Innosilicon A9++ ZMaster on Zcash — Mining Profit, Solo Odds & Cost of Production

139.86 KH/s · Equihash · network 30.50 GH/s. A Innosilicon A9++ ZMaster solo mining Zcash (ZEC) has about 2 blocks per year, i.e. an expected block roughly every 191 days for the full 1.2500 ZEC (≈ 1,578 USD) reward.

Innosilicon A9++ ZMaster on Zcash — Mining Truth Benchmark & Specifications

Consolidated PoW oracle metrics for operating a Innosilicon A9++ ZMaster on Zcash (ZEC) at live network difficulty and benchmark industrial electricity (0.069 USD/kWh):

Can you solo mine Zcash with a Innosilicon A9++ ZMaster?

Yes — a Innosilicon A9++ ZMaster (139.86 KH/s) can solo mine Zcash (ZEC) via a solo pool. At Zcash's 30.50 GH/s Equihash network that is about 2 blocks per year — expected one block roughly every 191 days, for the full 1.2500 ZEC (≈ 1,578 USD) block. BackPoW computes this from live network difficulty using a Poisson block-discovery model. Realistically this is genuinely worth a patient solo run.

Hardware Tier & Ecosystem Ranking on Zcash

The Innosilicon A9++ ZMaster is categorized in the Mid-Range Workhorse Tier (Middle quartile hashrate offering solid pool mining throughput with moderate solo variance.). Among all 15 tracked models on Zcash, it ranks #9 in electrical efficiency (90.23 H/W) and #8 in raw hashrate (139.86 KH/s).

Electricity Operating Costs & Breakeven

Running a Innosilicon A9++ ZMaster (1,550 W) pulls about 37.20 kWh per day (1132.3 kWh per month). At the standard rate of 0.069 USD/kWh, electricity costs roughly 2.57 USD per day (78.13 USD/month or 938 USD/year). Statistically that year returns 1.91 blocks, worth about $3,019 — expected revenue covers the power bill about 3.2x over.

The operational breakeven threshold is 0.222 USD/kWh. Expected net operating margin at benchmark tariffs:

• At 0.040 USD/kWh (Hydro / Renewable): +6.78 USD / day
• At 0.069 USD/kWh (Standard Industrial): +5.70 USD / day
• At 0.120 USD/kWh (Residential Grid): +3.80 USD / day

Break-even Coin Price Target: For this hardware to break even on electricity, Zcash must trade at or above 392.03 USD at standard industrial power (0.069 USD/kWh), or 681.78 USD at residential power (0.120 USD/kWh).

Bankroll & Variance Risk Simulator

Solo mining block discovery follows a memoryless Poisson distribution. While the average wait is 191 days, real-world dispersion ranges across 5% and 50% quantiles:

• Lucky streak (5% Odds): Block within ~10 days (1-in-20 fastest discovery, power cost: ~25 USD)
• Median expectation (50% Odds): Block within ~132 days (Nominal median, power cost: ~340 USD)
• Bad luck streak (5% Odds): Can stretch up to ~1.57 yr (1-in-20 extended dry spell, power cost: ~1,468 USD)

Jackpot Safe: Even in a 1-in-20 bad luck drought (~1.57 yr), the Zcash block reward (1,578 USD) covers electricity costs (~1,468 USD) with a net surplus of ~110 USD.

Innosilicon A9++ ZMaster Price & Estimated ROI

Current market price: $1,200–$1,800 (estimated market price, median $1,374) (Hardware price estimated). Mined against its most profitable coin instead of solo, it would pay itself back in about 241 days.

How other hardware compares on Zcash

Devices in the same hashrate class, solo mining Zcash at today's difficulty:

How the odds have moved

Zcash's network hashrate climbed 10% since 2026-09-22, from 27.80 GH/s to 30.50 GH/s — so the same rig is now 10% less likely to find a block.

Where to point a Innosilicon A9++ ZMaster at Zcash

Solo mining still runs through a solo pool: it handles the block template and pays the full reward to whoever finds the block. BackPoW tracks 17 solo pools for Zcash with their stratum endpoints, fees, and pool hashrates — see Zcash solo mining pools:

• mining-dutch.nl (Fee: 1% · Hashrate: 98.31 MH/s)
• heliospool.com (Fee: 1% · Hashrate: 9.37 MH/s)
• fenixpool.com (Fee: 1% · Hashrate: 3.15 MH/s)

How the odds are calculated

Solo mining is memoryless: every hash is an independent lottery ticket, so the wait for a block follows an exponential distribution rather than a fixed schedule. On average a block takes T = network_hashrate ÷ your_hashrate × block_time, and the probability of finding at least one within a window t is P = 1 − e^(−t/T). BackPoW uses this Poisson relation instead of a naive linear estimate. For this pair: daily chance 0.5224%, yearly chance 85.24%.

Frequently Asked Questions: Innosilicon A9++ ZMaster on Zcash

Can you solo mine Zcash with a Innosilicon A9++ ZMaster?

Yes — a Innosilicon A9++ ZMaster (139.86 KH/s) can solo mine Zcash (ZEC) via a solo pool. At Zcash's 30.50 GH/s Equihash network that is about 2 blocks per year — expected one block roughly every 191 days, for the full 1.2500 ZEC (≈ 1,578 USD) block. BackPoW computes this from live network difficulty using a Poisson block-discovery model.

Is Equihash ASIC-resistant, and where does the Innosilicon A9++ ZMaster stand?

Equihash is an ASIC-resistant GPU algorithm relying on memory bandwidth. The Innosilicon A9++ ZMaster ranks #8 of 15 GPUs on Zcash. It operates in the Mid-Range Tier (middle quartile), offering solid pool mining throughput with moderate solo variance.

What is the operating power cost and breakeven electricity rate for a Innosilicon A9++ ZMaster on Zcash?

At 1,550 W, operating a Innosilicon A9++ ZMaster consumes 37.20 kWh/day (1132.3 kWh/month). At standard electricity (0.069 USD/kWh), the power bill is 2.57 USD/day (78.13 USD/month). The operational breakeven threshold is 0.222 USD/kWh.

What happens if my Innosilicon A9++ ZMaster encounters a severe dry spell on Zcash?

Block discovery is an independent Poisson process with no memory. In a 1-in-20 bad luck drought (5% worst luck), finding a block can stretch up to 1.57 yr, accumulating roughly 1,468 USD in power costs.