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  1. Home
  2. /
  3. Miners
  4. /
  5. Bitmain
  6. /
  7. Antminer KS5 Pro (21Th)
In stock
Antminer KS5 Pro-21TH

Bitmain / KHeavyHash

Antminer KS5 Pro (21Th)

$1,200.00
1
Antminer KS5 Pro (21Th)
Technical SpecificationsProfitability CalculatorDetailed OverviewFrequently Asked Questions
Hashrate
21 TH/S
Power
3150 W
Daily Profit (KAS)
$0.93
Annual ROI
28%

Technical Specifications

Performance
Manufacturer

Profitability Calculator

Estimate your mining returns based on current market conditions

$/kWh
3150 W = 75.60 kWh/day
Daily Profit (KAS)$0.93
Annual ROI28%
Break-even1292 days
Yearly Profit$339.13
PeriodRevenueElectricity CostNet ProfitKAS Mined
Daily$4.33$3.40$0.93107.91 KAS
Weekly$30.32$23.81$6.50755.40 KAS
Monthly$129.93$102.06$27.873237.44 KAS
Yearly$1,580.86$1,241.73$339.1339388.91 KAS

Historical Profitability

Current Daily$0.97
30-Day Average$0.95
Best Day$1.72
Price Change (24h)-4.59%
Sep 9Sep 16Sep 24Oct 1Oct 8
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 (1)

Cryptocurrencies you can mine with KHeavyHash.

CoinAlgorithmDaily RevenueDaily Profit

Mining Pools for KAS

Pool
Payout Threshold
Reward Method / Fee
Website
F2Pool
100

Which miner is better for you?

Compare KAS miners with similar hashrate or price

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Detailed Overview

Deployment details for Antminer KS5 Pro include voltage: 220 - 277V, interface: Ethernet, operating temperature: -20 - 45 °C, and operating humidity: 10 - 90 %.

Confirm that site power, networking and cooling match the listed requirements.

Price, stock, production batch, lead time and warranty terms can vary.

Contact LeedMiner for the current configuration and quotation.

Key Features

  • Efficiency: 150 J/Th

Frequently Asked Questions

Get answers to common questions about this miner

As of Oct 8, 2026, considering an electricity cost of 0.045/KWh, the Antminer KS5 Pro (21Th) has been calculated to generate:

• Daily Revenue: $4.33
• Electricity Cost: $3.40
• Daily Net Profit: $0.93

Projected earnings:
• Monthly Net Profit: $27.87
• Yearly Net Profit: $339.13

Mining guides on the LeedMiner blog

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

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Hashrate40 TH/S
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Bitmain

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Bitmain
ModelAntminer KS5 Pro (21Th)
Release DateMar-2024
AlgorithmKHeavyHash
Hashrate21 TH/S
Power Consumption3150 W
Efficiency150 J/Th
Minimum Order1
CoinKAS
Income4.3311
Physical
Weight15.800 kg
ConditionNew
Noise Level75.000 dB
CoolingAir
Size430x195x290(mm)
Length43 cm
Width19.5 cm
Height29 cm
Fans4
Package Dimensions57 × 31.6 × 43 cm
Gross Weight17.7 kg
Power Requirements
Input Voltage220 - 277V
Environment
InterfaceEthernet
Operating Temperature-20 - 45 °C
Operating Humidity10 - 90 %
Current20A
Frequency50-60Hz
Storage Temperature-20-70°C
Altitude≤2000m
Warranty180 Days

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
KAS
KaspaKAS
kHeavyHash$4.33$0.93107.91 KAS
200
1000
PPLNS1%
f2pool.com
HUHumPool
15
PPLNS0.75%
humpool.com
Kryptex
10
PPS+1%
pool.kryptex.com
ViaBTC
50
PPS+4%
PPLNS2%
viabtc.com
f2pool.com
Payout Threshold
1002001000
Reward Method / Fee
PPLNS1%
HUhumpool.com
Payout Threshold
15
Reward Method / Fee
PPLNS0.75%
pool.kryptex.com
Payout Threshold
10
Reward Method / Fee
PPS+1%
viabtc.com
Payout Threshold
50
Reward Method / Fee
PPS+4%
PPLNS2%
Price
Action
Antminer KS5 Pro-21TH
Antminer KS5 Pro
Bitmain
Current
21 TH/S3150 W150 J/Th$0.931292 days$1,200Viewing
Antminer KS3-8.3TH
Antminer KS3
Bitmain
8.3 TH/S3188 W384.1 J/Th
Antminer KS5 (18Th)
Antminer KS5 (18Th)
Bitmain
18 TH/S2700 W150 J/Th
Antminer KS5
Antminer KS5
Bitmain
20 TH/S3000 W150 J/Th
Antminer KS7 (36Th)
Antminer KS7
Bitmain
36 TH/S2772 W77 J/Th
Antminer KS5 Pro-21TH

Bitmain

Antminer KS5 Pro

Current Product
Hashrate

21 TH/S

Power

3150 W

Efficiency

150 J/Th

Daily Profit

$0.93

Payback Period

1292 days

Price

$1,200

Currently Viewing
Antminer KS3-8.3TH

Bitmain

Antminer KS3

Hashrate

8.3 TH/S

Power

3188 W

Efficiency

384.1 J/Th

Daily Profit

-$1.74

Payback Period

Data unavailable

Price

$3,850

Antminer KS5 (18Th)

Bitmain

Antminer KS5 (18Th)

Hashrate

18 TH/S

Power

2700 W

Efficiency

150 J/Th

Daily Profit

$0.78

Payback Period

1074 days

Price
Antminer KS5

Bitmain

Antminer KS5

Hashrate

20 TH/S

Power

3000 W

Efficiency

150 J/Th

Daily Profit

$0.87

Payback Period

460 days

Price

$400

Antminer KS7 (36Th)

Bitmain

Antminer KS7

Hashrate

36 TH/S

Power

2772 W

Efficiency

77 J/Th

Daily Profit

$4.40

Payback Period

325 days

Price

Better Value Alternative: Antminer KS5

Shorter payback period by 832 days at lower price point

Check it out
Hashrate: 21 TH/S
  • Power Consumption: 3150 W
  • Algorithm: KHeavyHash
  • Coin: KAS
  • Why choose Antminer KS5 Pro (21Th)?

    Manufacturer: Bitmain · Hashrate: 21 TH/S · Power Consumption: 3150 W · Efficiency: 150 J/Th · Algorithm: KHeavyHash · Coin: KAS

    Read on
  • Hydro-cooling plant room illustrating the facility infrastructure behind the WDMS 2026 focus on industrial water-cooled mining
    KAS

    WDMS 2026 Hydro Cooling Guide: From Miner Efficiency to Facility Infrastructure

    BITMAIN’s WDMS 2026 theme puts hydro cooling at the center. Here is how to evaluate miner limits, coolant loops, power, containers and hosting as one operating system.

    Read on
  • -$1.74
    Data unavailable
    $3,850
    View
    $0.78
    1074 days
    $840
    View
    $0.87
    460 days
    $400
    View
    $4.40
    325 days
    $1,430
    View
    View Details

    $840

    View Details
    View Details

    $1,430

    View Details