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Bitmain

Bitmain Antminer KS3 (7.3Th)

Model: Antminer KS3

Condition: new

7.3 TH/s KHeavyHash Kaspa miner at 3,188W. 75 dB, 100 to 240V. Bitmain's Antminer KS3 for professional Kaspa mining. Ships from MillionMiner.

7.3 TH/s 3188W KHeavyHash 436.71 J/TH

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Genuine

Tested hardware

Worldwide

Global shipping

Support

Mining experts

Hashrate

7.3 TH/s

Power

3188 W

Efficiency

436.71 J/TH

Noise

75 dB

Estimated Mining Returns

Based on current BTC price & network difficulty. Indicative only.

Period Daily Weekly Monthly
Income
$1.42 $9.94 $42.60
Electricity
-$6.12 -$42.84 -$183.60
Profit
$-4.70 $-32.90 $-141.00

Using 0.080 $/kWh · Network difficulty as of today. Estimates only.

Adjust rate in the bar above

Full Specifications

Hashrate 7.3 TH/s
Power Consumption 3188 W
Efficiency 436.71 J/TH
Algorithm KHeavyHash
Model Antminer KS3
Release Year Nov 2023
Noise Level 75 dB
Dimensions 370 x 195 x 290mm
Weight 14.7 kg
Voltage 100-240V
Interfaces Ethernet
Operating Temp 5 - 35 °C
Humidity 5 - 90 %
Cooling Type Air

What's in the Box

Antminer KS3
Power supply unit (PSU)
Power cables
Quick start guide

Contents may vary by batch. Exact items listed in order confirmation.

Quick Setup

1

Connect PSU to miner and plug into the outlet

2

Connect ethernet cable to your router or switch

3

Find miner IP via router admin or IP scanner tool

4

Open web interface, enter pool URL and wallet — start mining

Product Details

Bitmain Antminer KS3 7.3TH KHeavyHash ASIC Miner for Professional Kaspa Mining

Bitmain's first generation Kaspa ASIC. The KS3 at 7.3 TH/s and 3,188W launched Bitmain's presence in the KHeavyHash mining market before the KS5 (20 TH/s) and KS5 PRO (21 TH/s) pushed the boundaries further. Multiple KS3 variants exist at different hashrate bins (7.3, 8.3, and 9.4 TH/s), all sharing similar power consumption.

This 7.3 TH/s model is the base bin. At 3,188W, efficiency sits at about 0.437 J/GH. The KS5 at 20 TH/s and 3,000W runs 0.150 J/GH, nearly three times more efficient. The KS3 is previous generation competing purely on discounted acquisition cost.

Universal 100 to 240V. 75 dB industrial. Daily electricity at $0.07 per kWh: $5.36. Monthly: $161. Bitmain Antminer firmware. Ethernet. Standard KHeavyHash Stratum for all Kaspa pools.

For fleet operators already running Bitmain Kaspa hardware, the KS3 fills rack slots at lower capital. The KS5 is the clear upgrade on efficiency, but inventory constraints and pricing premiums sometimes make the KS3 the practical choice. Check current distributor pricing on both models before defaulting to the older generation.

The Kaspa ASIC market includes IceRiver (KS0 through KS7), Bitmain (KS3 and KS5 series), Goldshell (KA Box through E-KA1M), DragonBall (KS6 Pro/Pro+), and iBeLink (BM-KS Max). Five manufacturers creating intense competition and rapid difficulty growth.

The KS3 family (7.3, 8.3, 9.4 TH/s) represents Bitmain exploring a new algorithm market before committing full R&D resources. The KS5 series that followed shows what Bitmain delivers when they optimize. First gen products from any manufacturer are typically superseded quickly, and the KS3 to KS5 transition is a textbook example of that pattern.

Antminer KS3 7.3TH Kaspa KHeavyHash Mining Machine

Bitmain's first generation Kaspa ASIC. 7.3 TH/s KHeavyHash at 3,188W. Now superseded by the KS5 (20 TH/s) and KS7 (40 TH/s). Available at steep previous gen discount. Universal 100 to 240V at 75 dB. Antminer firmware for Kaspa.

Air cooled at 75 dB. Kaspa (KAS). Bitmain firmware. 370 x 195 x 290mm at 14.7 kg. Ethernet. 5 - 35 °C.

Industrial 75 dB requires dedicated mining space. Warehouses, containers, or isolated rooms.

Bitmain firmware for pool configuration and monitoring. Evaluate pricing against competing models. Total deployed hashrate determines total coins mined.

Industrial 75 dB demands dedicated mining space. Warehouses, containers, isolated rooms. 3188W of heat requires ventilation.

Bitmain firmware for pool configuration. Evaluate pricing against competitors. Total deployed hashrate determines production. Model conservatively.

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Antminer KS3 7.3TH Kaspa Miner

Industrial KHeavyHash from Bitmain. 7.3 TH/s at 3188W and 75 dB. 100-240V. 14.7 kg. Kaspa (KAS). Ethernet. Bitmain. Compare pricing. Total cost of ownership determines value at your electricity rate. Factor acquisition and deployment duration. Model profitability at your electricity rate. Bitmain firmware and support ecosystem. Compare with competing models at this tier. Evaluate acquisition cost plus daily electricity over deployment period.

7.3 TH/s Bitmain Kaspa

Antminer quality for Kaspa mining. Universal voltage with proven Bitmain reliability.

Institutional KAS Mining

Bitmain's entry into Kaspa brings institutional grade hardware to the KAS ecosystem.

Free DDP from MillionMiner

Ships worldwide with Bitmain warranty and free DDP delivery.

FAQ

Frequently Asked Questions

7.3 TH/s on KHeavyHash at 3,188W.

Yes. The KS3 9.4 TH/s variant offers more hashrate.

100 to 240V universal input.

Kaspa (KAS) on KHeavyHash.

Proven reliability, mature firmware, global parts network. Institutional grade quality.

No. 75 dB and 3,188W require a facility.

370 x 195 x 290mm at 14.7 kg.

5 to 35 degrees Celsius.

Free worldwide DDP delivery with Bitmain warranty.