Antminer S19j Pro
Widely used workhorse miner, needs dedicated ventilation and 240V
DCENT_OS Compatible
DCENT_OS is custom firmware developed by D-Central Technologies specifically for home miners. It transforms this miner with whisper-quiet fan profiles, 120V North American outlet support, auto-tuning for maximum efficiency, heater mode integration, and a clean web dashboard for monitoring.
Miners running DCENT_OS score higher on our Home Mining Assessment because the firmware is purpose-built to make industrial hardware livable in residential spaces.
Learn More About DCENT_OS →Professional-Grade Miner
This miner draws 3,050W and produces 75 dB of noise — it is designed for dedicated mining environments, not living spaces. Professional-grade miners deliver the highest hashrate and revenue per unit but require proper infrastructure: a 240V circuit, adequate ventilation or exhaust ducting, and a space where noise is not a concern (garage, basement, warehouse, or outdoor enclosure).
However, this miner is compatible with DCENT_OS — D-Central's custom firmware that adds whisper-quiet fan profiles and 120V North American outlet support. With DCENT_OS installed, this industrial miner can be transformed for home use.
Heater-Class Miner
At 3,050W, this miner outputs approximately 10406.6 BTU/hr of heat — equivalent to a standard electric space heater. Every watt consumed by an ASIC miner is converted to heat with 100% efficiency, making it a space heater that also mines Bitcoin.
During heating season, miner heat can offset part of the heat a room would otherwise need from another electric heater. The economics depend on your electricity rate, room heat demand, BTC price, network difficulty, and noise constraints.
Calculateur de rentabilité
| Period | Revenue | Electricity Cost | Profit |
|---|---|---|---|
| Daily | $2.85 | $5.12 | $-2.28 |
| Weekly | $19.93 | $35.87 | $-15.94 |
| Monthly | $85.42 | $153.72 | $-68.30 |
| Yearly | $1,039.27 | $1,870.26 | $-830.99 |
Heating offset estimates the value of heat replacing an electric space heater during heating season (~6 months/year in Canada). Actual savings depend on your heating setup and climate.
Buy from D-Central
In stock and ready to ship from Laval, Quebec.
Where to Buy the Antminer S19j Pro
D-Central Technologies
CanadaBitcoin Mining Hackers since 2016. Ships from Laval, Quebec.
Full Specifications
| Model | Antminer S19j Pro |
| Model Number | S19j Pro |
| Manufacturer | Bitmain |
| Algorithme | SHA-256 |
| Coins Mined | Bitcoin (BTC) |
| Taux de hachage | 100 TH/s |
| Consommation électrique | 3,050 W |
| Efficiency | 30.5 J/TH |
| Niveau de bruit | 75 dB |
| Chip Model | BM1362 |
| Chip Count | 126 |
| Cooling | Air |
| Voltage Range | 200-240V AC |
| Operating Temperature | 5-40°C |
| Dimensions | 400x195x290 |
| Weight | 13.2 |
| Interface | Ethernet |
| BTU Output | 10406.6 BTU/hr |
| Equivalent Heater | Equal to a 3,050W space heater |
| Daily Power Cost | $5.12/day |
| Monthly Power Cost | $153.72/mo |
| Circuit Requirement | 240V circuit required |
| Release Date | 2021-06-01 |
| MSRP | $2,500.00 |
| Status | Active |
Custom Power Profiles
With custom firmware like DCENT_OS, this miner can be tuned across a wide range of power levels. Lower wattage improves efficiency and reduces electricity costs; higher wattage increases hashrate at the expense of efficiency.
| Wattage | Taux de hachage | Efficiency |
|---|---|---|
| 1,740 W | 65 TH/s | 26.8 J/TH |
| 1,800 W | 70 TH/s | 25.7 J/TH |
| 1,850 W | 76 TH/s | 24.3 J/TH |
| 2,000 W | 80 TH/s | 25 J/TH |
| 2,150 W | 83 TH/s | 25.9 J/TH |
| 2,300 W | 87 TH/s | 26.4 J/TH |
| 2,500 W | 92 TH/s | 27.2 J/TH |
| 2,700 W | 96 TH/s | 28.1 J/TH |
| 2,970 W | 100 TH/s | 29.7 J/TH |
| 3,080 W | 104 TH/s | 29.6 J/TH |
| 3,320 W | 110 TH/s | 30.2 J/TH |
| 3,580 W | 115 TH/s | 31.1 J/TH |
| 3,670 W | 120 TH/s | 30.6 J/TH |
| 3,850 W | 125 TH/s | 30.8 J/TH |
| 4,110 W | 130 TH/s | 31.6 J/TH |
| 4,620 W | 135 TH/s | 34.2 J/TH |
| 4,880 W | 140 TH/s | 34.9 J/TH |
| 5,040 W | 141 TH/s | 35.7 J/TH |
| 5,240 W | 145 TH/s | 36.1 J/TH |
| 5,400 W | 151 TH/s | 35.8 J/TH |
| 5,760 W | 160 TH/s | 36 J/TH |
| 6,084 W | 170 TH/s | 35.8 J/TH |
| 6,444 W | 180 TH/s | 35.8 J/TH |
| 6,804 W | 189 TH/s | 36 J/TH |
| 7,164 W | 199 TH/s | 36 J/TH |
Actual performance varies by individual unit silicon quality, ambient temperature, and cooling configuration. These operating points are achievable with custom tuning firmware such as DCENT_OS; values are calculated at runtime by the autotuner, not fixed presets.
Home Mining Assessment
Widely used workhorse miner, needs dedicated ventilation and 240V
The Antminer S19j Pro is a SHA-256 cryptocurrency miner manufactured by Bitmain. It delivers a hashrate of 100 TH/s with a power consumption of 3050W, achieving an efficiency of 30.5 J/TH.
Built on the BM1362 ASIC chip, uses air cooling, operates at 75 dB noise level, weighs 13.2 kg, measures 400x195x290.
With a home mining score of 84/100, this miner is well-suited for residential use. It produces 10406.6 BTU/h of heat output, making it effective for supplemental space heating.
At 30.5 J/TH, the Antminer S19j Pro sits in the previous-generation efficiency tier; it runs best where electricity is inexpensive, or as a dual-purpose heat source.
Its waste heat (around 10406.6 BTU/h) can be ducted into a room, turning money you would otherwise spend on heating into hashrate.
D-Central’s in-house technicians repair the Antminer S19j Pro, and it runs DCENT_OS, D-Central’s open-source Antminer firmware.
View detailed specifications, real-time profitability calculations, and comparison data for the Antminer S19j Pro in our comprehensive ASIC miner database.
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Codes d'erreur courants du Antminer S19j Pro
Codes d'erreur connus et guides de dépannage pour le Antminer S19j Pro. Cliquez sur une erreur pour des instructions de réparation étape par étape.
Antminer S19 – Fan Speed Error
S19 · S19 Pro · S19j Pro · S19 XP · S19...
Antminer S19 – Hashboard Not Detected (0 ASIC)
Antminer S19, S19 Pro, S19j Pro, S19 XP, S19k Pro
Antminer S19 – Hashboard Voltage Error
Antminer S19, S19 Pro, S19j Pro (same root-cause pattern also affects S19...
Antminer S19 – Low Hashrate (Missing ASIC Chips)
Antminer S19, S19 Pro, S19j, S19j Pro, S19 XP, S19k Pro
Antminer S19 – Temp Sensor Failure
Antminer S19, S19 Pro, S19j Pro, S19 XP
Antminer S19 – Temperature Too High (Temp1/Temp2 > 95°C)
Antminer S19, S19 Pro, S19j Pro, S19 XP, S19k Pro (3250 W...
Frequently Asked Questions
What are the current mining economics for the Antminer S19j Pro?
At $0.07/kWh, the Antminer S19j Pro currently shows an estimated daily net cost of $2.28 before pool fees and hardware cost. Lower electricity rates, network changes, BTC price changes, or useful heat recovery can change the result.
Can I mine Bitcoin at home with the Antminer S19j Pro?
Yes, the Antminer S19j Pro scores 84/100 for home mining viability. It produces 75 dB of noise and draws 3,050W. It is suitable for home environments with appropriate placement considerations.
Can the Antminer S19j Pro heat my home?
The Antminer S19j Pro outputs approximately 10406.6 BTU/hr of heat. For reference, a typical space heater produces 5,000-5,500 BTU/hr. All electrical energy consumed by the miner is converted to heat, making it 100% efficient as a heater. D-Central offers Bitcoin Space Heater builds designed specifically for home heating integration.
Does D-Central repair the Antminer S19j Pro?
Yes, D-Central provides professional repair services for the Antminer S19j Pro. Services include hashboard repair, control board diagnostics, fan replacement, and full refurbishment. Ship your miner to our Laval, Quebec facility for diagnosis and repair.
What power supply does the Antminer S19j Pro need?
The Antminer S19j Pro draws 3,050W of power. You need a power supply rated for at least 3,355W with appropriate voltage (200-240V AC). D-Central stocks compatible power supplies in our shop. Always use a quality PSU from a reputable manufacturer to protect the miner and wiring.