s performance and approximately 37.5 J/TH efficiency place it
between older 17-series miners and higher-efficiency S19-generation models.
Actual results can vary because of firmware, ambient temperature, pool latency,
power quality and equipment condition.

Working with an experienced Antminer T19 seller is especially
important when purchasing second-hand hardware. A professional seller should
provide current photographs, serial-number information, tested performance and
clear warranty conditions.

Browse other mining equipment through the
HashTitans ASIC miner shop
or visit the
HashTitans homepage
to compare additional Bitcoin miners.

Antminer T19 Technical Specifications

Review the

official Bitmain Antminer T19 specifications

before purchasing, installing or operating the miner.

Important Antminer T19 Features

84 TH/s SHA-256 Performance

The T19 provides approximately 84 TH/s of dedicated SHA-256 computing power.
Pool-side hashrate can fluctuate because of network latency, rejected shares,
temperature and firmware settings.

37.5 J/TH Rated Efficiency

Its efficiency rating shows how much electrical energy is required to produce
each terahash of mining performance. This figure is important when comparing
the T19 with older T17-series or newer S19-series miners.

Integrated Power Supply

The T19 uses an integrated APW12-series power supply. The 12V figure shown on
some third-party product pages refers to internal DC operation and should not
be presented as the required wall voltage.

Four-Fan Cooling

Four high-speed fans move air through the miner to remove heat from the
hashboards. Unrestricted intake airflow and a dedicated hot-air exhaust route
are important for stable operation.

Wired Ethernet Connection

The miner connects through RJ45 Ethernet rather than Wi-Fi. A reliable wired
network helps maintain pool uptime and reduce connection-related rejected shares.

How to Choose an Antminer T19 Seller

A trustworthy Antminer T19 seller should disclose the condition
of each unit and provide evidence that it has been tested before shipment.

Request Current Performance Tests

Ask for screenshots showing detected hashboards, chip status, pool-side hashrate,
temperatures, fan speeds and hardware errors after a meaningful stability test.

Verify the Serial Number

Current product and serial-number photographs help confirm that the quoted miner
exists and that the seller is not reusing generic listing images.

Ask About Repair History

Determine whether the hashboards, control board, fans or PSU have been repaired
or replaced. A repaired miner can still operate well, but the work and testing
quality should be clearly explained.

Confirm Commercial Terms

Request written confirmation of price, minimum order quantity, lead time,
shipping method, customs responsibility, warranty coverage and damaged-on-arrival
procedures.

Contact the
HashTitans sales team
for current stock, tested condition and seller terms.

Used and Refurbished Antminer T19 Units

Many T19 miners available today are used or refurbished. The condition description
should be supported with current test evidence rather than marketing language alone.

Used Units

Used miners may retain their original components but can show dust buildup,
fan wear, corrosion, loose heatsinks or reduced hashboard stability.

Refurbished Units

Refurbished miners may include repaired hashboards, replacement fans, a serviced
power supply or updated thermal materials. Quality depends on the technician,
replacement parts and testing process.

New Old Stock

A unit described as new old stock should include evidence that it has not been
previously deployed in commercial mining, along with appropriate packaging and
serial-number information.

Antminer T19 Power and Installation Requirements

At its rated 3,150W consumption, continuous operation uses approximately
75.6 kWh per day and 2,268 kWh over 30 days.

The T19 requires 200–240V AC input and two simultaneous power connections.
Both inputs should be connected to properly rated cables and circuits before
the miner is switched on.

Breaker capacity, cable gauge, grounding and power-distribution equipment should
be selected for the miner’s maximum expected load. Electrical installation should
be completed or inspected by a qualified electrician.

The machine also produces substantial heat and fan noise. It is generally better
suited to a dedicated mining room, workshop, warehouse or professional hosting
facility than a normal bedroom or shared office.

Antminer T19 Profitability Considerations

Purchasing from a reliable Antminer T19 seller does not guarantee
profitable mining. Returns depend on changing network, market and operating conditions.

• Bitcoin market price
• SHA-256 network difficulty
• Block rewards and transaction fees
• Electricity price per kilowatt-hour
• Mining-pool fees
• Miner uptime and rejected shares
• Cooling and hosting expenses
• Repair and maintenance costs
• Shipping, customs duties and taxes

Calculate current gross mining revenue, then subtract electricity, pool fees,
cooling, repairs, hosting and other costs. Profitability should be recalculated
shortly before purchase because mining conditions can change quickly.

Antminer T19 Buying Checklist

• Confirm whether the miner is new, used or refurbished.
• Request current product and serial-number photographs.
• Ask for pool-side hashrate near the rated 84 TH/s.
• Verify that every hashboard is detected and stable.
• Check chip status, temperatures and hardware errors.
• Ask whether any major components have been repaired.
• Confirm that the integrated PSU works correctly.
• Verify that two compatible power cords are available.
• Confirm access to properly rated 200–240V circuits.
• Review warranty and return terms in writing.
• Calculate shipping, insurance, customs duties and taxes.
• Use a secure and traceable payment method.

Antminer T19 Seller FAQs

What is the hashrate of the Antminer T19?

The standard T19 model delivers approximately 84 TH/s, with an official tolerance
of about ±3%.

How much power does the T19 consume?

Bitmain rates the miner at approximately 3,150W with a tolerance of ±5%.

What is the efficiency of the Antminer T19?

Its official reference efficiency is approximately 37.5 J/TH at 25°C.

Can the T19 mine Bitcoin?

Yes. It uses the SHA-256 algorithm and can mine Bitcoin and other compatible coins.

Does the Antminer T19 use 12V wall power?

No. The miner requires 200–240V AC wall input. The 12V figure refers to internal
DC operation rather than the building supply.

How much electricity does the T19 use daily?

At 3,150W, continuous operation uses approximately 75.6 kWh every 24 hours.

Does the Antminer T19 use Wi-Fi?

No. It connects through wired RJ45 Ethernet.

Where can I find an Antminer T19 seller?

Contact the
HashTitans sales team
for current stock, tested condition, pricing, shipping and warranty terms.