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A VolcMiner D1 Mini on a wooden table: a black cube with a perforated front panel and rear logo plate.
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ElphaPex DG Hydro1 20G – 20 GH/s Hydro-Cooled Scrypt Miner (LTC, DOGE)

The DG Hydro1 20G delivers 20 GH/s of Scrypt mining power with advanced hydro-cooling for superior efficiency and minimal noise. Designed for large-scale, eco-friendly mining operations.

Key specifications

Hashrate
20 GH/s ±5%
Power draw
5,200 W ±10% as listed — distributors publish 6,200 W for this model, so ask us for the label figure
Efficiency
260 W per GH/s (0.26 J/MH) if the 5,200 W figure is the right one, 310 W per GH/s (0.31 J/MH) if the distributors’ 6,200 W is. We are not picking the flattering one for you — that is a 19% swing in running cost, which is exactly why we would rather read you the rating label
Input voltage
Three-phase 380–480 V AC, ≥16 A, 50–60 Hz (distributor spec sheets; some publish the narrower 380–415 V). There is no single-phase 240 V circuit that runs this machine
Cooling
Advanced hydro-cooling system
Noise
≤50 dB — ultra-quiet operation
Full specification table

Buying from ING Mining

  • PriceQuoted, not listedWe price this on condition, quantity and freight to your address. Call or email for current price and availability.
  • FreightQuoted with the unitFreight to your address is confirmed with the price, before you pay — multi-unit and pallet orders included.
  • ConditionNewAs described on this listing.
  • GradingGraded before listingThis unit’s own grade is in the description above — where a listing states none, it says so. The six-step bench procedure behind a grade is published in full.
  • WarrantyStated per unit, not per storeAny term for this machine is in the description above. Ask for the return terms on this exact unit before you pay — full terms are in the Shipping & buying tab below.
Get a price+1 (781) 577-0377ns@ingmining.comwho we are

Sold by ING Mining LLC — ING MINING® is a registered U.S. trademark.

Price:

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  • Condition graded per unit: new, tested working, refurbished or as-is
  • Warranty and returns stated per unit, not per store
  • Ships UPS Ground within 7 business days

Description

DG Hydro1 20G is a next-generation hydro-cooled ASIC miner engineered for high-efficiency cryptocurrency mining. Delivering an impressive 20 GH/s hashrate while maintaining superior thermal control, this miner is perfect for operations that demand consistent uptime and low maintenance costs. Equipped with liquid cooling technology, the Hydro1 ensures quiet operation and exceptional energy efficiency, making it ideal for large-scale mining farms and environmentally-conscious setups. Its power draw is the one figure worth pinning down before you buy: this listing carries 5,200 W, while ElphaPex’s distributors publish 6,200 W for the DG Hydro 1. We are not going to quietly pick the flattering one — ask us and we will read the rating label off the actual unit before you size a circuit or a coolant loop.

Key Features

Algorithm Scrypt (supports Litecoin & Dogecoin dual mining)
Hashrate 20 GH/s ±5%
Power consumption 5,200 W ±10% as listed — distributors publish 6,200 W for this model, so ask us for the label figure
Efficiency 260 W per GH/s (0.26 J/MH) if the 5,200 W figure is the right one, 310 W per GH/s (0.31 J/MH) if the distributors’ 6,200 W is. We are not picking the flattering one for you — that is a 19% swing in running cost, which is exactly why we would rather read you the rating label
Input voltage Three-phase 380–480 V AC, ≥16 A, 50–60 Hz (distributor spec sheets; some publish the narrower 380–415 V). There is no single-phase 240 V circuit that runs this machine
Cooling Advanced hydro-cooling system
Noise ≤50 dB — ultra-quiet operation
Network Ethernet connection
Dimensions and weight not stated. The figures previously here were an air-cooled S19-class chassis and cannot be this machine — ask us and we will measure the actual unit

This machine does not ship with its cooling system. What hydro and immersion cooling actually require sets out the loop, the heat load in BTU/hr and the published input voltage for every one of these units.

This is three-phase plant, not a workshop machine. ElphaPex publishes no consumer spec page for the DG Hydro 1, so the figure above comes from distributor sheets — and every one of them agrees on the part that decides whether you can buy it: three-phase 380 V+ service. A 240 V single-phase circuit will not run it at any breaker size. Combined with the coolant loop it needs, this is a machine for a facility, and the power question is worth settling before the price one. Ask us and we will read the rating plate off the actual unit.

What’s in the box

  • 1 × ElphaPex DG Hydro1 20G
  • Nothing that is not listed above. Cords, controllers, brackets and spares are only included when this listing names them — if you need to know before you pay, ask on +1 (781) 577-0377 or ns@ingmining.com and we will confirm in writing what is physically in the crate

Performance & Profitability

The DG Hydro1 20G offers optimized stability for 24/7 performance, ensuring maximum uptime. Its hydro-cooling feature minimizes dust buildup and overheating risks, which translates into extended hardware lifespan. It’s fully compatible with leading mining pools such as ViaBTC and LitecoinPool. To estimate current earnings, use our integrated break-even electricity calculation and explore our DG Series for other high-performance models.

Why Choose DG Hydro1 20G?

With its balance of power, efficiency, and cooling innovation, the DG Hydro1 20G is ideal for miners seeking scalable, low-noise, and energy-efficient solutions. Its hydro system ensures consistent performance even under extreme workloads, setting a new benchmark in ASIC reliability. For installation guides and optimization tips, visit our setup guide or read verified user reviews on ASIC Miner Value.

Questions buyers ask about this machine

What will it cost to run?

That depends on your electricity rate, so here is the part we can state exactly: at 5,200 W running 24/7, this machine burns about 3,744 kWh a month. Multiply that by your own all-in rate per kWh — including delivery charges, not just the supply rate — to get your monthly power bill. We do not publish profitability figures, because they change with difficulty and price every day.

How loud is it?

≤50 dB — ultra-quiet operation — about as loud as a normal conversation, and it does not stop. That is quiet enough to be liveable in a garage or utility room, though it still runs continuously.

What can I mine with it?

The algorithm is Scrypt (supports Litecoin & Dogecoin dual mining), and ASIC silicon is single-purpose: it will mine coins on that algorithm and nothing else, whatever the price of anything else does.

Is this a new unit?

Yes — new stock, as described in this listing. Any manufacturer warranty term that applies is stated in the description above; where none is stated, none is claimed.

Shipping cost for this exact item, and how warranty and returns work here, are answered in the Shipping & buying tab on this page. Anything else, ask a person on +1 (781) 577-0377 or ns@ingmining.com — we would rather talk before you buy.

Related hardware and where this sits in the store

Other Scrypt machines for merged LTC and DOGE mining:

Categories: New ASIC miners, LTC+Doge+Bel Miner, Hydro Cooling and ElphaPex.




Where this listing sits

This one is on the new shelf. New stock, as described in the listing. Any manufacturer warranty term that applies is named in the description; where none is named, none is claimed.

What our grades mean

These are the only words we use, and each one means a specific thing. They are not interchangeable and we do not soften them to move stock.

NewUnused stock. Factory sealed unless the listing says otherwise — “new, open box” means exactly that, and the listing will say it.
Tested workingSecond-hand, and it ran on our bench at the hashrate the listing states. We measured it; we are not repeating what the last owner told us. Expect cosmetic wear.
RefurbishedTested working, plus work done: cleaned, thermal paste and fans dealt with, failed components replaced. The listing says what was actually done to that unit rather than using the word as decoration.
As-is / for partsSold with no working claim at all, at a price that reflects it. Buy these to repair or to harvest. If a listing says as-is, assume it does not hash until you have proved otherwise.
UntestedWe have it, we have not powered it, and we are not going to pretend we did. Rarer than as-is and always stated explicitly.

What a grade here does not mean

  • Cosmetic wear is not a fault. Dust, scratches, scuffed labels and discoloured plastics are normal on hardware that has been earning. We photograph what we have; if the pictures matter to you, ask for more and we will take them.
  • A grade is not a warranty. Warranty terms are stated per listing, never per store — see the Shipping & buying tab. A tested-working grade describes what the machine did on our bench, not what we owe you in six months.
  • A boosted hashrate is not a spec. Where a unit ships on tuned firmware we say so and we give the factory figures too, because overclocking raises power faster than it raises hashrate — a tuned machine is less efficient per terahash than stock, not more.
  • We will not invent a grade to fill a field. If a unit came in without history and has not been through the bench, its listing says that.

How the grade gets decided

A used-hardware seller who will not tell you how they test is asking you to take the grade on trust. Ours is published: the six-step bench procedure every machine goes through, and the five measurements that get recorded — per-board hashrate, chip count, measured wall power rather than the nameplate figure, hardware error rate, and temperature under sustained load. When it reaches you, run the 48-hour acceptance test straight away, while the freight claim window is still open.

Buying second-hand for the first time? How to buy a used ASIC miner without getting burned is the long version, written from the repair bench rather than from a spec sheet.

Shipping

This listing is quoted rather than priced, and freight is quoted with it. Tell us where it is going and we will confirm the shipping cost to that address with the price, before you pay — on a multi-unit or pallet order that is the only honest way to do it.

Outside the United States the checkout quotes a flat international rate. On multi-unit or pallet orders, contact us before ordering so freight to your destination can be confirmed properly. What to check when the pallet arrives, and how a freight claim works, is covered in the mining hardware shipping guide.

What to do the day it arrives

Photograph the pallet or the box before you open it, and keep the packaging until you are satisfied. Freight claim windows are short, and damage found on day two is a conversation while damage found on day thirty is an argument.

Then run the 48-hour acceptance test straight away, while that window is still open. It is the same ground our own bench covers, so you can compare like for like: how the grade on this listing was arrived at, and the five measurements we record, are set out in the Condition & grading tab on this page.

Condition, warranty and returns

Condition: New — as described on this listing.

Warranty is stated per listing, not across the catalogue. Some units carry a manufacturer term and say so above, naming the term and the date it runs from. Many units, particularly used and AS-IS stock, carry none, and those listings do not claim one. There is no blanket warranty covering a catalogue that runs from sealed factory stock to a hashboard sold for parts. For what a mining warranty normally covers, see ASIC miner warranty explained.

Returns: ask for the terms on this unit before you pay. No single returns window is published for the whole store, because the sensible terms on a tested working machine and on a board sold AS-IS for parts are not the same terms. Email or call and ask what applies to this exact item — it is a two-minute conversation and a great deal cheaper than a dispute.

Where you are going to run it

Two questions decide whether a machine like this works where you live, and neither of them is about the miner: can the circuit carry it, and what does your electricity cost? Most full-size machines here want a dedicated 240 V circuit and run at 70–75 dB continuously. A few do not — the Avalon Q publishes 45–65 dB and runs on 110–240 V — so read the voltage and noise figures on this listing rather than assuming. ASIC miner power requirements covers breaker sizing and what the install actually involves; cooling covers where the heat and the noise end up.

If your power is not genuinely cheap, hosting is the question to be asking instead of which miner to buy. Break-even electricity rate is hashprice divided by (24 × J/TH), and hashrate cancels out of it entirely — which is why a cheap old machine on expensive power loses money faster than an expensive new one does. The buying guide has the arithmetic; work out your own number before you buy anything.

If hosting is the answer, get written answers on three things before you sign: who pays for repairs, what the uptime commitment actually pays out when it is missed, and how curtailment is handled. A flat per-machine monthly rate is where most of the unpleasant surprises live. Types of mining farm compares the models and hosting versus cloud mining covers why owning the hardware is the better end of that trade. Ask us before you commit — it is a five-minute call and a great deal cheaper than a contract you cannot get out of.

What we do once it is racked, wherever that is. Deployment, firmware and monitoring are a service we run rather than a line on a page: pool and network setup, Braiins OS or VNish tuning, offline alerts, and board-level fault-finding when a machine stops hashing — ASIC mining consulting sets out what that covers. The hosting agreement itself is between you and the facility. What we can give you is the number most hosting disputes turn on: what this machine measured at the wall on our bench, so a shortfall on site is a figure to compare against rather than an argument about what it should have been doing.

Who you are buying from

ING Mining LLC, Hanson, Massachusetts. ING MINING® is a registered U.S. trademark; our marketplace feedback is on the reviews page and the longer version of who we are is on about. Reach a person on +1 (781) 577-0377 or ns@ingmining.com.

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