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  1. Home
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  3. Miners
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  5. Bitmain
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  7. Antminer S21j XP Hyd
In stock
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Antminer S21j XP Hyd

$5,940.00
Hashrate
495 TH/s
Power
5940 W
Daily Profit
$12.90
Annual ROI
79%

Market Price History

Public quotation trend for Antminer S21j XP Hyd, updated from LeedMiner catalog prices.

Antminer S21j XP Hyd
Reference Price$5,940
Annual ROI79.3%
Break-even461 days
Range Change-$49.50 (-0.83%)
$6K$6K$6K$5.9K$5.9K80%79%78%Jul 29Aug 4Aug 7Aug 11Aug 21
Reference PriceAnnual ROIBreak-even

Last updated: Aug 21, 2026, 06:53 AM

Historical quotations are for reference only. Availability and final pricing are confirmed at inquiry. ROI and break-even use the current estimated daily net profit and the selected historical miner price.

Technical Specifications

Performance
Manufacturer

Profitability Calculator

Estimate your mining returns based on current market conditions

$/kWh
5940 W = 142.56 kWh/day
Daily Profit$12.90
Annual ROI79%
Break-even461 days
Yearly Profit$4,707.87
PeriodRevenueElectricity CostNet ProfitBTC Mined
Daily$19.31$6.42$12.900.000249 BTC
Weekly$135.19$44.91$90.290.0017 BTC
Monthly$579.40$192.46$386.950.0075 BTC
Yearly$7,049.42$2,341.55$4,707.870.0907 BTC

Historical Profitability

Daily profit trends for Bitcoin

Current Daily$12.74
30-Day Average$9.03
Best Day$23.00
Price Change (24h)+0.95%
Jul 25Aug 1Aug 9Aug 16Aug 23
RevenueNet Profit

Buying Options & Deployment Support

Shipping, payment, warranty, hosting, and bulk ordering — everything you need to know before you buy.

Global Shipping

Fast worldwide shipping to 70+ countries with tracked delivery in 7-14 business days. Express options available at checkout.

Mineable Coins

Cryptocurrencies you can mine with SHA-256.

7 coins available
CoinAlgorithmDaily RevenueDaily Profit

Mining Pools for BTC

Pool
Payout Threshold
Reward Method / Fee
Website
F2Pool
0.005

Which miner is better for you?

Compare BTC miners with similar hashrate or price

View All BTC Miners
MinerHashratePowerEfficiencyDaily ProfitPayback Period

Detailed Overview

Bitmain Antminer S21j XP Hyd delivers 495 TH/s on SHA-256 with 5940 W power consumption and 12 J/TH efficiency using hydro cooling.

Key Features

  • Source: LeedMiner HK Hydro Cooling Miners price list 2026-08-02

Frequently Asked Questions

Get answers to common questions about this miner

As of Aug 23, 2026, considering an electricity cost of 0.045/KWh, the Antminer S21j XP Hyd has been calculated to generate:

• Daily Revenue: $19.31
• Electricity Cost: $6.42
• Daily Net Profit: $12.90

Projected earnings:
• Monthly Net Profit: $386.95
• Yearly Net Profit: $4,707.87

Mining guides on the LeedMiner blog

Practical guides on hardware reviews, hosting, electricity, and ROI.

  • LeedMiner editorial cover showing utility switchgear and substation equipment for a Bitcoin mining margin analysis
    BTC

    Bitcoin Mining Operating Leverage: Why BTC at $74K Can Double Miner Net Income

    Why an 18% BTC-led revenue recovery can more than double net income after electricity for marginal Bitcoin miners—and where the leverage breaks.

    Read on

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Backorder

Bitmain

Antminer S23 Hyd 563T

1
Bitmain
ModelAntminer S21j XP Hyd
Release DateMar-2026
AlgorithmSHA-256
Hashrate495 TH/s
Power Consumption5940 W
Efficiency12 J/TH
Minimum Order1
Physical
ConditionNew
Noise Level50.000
CoolingHydro Cooling
Size410 × 170 × 209 mm
Length41 cm
Width17 cm
Height20.9 cm
Environment
InterfaceEthernet
Operating Temperature5 - 45 °C
Operating Humidity5 - 95 %
Source SectionHK Hydro Cooling Miners
Price BasisUSD 12.1/T
LocationHK
MarketASIC miners
Spec 4SHA-256 miners
Spec 6Bitmain
Spec 7SHA-256
Spec 8Hydro

Documents & Resources

Product DatasheetUser ManualFirmwareSupport

Lead Time & Stock

In-stock units ship within 1-3 business days. Back-ordered models ship within 2-4 weeks — confirm exact dates before you buy.

Secure Payment

Pay by crypto, wire transfer, or card. Large orders and corporate buyers get dedicated invoicing terms.

Warranty & Aftersales

Brand-new miners ship with the full manufacturer warranty. LeedMiner coordinates RMA and technical support on your behalf.

Managed Hosting

Deploy in our partner data centers with low electricity rates. Avoid noise, cooling, and power-upgrade costs at home.

Bulk & Farm Orders

Wholesale pricing for 10+ units. Dedicated account manager, priority shipping, and customized deployment planning.

Need help planning your deployment?

Our team helps with hosting quotes, farm-scale sourcing, and end-to-end logistics — usually back to you within a few hours.

Get a Hosting Quote
Daily Reward
BTC
BitcoinBTC
SHA-256$19.31$12.900.000249 BTC
BCH
Bitcoin CashBCH
SHA-256$18.83$12.420.0423 BCH
DGB
DigiByteDGB
SHA-256$19.46$13.054601.98 DGB
FB
Fractal BitcoinFB
SHA-256$18.60$12.1938.37 FB
PeercoinPPC
SHA-256Data unavailableData unavailable80.73 PPC
UnobtaniumUNO
SHA-256Data unavailableData unavailable0.000001 UNO
XEC
eCashXEC
SHA-256$20.73$14.312456175.51 XEC
0.01
0.05
1
5
FPPS4%
PPLNS2%
f2pool.com
Kryptex
0.001
PPS+3%
pool.kryptex.com
ViaBTC
0.001
PPS+4%
PPLNS2%
viabtc.com
F2Poolf2pool.com
Payout Threshold
0.0050.010.0515
Reward Method / Fee
FPPS4%
PPLNS2%
Kryptexpool.kryptex.com
Payout Threshold
0.001
Reward Method / Fee
PPS+3%
ViaBTCviabtc.com
Payout Threshold
0.001
Reward Method / Fee
PPS+4%
PPLNS2%
Price
Action
Bitmain Antminer S21j XP Hyd 495 TH/s
Bitmain
Current
495 TH/s5940 W12 J/TH$12.90461 days$5,940Viewing
MicroBT WhatsMiner M73
WhatsMiner M7D (652 TH/s)
WhatsMiner
652 TH/s9454 W
MicroBT WhatsMiner M73
WhatsMiner M6DS++ (610 TH/s)
WhatsMiner
610 TH/s9455 W
MicroBT WhatsMiner M73
WhatsMiner M6DS+ (556 TH/s)
WhatsMiner
556 TH/s9452 W
MicroBT Whatsminer M50s (128 TH/s)
WhatsMiner
128 TH/s3328 W

Bitmain

Bitmain Antminer S21j XP Hyd 495 TH/s

Current Product
Hashrate

495 TH/s

Power

5940 W

Efficiency

12 J/TH

Daily Profit

$12.90

Payback Period

461 days

Price

$5,940

Currently Viewing
MicroBT WhatsMiner M73

WhatsMiner

WhatsMiner M7D (652 TH/s)

Hashrate

652 TH/s

Power

9454 W

Efficiency

14.5 J/TH

Daily Profit

$14.86

Payback Period

378 days

Price
MicroBT WhatsMiner M73

WhatsMiner

WhatsMiner M6DS++ (610 TH/s)

Hashrate

610 TH/s

Power

9455 W

Efficiency

15.5 J/TH

Daily Profit

$13.25

Payback Period

327 days

Price
MicroBT WhatsMiner M73

WhatsMiner

WhatsMiner M6DS+ (556 TH/s)

Hashrate

556 TH/s

Power

9452 W

Efficiency

17 J/TH

Daily Profit

$11.17

Payback Period

329 days

Price

WhatsMiner

MicroBT Whatsminer M50s (128 TH/s)

Hashrate

128 TH/s

Power

3328 W

Efficiency

26 j/Th

Daily Profit

$1.33

Payback Period

473 days

Price

Better Value Alternative: WhatsMiner M6DS++ (610 TH/s)

Shorter payback period by 134 days at lower price point

Check it out
USD 12.1/T. Technical reference: ASIC Miner Value.
  • Efficiency: 12 J/TH
  • Hashrate: 495 TH/s
  • Power Consumption: 5940 W
  • Algorithm: SHA-256
  • Coin: BTC
  • Why choose Antminer S21j XP Hyd?

    Manufacturer: Bitmain · Hashrate: 495 TH/s · Power Consumption: 5940 W · Efficiency: 12 J/TH · Algorithm: SHA-256 · Coin: BTC

  • LeedMiner editorial cover showing an engineer inspecting power switchgear for a Bitcoin mining fleet restart decision
    BTC

    Bitcoin at $74K: Which Bitcoin Miners Are Worth Restarting?

    A power-cost and efficiency guide to deciding which Bitcoin miners to restart as BTC returns to $74K, including hosting and container deployment.

    Read on
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