Whatsminer M30S++ (Hydro)

Hashrate 112.0 TH/s Power 3,472 W Efficiency 31.0 J/TH

Whatsminer M50S

Hashrate 126.0 TH/s Power 3,276 W Efficiency 26.0 J/TH

Whatsminer M30S++ (Hydro) vs Whatsminer M50S

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

Specifications Comparison

Whatsminer M30S++ (Hydro)	Specification	Whatsminer M50S
112.0 TH/s	Hashrate	126.0 TH/s
3,472 W	Power Consumption	3,276 W
31.0 J/TH	Efficiency	26.0 J/TH
50 dB	Noise Level	75 dB
12.0 kg	Weight	12.8 kg
11,847 BTU/hr	BTU Output	11,178 BTU/hr
50/100	Home Mining Score	36/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
MicroBT	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

Whatsminer M30S++ (Hydro)

Daily Revenue 0.00005154 BTC $3.97

Daily Electricity -$8.33

Daily Profit -$4.37

Monthly -$130.95

Yearly -$1,593.26

Whatsminer M50S

Daily Revenue 0.00005798 BTC $4.46

Daily Electricity -$7.86

Daily Profit -$3.40

Monthly -$101.96

Yearly -$1,240.54

Based on BTC price of $76,982 and current network difficulty as of May 18, 2026. Actual results vary.

Verdict

Our scoring model gives the nod to the Whatsminer M50S, which leads on 4 of 6 weighted factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 16% better efficiency (31.0 vs 26.0 J/TH) in the Whatsminer M50S's favour. That said, the Whatsminer M30S++ (Hydro) isn't beaten everywhere — it still wins home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.

Winner: Whatsminer M50S — wins on 4 of 6 factors

Spec Deltas

The Whatsminer M30S++ (Hydro) and Whatsminer M50S diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":

Whatsminer M50S 13% more hashrate (112 vs 126 TH/s)
Whatsminer M50S 6% better power draw (3,472 vs 3,276 W)
Whatsminer M50S 16% better efficiency (31.0 vs 26.0 J/TH)
Whatsminer M30S++ (Hydro) 33% better noise (50.0 vs 75.0 dB)
Whatsminer M30S++ (Hydro) 6% better weight (12.0 vs 12.8 kg)
Whatsminer M30S++ (Hydro) 6% more heat output (11,847 vs 11,178 BTU/hr)
Whatsminer M30S++ (Hydro) 39% more home mining score (50.0 vs 36.0)

Cost & ROI Over Time

Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.

Whatsminer M30S++ (Hydro)	Metric	Whatsminer M50S
$3,000	Upfront cost (MSRP)	$3,200
-$4.37	Daily net profit	-$3.40
-$4,593	Net after 1 year	-$4,441
-$6,187	Net after 2 years	-$5,681
-$7,780	Net after 3 years	-$6,922
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

Whatsminer M30S++ (Hydro)

Score: 50/100. 50 dB noise level.

Best for Efficiency

Whatsminer M50S

26.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Whatsminer M30S++ (Hydro) or Whatsminer M50S more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M50S is more profitable at $-3.40/day compared to $-4.37/day for the Whatsminer M30S++ (Hydro). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Whatsminer M30S++ (Hydro) or Whatsminer M50S?

The Whatsminer M30S++ (Hydro) is quieter at 50 dB compared to the Whatsminer M50S at 75 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Whatsminer M30S++ (Hydro) or Whatsminer M50S?

The Whatsminer M30S++ (Hydro) scores 50/100 on our Home Mining Score (vs 36/100 for the Whatsminer M50S). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.

How far apart are the Whatsminer M30S++ (Hydro) and Whatsminer M50S on J/TH?

The Whatsminer M30S++ (Hydro) runs at 31.0 J/TH while the Whatsminer M50S runs at 26.0 J/TH — a difference of 5.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 16% better efficiency (31.0 vs 26.0 J/TH).

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