Cryptocurrency mining has always been a volatile space, shaped by market swings, hardware advancements, and network difficulty. As we step into July 2025, one of the most pressing questions for miners, both new and seasoned, is this:
Is crypto mining still profitable in mid-2025, especially with mid-tier miners?
Let’s break it down with real numbers, market context, and practical insights to see if plugging in your miner still makes sense today.
Before diving into profitability, we need to clarify what qualifies as a mid-tier mining rig in 2025. A mid-tier setup typically includes:
These rigs aren’t cutting-edge like the latest Bitmain S21 series, but they offer a solid performance-to-cost ratio, especially if you're running on discounted or off-grid electricity.
To understand profitability, context is everything. Here’s what the crypto landscape looks like this month:
The April 2024 halving slashed block rewards, making miner efficiency more critical than ever. Combined with a growing hash rate, competition has surged, squeezing margins for everyone, especially mid-range miners.
Let’s analyze a common mid-tier unit: Antminer S19j Pro+ (120 TH/s, 3,000W).
Revenue & Costs (Per Day):
⚠️ Note: This profit estimate fluctuates with BTC price, fees, pool efficiency, and local electricity rates. If you're paying $0.10/kWh or more, your profits shrink significantly, potentially into the red.
1. Electricity Rate
The #1 make-or-break factor. At $0.05/kWh or below, mining can remain lucrative even with older miner. At $0.10/kWh, only the most efficient models are profitable.
2. Pool Fees
Most mining pools take 1–2% in fees. Opt for low-fee or FPPS (Full Pay Per Share) models for predictable returns.
3. Bitcoin Price Volatility
A sudden BTC pump (e.g. back to $70K+) can instantly swing profits upward, while a dip below $50K could force breakeven or losses.
4. Cooling Costs
Mid-tier rigs run hot. If you’re in a hot climate, expect higher HVAC or immersion cooling expenses.
5. Firmware Optimizations
Third-party firmware like BraiinOS+ or Vnish can unlock better efficiency and profitability by undervolting and overclocking safely.
Let’s say you purchase an S19j Pro+ for $950.
This makes mid-tier mining moderately attractive, especially for small-scale miners with access to cheap power or recycled heat use (e.g. home heating, greenhouse systems).
If you're still unsure, consider:
Yes, but only if you run a tight ship.
Mid-tier mining in July 2025 is not plug-and-play profitable for everyone. It requires:
If you can manage those, even older miners like the S19j Pro+ can still bring in solid returns. Otherwise, it may be time to consider high-efficiency upgrades or shift toward GPU-based altcoin mining.
Don’t just chase hashrate, chase efficiency and total cost of ownership. With the right setup, you can still mine your way into the green.
