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Bitmain Antminer S21 Immersion (301Th)

Bitmain Antminer S21 Immersion (301Th)

Taux de hachage 301.0 TH/s Puissance 5,569 W Efficiency 18.5 J/TH
VS
Antminer Slim Edition (S17)

Antminer Slim Edition (S17)

Taux de hachage 50.0 TH/s Puissance 2,000 W Efficiency 40.0 J/TH

Bitmain Antminer S21 Immersion (301Th) vs Antminer Slim Edition (S17)

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

Specifications Comparison

Bitmain Antminer S21 Immersion (301Th) Specification Antminer Slim Edition (S17)
301.0 TH/s Taux de hachage 50.0 TH/s
5,569 W Consommation électrique 2,000 W
18.5 J/TH Efficiency 40.0 J/TH
50 dB Niveau de bruit 70 dB
17.2 kg Weight 7.5 kg
19,001 BTU/hr BTU Output 6,824 BTU/hr
44/100 Home Mining Score 42/100
— Release Year —
SHA-256 Algorithme SHA-256
Bitmain Manufacturer D-Central

Profitability Comparison

$/kWh

Bitmain Antminer S21 Immersion (301Th)

Daily Revenue 0.00013617 BTC $8.70
Daily Electricity -$13.37
Daily Profit -$4.67
Monthly -$140.06
Yearly -$1,704.07

Antminer Slim Edition (S17)

Daily Revenue 0.00002262 BTC $1.44
Daily Electricity -$4.80
Daily Profit -$3.36
Monthly -$100.66
Yearly -$1,224.70

Based on BTC price of $63,866 and current network difficulty as of Jun 4, 2026. Actual results vary.

Verdict

Run the numbers across every spec and the Bitmain Antminer S21 Immersion (301Th) edges it: 5 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). The standout gap is 502% more hashrate (301.0 vs 50.0 TH/s) in the Bitmain Antminer S21 Immersion (301Th)'s favour. The Antminer Slim Edition (S17) claws back ground on consommation électrique. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.

Winner: Bitmain Antminer S21 Immersion (301Th) — l'emporte sur 5 des 6 facteurs

Spec Deltas

The Bitmain Antminer S21 Immersion (301Th) and Antminer Slim Edition (S17) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":

  • Bitmain Antminer S21 Immersion (301Th) 502% more hashrate (301.0 vs 50.0 TH/s)
  • Antminer Slim Edition (S17) 64% better power draw (5,569 vs 2,000 W)
  • Bitmain Antminer S21 Immersion (301Th) 54% better efficacité (18.5 vs 40.0 J/TH)
  • Bitmain Antminer S21 Immersion (301Th) 29% better noise (50.0 vs 70.0 dB)
  • Antminer Slim Edition (S17) 56% better weight (17.2 vs 7.5 kg)
  • Bitmain Antminer S21 Immersion (301Th) 178% more heat output (19,001 vs 6,824 BTU/hr)
  • Bitmain Antminer S21 Immersion (301Th) 5% more score de minage domestique (44.0 vs 42.0)

Cost & ROI Over Time

A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.

Bitmain Antminer S21 Immersion (301Th) Metric Antminer Slim Edition (S17)
$3,333 Upfront cost (MSRP) $600
-$4.67 Daily net profit -$3.36
-$5,037 Net after 1 year -$1,825
-$6,741 Net after 2 years -$3,049
-$8,445 Net after 3 years -$4,274
Does not pay back at current rates (negative daily profit) Payback period Does not pay back at current rates (negative daily profit)

Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitmain Antminer S21 Immersion (301Th)

Score: 44/100. 50 dB noise level.

Best for Efficiency

Bitmain Antminer S21 Immersion (301Th)

18.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21 Immersion (301Th) or Antminer Slim Edition (S17) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer Slim Edition (S17) is more profitable at $-3.36/day compared to $-4.67/day for the Bitmain Antminer S21 Immersion (301Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S21 Immersion (301Th) or Antminer Slim Edition (S17)?

The Bitmain Antminer S21 Immersion (301Th) 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 Immersion (301Th) or Antminer Slim Edition (S17)?

The Bitmain Antminer S21 Immersion (301Th) 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.

Bitmain Antminer S21 Immersion (301Th) vs Antminer Slim Edition (S17): how much does the efficiency gap matter?

The Bitmain Antminer S21 Immersion (301Th) runs at 18.5 J/TH while the Antminer Slim Edition (S17) runs at 40.0 J/TH — a difference of 21.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 54% better efficacité (18.5 vs 40.0 J/TH).

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Last reviewed May 25, 2026.