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Bitmain Antminer X3 (220Kh) ASIC miner specifications and profitability image
Active Bitmain Cryptonight HOME

Bitmain Antminer X3 (220Kh)

Hashrate 220 KH/s
Power 465 W
Efficiency 2.11 J/KH

Quick answer

The Bitmain Antminer X3 (220Kh) is a Cryptonight miner rated about 220 KH/s at roughly 465 W. Runnable at home with proper airflow and noise control; best in a dedicated space.

Profitability Calculator

$77,052
Daily Mined --
Breakeven Electricity $0.0000/kWh
Cost to Mine 1 --
Network Hashrate Share --
Estimated mining profitability by period at current network conditions.
Period Revenue Electricity Cost Profit
Daily $0.00 $0.78 $-0.78
Weekly $0.00 $5.47 $-5.47
Monthly $0.00 $23.44 $-23.44
Yearly $0.00 $285.14 $-285.14

Where to Buy the Bitmain Antminer X3 (220Kh)

D-Central Technologies is a Bitcoin-only company. For this miner, check out our trusted partner retailers below.

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Full Specifications

Full technical specifications for this miner.
Model Bitmain Antminer X3 (220Kh)
Model Number Antminer X3 (220Kh)
Manufacturer Bitmain
Algorithm Cryptonight
Coins Mined Unknown
Hashrate 220 KH/s
Power Consumption 465 W
Efficiency 2.11 J/KH
Dimensions 125 x 207 x 334mm
Weight 5.5
BTU Output 1587 BTU/hr
Equivalent Heater Small personal heater (1,587 BTU/hr)
Daily Power Cost $0.78/day
Monthly Power Cost $23.44/mo
Circuit Requirement Fits 120V 15A circuit budget (1,440 W continuous, NEC 80% rule) - stock APW-series PSUs still need 200-240V input
Release Date 2018-05-01
Status Active

Home Mining Assessment

67 /100
Good
Heat Output 465W / 1587 BTU
Minimal heat - suitable for any room
Power Draw 465W (0.5kW)
Wall draw fits a standard 120V 15A outlet budget

The Bitmain Antminer X3 (220Kh) is a Cryptonight cryptocurrency miner manufactured by Bitmain. It delivers a hashrate of 220 KH/s with a power consumption of 465W, achieving an efficiency of 2.11 J/KH.

Weighs 5.5 kg, measures 125 x 207 x 334mm.

With a home mining score of 67/100, this miner is moderately suitable for residential use. It produces 1587 BTU/h of heat output, making it suitable for supplemental space heating.

Its waste heat (around 1587 BTU/h) can be ducted into a room, turning money you would otherwise spend on heating into hashrate.

View detailed specifications, real-time profitability calculations, and comparison data for the Bitmain Antminer X3 (220Kh) in our comprehensive ASIC miner database.

Run open-source firmware on your Antminer

DCENT_OS is D-Central’s GPL-3.0 Antminer firmware source. Guarded artifacts exist only for exact S9 XIL and S19j Pro XIL lanes; install evidence is incomplete, neither is production-ready, and a bad write can brick hardware. Want exact-lane artifact and evidence updates? Leave your email. Collection only — we will not email you anything else yet.

Broken miner? Get a real quote.

Tell us the symptom and get an instant repair-tier estimate ($95 / $145 / $195 CAD). Mail-in from across Canada, bench in Montreal, Quebec.

Send it to D-Central — start a repair →

Frequently Asked Questions

What are the current mining economics for the Bitmain Antminer X3 (220Kh)?

At $0.07/kWh, the Bitmain Antminer X3 (220Kh) currently shows an estimated daily net cost of $0.78 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 Bitmain Antminer X3 (220Kh)?

Yes, the Bitmain Antminer X3 (220Kh) scores 67/100 for home mining viability. It produces 0 dB of noise and draws 465W. It is suitable for home environments with appropriate placement considerations.

Can the Bitmain Antminer X3 (220Kh) heat my home?

The Bitmain Antminer X3 (220Kh) outputs approximately 1587 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.

What power supply does the Bitmain Antminer X3 (220Kh) need?

The Bitmain Antminer X3 (220Kh) draws 465W of power. You need a power supply rated for at least 512W 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.