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Bitmain Antminer S19K Pro (105-120 TH/s)
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Bitmain
Bitmain Antminer S19K Pro - 105-120 TH/s Bitcoin Miner BTC Mining
Bitmain Antminer S19K Pro - detail view 1 - Bitcoin miner
Bitmain Antminer S19K Pro - detail view 2 - Bitcoin miner
Bitmain Antminer S19K Pro - detail view 3 - Bitcoin miner
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Bitmain Antminer S19K Pro (105-120 TH/s)

1039
excl. taxes / incl. shipping
In stock, ready to ship
Available at short notice
No longer available
Only used available
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Minimum order quantity:
3
We have a minimum order quantity for this device in order to place it on our hosting site.
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Leasing from €10,000 (only in Germany)
  • Good-value used units available from €449 each
  • Perfect for beginners and solar miners

Variants & Prices

Delivery: In stock.

Quantity
Variant (power consumption)Cryptohall24
warranty		Manufacturer’s
warranty		Availability
Antminer S19K Pro 120 TH/s (2,760 W)SKU BTM-S19KPRO-120TH€1,039€749Only used available
Antminer S19K Pro 105 TH/s (2,415 W)SKU BTM-S19KPRO-105THOn requestOn requestOn request
Antminer S19K Pro 110 TH/s (2,530 W)SKU BTM-S19KPRO-110THOn requestOn requestOn request
Antminer S19K Pro 115 TH/s (2,645 W)SKU BTM-S19KPRO-115THOn requestOn requestOn request

What the Cryptohall24 warranty covers: 12 months from purchase - if a device fails, you simply send it to us. We handle the entire process: initial diagnosis, shipping to the manufacturer, ticket management, final testing and return shipping to you. You deal with a German contracting party and a dedicated contact in your own time zone. With the manufacturer’s warranty only, you arrange air freight, import and export handling and the manufacturer’s ticketing yourself - the effort and the downtime risk stay with you.

Technical data

ManufacturerBitmain
ModelAntminer S19K Pro
AlgorithmSHA-256
CoinsBitcoin, Bitcoin Cash
Hashrate105-120 TH/s
Power consumptionapprox. 2,415-2,760 W
Efficiency23.0 J/TH
CoolingAir cooling
Dimensions (W x D x H)400 x 195 x 290 mm
Weight12.85 kg
Noise level75 dB

Description

With the Antminer S19K Pro, Bitmain added another air-cooled model to the S19 generation in April 2023. The Bitcoin miner uses the SHA-256 algorithm, so besides Bitcoin it can also mine Bitcoin Cash. We carry it in four levels from 105 to 120 TH/s, all of which come in at 23.0 joules per terahash. The unit weighs 12.85 kilograms, is cooled by four fans and runs on a single-phase supply of 200 to 240 volts.

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Performance levels of the Antminer S19K Pro

  1. S19K Pro 105 TH/s at 2,415 watts (BTM-S19KPRO-105TH)
  2. S19K Pro 110 TH/s at 2,530 watts (BTM-S19KPRO-110TH)
  3. S19K Pro 115 TH/s at 2,645 watts (BTM-S19KPRO-115TH)
  4. S19K Pro 120 TH/s at 2,760 watts (BTM-S19KPRO-120TH)

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Choosing a level only decides hashrate and power draw, not efficiency, which is the same on all four. The wattages are Bitmain's typical values with a five percent tolerance upwards, and circuit protection and exhaust have to carry that margin.

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Design, power connection and cooling of the S19K Pro

The S19K Pro sits in a housing of 400 × 195 × 290 mm; in its carton it arrives at 570 × 316 × 430 mm and 14.5 kilograms. Its 75 dB rule out running it in living spaces; its place is somewhere the noise bothers nobody, or a hosting site. Bitmain's operating window runs from 0 to 40 degrees Celsius; in storage the unit tolerates minus 20 to 70 degrees, and in both cases the humidity may be anywhere from 10 to 90 percent as long as nothing condenses. The heat of a single unit stays manageable; what matters is that the miner can always draw in fresh, cool air.

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The power supply is inside the housing and already included in the dimensions and weight. Power arrives through two mains cables at 10 amps each, up to 20 amps in total at 47 to 63 hertz. Bitmain warns explicitly that an incorrect input voltage destroys the unit. The network connection is an RJ45 port at 10/100 Mbit.

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The S19K Pro can also be run with Braiins OS or Vnish. The custom firmware controls the power per hashboard: anyone wanting to save electricity throttles, anyone wanting more hashrate overclocks and pays for it with a little efficiency. Since September 2025 a Bitmain update blocks the USB port, so before flashing the firmware has to be taken back to an older version via SD card. On request we take care of this before shipping for 29.90 euros net per unit, but only for units you operate yourself, not for miners in our hosting. And as with any third-party firmware, the warranty lapses, with Bitmain as with us.

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As standard, Bitmain gives a 365-day factory warranty on the machine, counted from the shipping date; our standard price always includes our own warranty.

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Comparison with the previous and next generation of the S19K Pro

Before the S19K Pro, Bitmain's line-up had the Antminer S19J Pro, on the market since 2021. The S19K Pro was superseded in April 2024 by the Antminer S21 Pro, the next air-cooled model. The three units side by side:

  • Antminer S19J Pro: 29.5 J/TH (104 TH/s at 3,068 W)
  • Antminer S19K Pro: 23.0 J/TH (105 to 120 TH/s at 2,415 to 2,760 W)
  • Antminer S21 Pro: 15.0 J/TH (220 to 245 TH/s at 3,300 to 3,675 W)

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The step from the S19J Pro to the S19K Pro lies almost entirely in efficiency: slightly more hashrate at a good 300 watts less draw, which is a fifth less electricity per terahash. The gap to the S21 Pro is then larger than anything before it, almost twice the hashrate per unit and a third fewer joules per terahash. Within the S19 generation the S19K Pro sits between the Antminer S19J Pro+, which as the last step of the J series reaches 120 TH/s at 27.5 J/TH, and the Antminer S19 XP at 141 TH/s and 21.5 J/TH. Where the S19K Pro stands today in daily yield against the other units in our range is listed day by day in the miner comparison.

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Verdict: Bitcoin mining with the Antminer S19K Pro

We have been selling the S19K Pro since late 2023; hardly any other unit has been in our range for as long. One or two early batches were of weak quality; the units since then have been running well and robustly at our customers for years.

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Today the S19K Pro is easy to find, above all as a used unit. It needs considerably less power than current machines and runs on two ordinary IEC power cords, so it fits a home setup in the basement or garage and a solar system whose surplus it puts to use. Spare parts are very cheap.

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The S19K Pro is a good entry-level unit for Bitcoin mining, cheap to buy, cheap in spare parts and robust in operation. Whether the S19K Pro pays off at your electricity price is shown by the Bitcoin mining calculator in a few entries. What drives the result is the Bitcoin network hashrate together with the price; the cockpit tracks both live and also lists the Bitcoin mining pools by share and fee.

How the Purchase Process works

1
Request & Quote
You send us your inquiry, we come back with a binding quote and advise you on the right performance level. Once you confirm, we reserve the units.
2
Shipping & Import
Freight from Hong Kong, customs clearance and import VAT are handled by us. Before forwarding, we test every unit - you receive the machine cleared, taxed and tested.
3
Delivery or Hosting
We deliver to you, fully insured - or the machine goes straight to one of our hosting sites and is operated there under ideal conditions.
4
Commissioning
Pool, firmware, network: we set everything up together with you until the miner runs. We remain your point of contact - including in any warranty case.

Warranty provided by our German Company

When you buy mining hardware via Cryptohall24, you get a guarantee of 12 months In contrast to manufacturer warranties, our warranty only begins when the hardware is sold to our customers and not as soon as it leaves the factory. Since there can often be several months between production and sale in the mining market, our customers often have a longer effective protection than with the pure manufacturer's warranty.
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Optionally, the hardware can be added to insured for up to 36 months become.

Cryptohall24 employee providing technical support on an ASIC miner - Cryptohall24

Why Customers buy Miners from Cryptohall24

⌀ 4.8 / 5 stars
based on 135 Google reviews
Legally secure corporate structure according to German law
German contact person with personal support
Transparent prices with no hidden fees - with 12 months of warranty
Professional advice about mining hardware, hosting and profitability
Support with structural, tax and legal matters
Service Excellence through long-term partnership
FAQ
Do you have any questions?

How does buying a miner work?

The process is clear and done in a few steps: you enquire about the device you want, you receive a written quote with the final price from us, and as soon as you accept it, we issue the invoice. After full payment is received, we trigger the order and the hardware is on its way to you.

That way you know where you stand at every point - from quote to delivery, a continuously supported process with a personal contact.

How can I pay?

You can pay conveniently by bank transfer in euros, in crypto (Bitcoin or USDC) or in cash against a receipt.

As throughout our business, payment is in advance: we trigger the order as soon as payment has been received in full. That keeps the process clean and predictable for both sides.

Are there discounts for larger quantities?

Yes, discounts are possible for larger quantities. How large they are depends on several factors - the device, the quantity, the delivery location and the respective procurement conditions.

That's why we state the right price best directly in an individual quote. Just tell us the model and the quantity you want and we'll work it out for you.

What is included in the delivery?

On modern ASIC miners the power supply is built firmly into the machine and is therefore always included - it does not have to be bought separately. An external power supply only existed with very old first-generation models.

So you receive a ready-to-run device. Whatever else specifically belongs to the respective product is stated in the product description; in case of doubt we clarify it in the quote.

Is the miner in stock and how quickly is it delivered?

You can see availability directly on the product; in case of doubt we confirm it in the quote. The majority of our hardware is located in our main warehouse in Hong Kong and is shipped from there directly to your destination.

Individual devices are in stock in Germany (Hamm) - those reach you particularly quickly. We state the concrete delivery date bindingly in the quote, as soon as device and destination are clear.

How is it delivered - internationally and with customs clearance too?

We deliver worldwide. We handle the shipping and the complete import processing including customs clearance for you - you don't have to deal with it yourself. We state the shipping costs transparently in the quote.

That way the miner arrives ready to use at your place or the desired site. On request we deliver directly to our hosting, then the device goes into operation without a detour.

What requirements do I need for operation?

To operate at home or in your own business you mainly need three things: a suitable power connection (ASIC miners draw several kilowatts continuously, large devices often three-phase power), enough space with ventilation, and a stable internet connection via LAN.

On top of that come noise and waste heat: air-cooled devices are very loud and heat the room noticeably. Anyone who doesn't meet these requirements usually has the miner hosted - then we take care of power, cooling and operation.

How do I set up the miner and can I get help?

Commissioning is straightforward: connect the device, plug it into the network and configure it to your mining pool and wallet. After that the miner runs around the clock.

We don't leave you alone with it - we support you with setting up pool and wallet and the first steps, even without prior experience. Your personal contact is available for questions.

What warranty do I have on the device?

As a German company we offer you 12 months' warranty on your hardware as standard.

Alternatively, you can exclude the warranty in the purchase contract and handle it via the manufacturer's warranty - then the device becomes cheaper. We offer both routes; which one makes sense for you we clarify in the quote.

Can I have this miner hosted directly instead of running it myself?

Yes. You can buy the device from us and have it hosted in the same step - then it runs at a site with low-cost electricity, without noise and heat at your home.

For many this is the most economical way. You can read how hosting works on our hosting page.

As a business customer, can I cancel or return?

We sell our devices to businesses (B2B). A statutory consumer right of withdrawal therefore does not apply in B2B business; in addition, we procure and import the hardware specifically for your order.

So you buy in a targeted and binding way. That's exactly why we calmly clarify the right device for your project before the quote - so you make the right choice from the start. If you have questions before buying, we are always reachable.

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