Bitmain Antminer S21+ Hyd (358Th)

Hashrate 358.0 TH/s Power 5,370 W Efficiency 15.0 J/TH

Antminer Slim Edition (S17)

Hashrate 50.0 TH/s Power 2,000 W Efficiency 40.0 J/TH

Bitmain Antminer S21+ Hyd (358Th) vs Antminer Slim Edition (S17)

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Bitmain Antminer S21+ Hyd (358Th)	Specification	Antminer Slim Edition (S17)
358.0 TH/s	Hashrate	50.0 TH/s
5,370 W	Power Consumption	2,000 W
15.0 J/TH	Efficiency	40.0 J/TH
50 dB	Noise Level	70 dB
12.8 kg	Weight	7.5 kg
18,322 BTU/hr	BTU Output	6,824 BTU/hr
44/100	Home Mining Score	42/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	D-Central

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S21+ Hyd (358Th)

Daily Revenue 0.00015516 BTC $10.91

Daily Electricity -$12.89

Daily Profit -$1.98

Monthly -$59.38

Yearly -$722.50

Antminer Slim Edition (S17)

Daily Revenue 0.00002167 BTC $1.52

Daily Electricity -$4.80

Daily Profit -$3.28

Monthly -$98.29

Yearly -$1,195.91

Based on BTC price of $70,303 and current network difficulty as of Mar 24, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Bitmain Antminer S21+ Hyd (358Th) wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The Antminer Slim Edition (S17) holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Bitmain Antminer S21+ Hyd (358Th) — wins on 5 of 6 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitmain Antminer S21+ Hyd (358Th)

Score: 44/100. 50 dB noise level.

Best for Efficiency

Bitmain Antminer S21+ Hyd (358Th)

15.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21+ Hyd (358Th) or Antminer Slim Edition (S17) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd (358Th) is more profitable at $-1.98/day compared to $-3.28/day for the Antminer Slim Edition (S17). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S21+ Hyd (358Th) or Antminer Slim Edition (S17)?

The Bitmain Antminer S21+ Hyd (358Th) is quieter at 50 dB compared to the Antminer Slim Edition (S17) at 70 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S21+ Hyd (358Th) or Antminer Slim Edition (S17)?

The Bitmain Antminer S21+ Hyd (358Th) scores 44/100 on our Home Mining Score (vs 42/100 for the Antminer Slim Edition (S17)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.

What is the efficiency difference between Bitmain Antminer S21+ Hyd (358Th) and Antminer Slim Edition (S17)?

The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the Antminer Slim Edition (S17) runs at 40.0 J/TH — a difference of 25.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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