Bitmain Antminer Z9 on Zcash — Mining Profit, Solo Odds & Cost of Production

40.73 KH/s · Equihash · network 30.36 GH/s. A Bitmain Antminer Z9 solo mining Zcash (ZEC) has about a 1-in-2 chance per year, i.e. an expected block roughly every 1.78 yr for the full 1.2500 ZEC (≈ 1,539 USD) reward.

Bitmain Antminer Z9 on Zcash — Mining Truth Benchmark & Specifications

Consolidated PoW oracle metrics for operating a Bitmain Antminer Z9 on Zcash (ZEC) at live network difficulty and benchmark industrial electricity (0.069 USD/kWh):

Specification / MetricValueContext & Meaning
Algorithm & Hashrate40.73 KH/s on EquihashNominal device hashrate
Rated Power Draw1,150 W (35.42 H/W)Energy efficiency threshold
Daily Pool Yield (Gross)2.37 USD / dayExpected gross pool revenue at spot price
Power Consumption Cost1.90 USD / dayElectricity expense at 0.069 USD/kWh (27.6 kWh/day)
Net Daily Operating Margin+0.46 USD / dayOperational profit/loss after electricity
Operational Breakeven0.086 USD/kWhMaximum electricity tariff before negative profit
Cost of Production (@ 0.069$ kWh)991.3282 USD per ZECDirect electricity expense to produce 1 ZEC
Solo Discovery Expectation1 block every ~1.78 yrPoisson arrival time at network hashrate 30.36 GH/s

Can you solo mine Zcash with a Bitmain Antminer Z9?

Yes — a Bitmain Antminer Z9 (40.73 KH/s) can solo mine Zcash (ZEC) via a solo pool. At Zcash's 30.36 GH/s Equihash network that is about a 1-in-2 chance per year — expected one block roughly every 1.78 yr, for the full 1.2500 ZEC (≈ 1,539 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 Bitmain Antminer Z9 is categorized in the Home / Solo Lottery Tier (Compact or low-power hardware optimized for decentralized solo lottery participation rather than commercial pool revenue.). Among all 14 tracked models on Zcash, it ranks #13 in electrical efficiency (35.42 H/W) and #13 in raw hashrate (40.73 KH/s).

Electricity Operating Costs & Breakeven

Running a Bitmain Antminer Z9 (1,150 W) pulls about 27.60 kWh per day (840.1 kWh per month). At the standard rate of 0.069 USD/kWh, electricity costs roughly 1.90 USD per day (57.97 USD/month or 696 USD/year). Statistically that year returns 0.56 blocks, worth about $864 — expected revenue covers the power bill about 1.2x over.

The operational breakeven threshold is 0.086 USD/kWh. Expected net operating margin at benchmark tariffs:

Break-even Coin Price Target: For this hardware to break even on electricity, Zcash must trade at or above 991.33 USD at standard industrial power (0.069 USD/kWh), or 1,724.05 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 1.78 yr, real-world dispersion ranges across 5% and 50% quantiles:

High Variance Alert: In a 1-in-20 severe drought (~5.34 yr), cumulative electricity burned (~3,712 USD) will exceed the block reward value (1,539 USD). Pool mining is recommended for risk-averse operators.

Bitmain Antminer Z9 Price & Estimated ROI

Current market price: $250–$500 (estimated market price, median $320) (Hardware price estimated). Mined against its most profitable coin instead of solo, it would pay itself back in about 694 days.

How other hardware compares on Zcash

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

HardwareHashrateExpected blockChance in 1 year
Bitmain Antminer Z11134.76 KH/s197 days84.39%
Innosilicon A9+ ZMaster120.35 KH/s220 days80.96%
Bitmain Antminer Z11J104.79 KH/s253 days76.40%
Bitmain Antminer Z11E69.93 KH/s1.04 yr61.85%
Innosilicon A9 ZMaster50.03 KH/s1.45 yr49.82%

How the odds have moved

Zcash's network hashrate climbed 6% since 2026-09-17, from 28.77 GH/s to 30.36 GH/s — so the same rig is now 6% less likely to find a block.

Where to point a Bitmain Antminer Z9 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 16 solo pools for Zcash with their stratum endpoints, fees, and pool hashrates — see Zcash solo mining pools:

Latest Zcash mining & ecosystem events

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 0.1536%, yearly chance 42.96%.

Frequently Asked Questions: Bitmain Antminer Z9 on Zcash

Can you solo mine Zcash with a Bitmain Antminer Z9?

Yes — a Bitmain Antminer Z9 (40.73 KH/s) can solo mine Zcash (ZEC) via a solo pool. At Zcash's 30.36 GH/s Equihash network that is about a 1-in-2 chance per year — expected one block roughly every 1.78 yr, for the full 1.2500 ZEC (≈ 1,539 USD) block. BackPoW computes this from live network difficulty using a Poisson block-discovery model.

Is Equihash ASIC-resistant, and where does the Bitmain Antminer Z9 stand?

Equihash is an ASIC-resistant GPU algorithm relying on memory bandwidth. The Bitmain Antminer Z9 ranks #13 of 14 GPUs on Zcash. It belongs to the Home / Solo Lottery Tier, built for compact, decentralized solo attempts rather than commercial pool income.

What is the operating power cost and breakeven electricity rate for a Bitmain Antminer Z9 on Zcash?

At 1,150 W, operating a Bitmain Antminer Z9 consumes 27.60 kWh/day (840.1 kWh/month). At standard electricity (0.069 USD/kWh), the power bill is 1.90 USD/day (57.97 USD/month). The operational breakeven threshold is 0.086 USD/kWh.

What happens if my Bitmain Antminer Z9 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 5.34 yr, accumulating roughly 3,712 USD in power costs.