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Bitmain Antminer S19K Pro 120 TH/s SHA-256 Bitcoin Miner

Model: Antminer S19k Pro

120 TH/s 2760W SHA-256 23 J/TH

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Total Price

$1,290.00

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Pay with: Bank Transfer | BTC | ETH | USDT

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Tested hardware

Worldwide

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Support

Mining experts

Hashrate

120 TH/s

Power

2760 W

Efficiency

23.00 J/TH

Noise

75 dB

The Bitmain Antminer S19K Pro is the value entry into SHA-256 Bitcoin mining: 120 TH/s at 2,760W and 23 J/TH, air-cooled on four fans. It is a proven S19-series workhorse, a clear step up from the older S19j Pro (90 to 104 TH/s) at one of the lowest acquisition costs of any current Antminer. The tradeoff is efficiency: at 23 J/TH it runs behind newer units like the S21 (17.5 J/TH), so it earns best on cheap or hosted power near $0.04 to $0.05 per kWh rather than residential rates. It needs a 220 to 240V circuit and a managed space for its 75 dB output. MillionMiner ships it with the 365-day Bitmain warranty and free DDP worldwide, all duties paid.

Estimated Mining Returns

Based on current BTC price & network difficulty. Indicative only.

Period Daily Weekly Monthly
Income
$4.92 $34.44 $147.60
Electricity
-$3.31 -$23.17 -$99.30
Profit
$1.60 $11.20 $48.00

Using 0.050 $/kWh · Network difficulty as of today. Estimates only.

Adjust rate in the bar above

Updated daily. Last refresh: Aug 17, 2026. Estimates at $0.08/kWh.

At a Glance Live data · August 17, 2026
Best for

First-time miners and small farms at $0.04–$0.07/kWh hosting rates.

Daily profit by electricity rate
Your rate · $0.050/kWh
+$1.61 /day
ROI ~27 months
Hosted · $0.040/kWh
+$2.27 /day
ROI ~19 months
Avg US grid · $0.070/kWh
+$0.28 /day
ROI ~154 months
Home power · $0.120/kWh
−$3.03 /day
Unprofitable at this rate
Breakeven rate Profitable below $0.074/kWh
Efficiency rank #94 of 145 SHA-256 miners in our catalog (23 J/TH)
Availability In stock · ships in 5–7 days · DDP worldwide
Hosting compatibility ✓ All US facilities (air)
Hardware specs
Hashrate 120 TH/s
Power 2,760 W
Efficiency 23 J/TH
Noise 75 dB
Weight 13.2 kg
Cooling Air
Buy now — from $1,290 Get hosting quote

Full Specifications

Hashrate 120 TH/s
Power Consumption 2760 W
Efficiency 23.00 J/TH
Algorithm SHA-256
Model Antminer S19k Pro
Release Year Jan 2023
Noise Level 75 dB
Dimensions 195 x 290 x 370mm
Weight 13.2 kg
Voltage 12V
Interfaces Ethernet
Operating Temp 5 - 45 °C
Humidity 5 - 95 %
Cooling Type Air

What's in the Box

Antminer S19k Pro
Power supply unit (PSU)
Power cables
Quick start guide

Contents may vary by batch. Exact items listed in order confirmation.

Quick Setup

1

Connect PSU to miner and plug into the outlet

2

Connect ethernet cable to your router or switch

3

Find miner IP via router admin or IP scanner tool

4

Open web interface, enter pool URL and wallet — start mining

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Product Details

Bitmain Antminer S19k Pro 120TH Low Power Air Cooled SHA-256 Bitcoin Miner

Lower bin S19k Pro on 12V DC. 120 TH/s at 2,760W versus the higher bin at 136 TH/s and 3,264W. Different chip grading, different output, different power draw, but the same external PSU requirement. 12V DC at 120 TH/s draws roughly 230 amps from your power supply. That is a substantial PSU. The S19k Pro 120 TH/s sits mid pack in the S19 generation. Above the S19j Pro (96 to 104 TH/s) but below the S19j Pro+ (117 to 122 TH/s). The "k" designation indicates a different manufacturing run. Multiple chip revisions across the S19 generation produced overlapping models with similar output but different naming. 2,760W at roughly 23.0 J/TH. Better than base S19 models (34+ J/TH) but behind the S19j XP (21.5 J/TH). 12V DC input means a separate high amperage PSU is mandatory. Factor $100 to $300 for the PSU. The total acquisition cost is miner plus PSU. Daily electricity at $0.07 per kWh: $4.64. Monthly: $139. Bitmain Antminer firmware with extensive third party support. Braiins OS autotuning can squeeze additional efficiency from S19k Pro hardware. The S19 series has the most mature optimization ecosystem of any Bitmain generation. 195 x 290 x 370mm at 13.2 kg. 12V input. Ethernet. 5 - 45 °C. Bitmain firmware. Daily electricity at $0.07 per kWh: $4.64. Monthly: $139. Compare against Bitcoin revenue at 120 TH/s and current difficulty. For operators: total cost of ownership equals acquisition plus electricity ($4.64 daily) times deployment days. Compare against alternatives. at your specific rate, the Antminer S19k Pro either beats alternatives on Bitcoin per dollar or it does not.

Antminer S19k Pro 120TH Low Power Cost Efficient Bitcoin Miner

Lower bin S19k Pro at 120 TH/s and 2,760W on 12V DC input. Requires a separate 12V PSU at high amperage. Different power architecture from the 136 TH/s AC model. S19 generation at 23.0 J/TH. Discount pricing for cheap electricity fleet scaling. Air cooled at 75 dB. Bitcoin, Bitcoin Cash, all SHA 256. Bitmain firmware. 195 x 290 x 370mm at 13.2 kg. Ethernet. 5 - 45 °C. Industrial 75 dB. Dedicated mining space required. Plan for 2760W heat exhaust. Bitmain firmware for pool configuration and monitoring. Compare pricing against competing models at this tier. Total fleet hashrate determines coins mined. Model conservatively. Industrial 75 dB demands dedicated space. Warehouses, containers, isolated rooms. Plan for 2760W heat exhaust through ventilation or HVAC. Bitmain firmware for pool configuration. Evaluate pricing against competitors. Total deployed hashrate determines production. Model conservatively with current network data.

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Antminer S19k Pro 120TH BTC Miner

Industrial SHA-256 from Bitmain. 120 TH/s at 2760W and 75 dB. 12V. 13.2 kg. Bitcoin, Bitcoin Cash, all SHA 256. Ethernet. Bitmain. Compare pricing. Total cost of ownership at your rate. Factor acquisition and deployment duration. Model profitability at your rate. Bitmain firmware. Compare with competing models for fleet value. Factor acquisition and electricity over deployment. Dedicated SHA-256 ASIC silicon for maximum efficiency.

120 TH/s at 2,760W

Lowest power S19k Pro. Cost efficient Bitcoin mining for power constrained facilities.

Budget Fleet Entry

S19k Pro cost optimized design at the most accessible power draw.

Free DDP from MillionMiner

Ships worldwide with Bitmain warranty and free DDP delivery.

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FAQ

Frequently Asked Questions

120 TH/s of SHA-256 at 2,760W with 23 J/TH efficiency. Previous-generation Bitmain miner, more affordable than S21/S23 series.

At $0.07/kWh, margins are very thin. The S19k Pro at 23 J/TH is significantly less efficient than the S21 XP (13.5 J/TH) or S23 (11 J/TH). Profitable only at very low electricity rates under $0.05/kWh. Best purchased at a steep discount for mining with ultra-cheap power.

For new investments, the S21 or S23 series offers dramatically better efficiency and long-term profitability. The S19k Pro only makes sense at deep discounts with access to very cheap electricity.

All SHA-256 coins: Bitcoin (BTC), Bitcoin Cash (BCH), BSV, eCash.

Yes. Free worldwide DDP shipping. Genuine Bitmain hardware.