Zcash MiningLOCAL RIG REFERENCE
Choose your mining rig
One selected model applies to the fleet. Sorted by advertised hashrate, not desirability or profit. Seller ratings, stock and arrival remain unverified.
Z15 Pro · 840840 KSol/s · 3 kW / rig840 KSol/s / 2.78 kW typical specification; app uses a separate 3 kW planning allowance.Reference: Owner-provided LeedMiner offer line, 18 Sep 2026; US$8450 per unit.
Selected batch reference: mix Jan-Feb · US$8,450.
Current delay: 5 months. Set 0 only if ready to mine now. The five-month default was chosen for the Jan/Feb Pro batch; it is not a delivery estimate for every rig. Your delay is kept when changing models—check the selected rig’s actual arrival and setup time.
Selected rig source, availability and offer boundary
BITMAIN Z15 Pro specification · accessed 20 Sep 2026. 840 KSol/s / 2.78 kW typical specification; app uses a separate 3 kW planning allowance. Owner-provided supplier offer lines; stock and delivery unverified.
Supplier wording retained. It does not describe a mixed-rig fleet or confirm arrival. Price is user-provided USD per unit, not a landed-cost, tax or accepted-quote fact.
Personal scenario tool · no downloads · no transaction connectionGrid mining.
Made explicit.
Test the selected rig model against buying ZEC with the same assessed upfront cash. This is a dated, editable scenario—not a forecast, offer or mining plan.
How to read this calculator
Compare grid mining with buying ZEC using editable, dated assumptions. Results are scenarios, not forecasts or promised returns. Solar and batteries are excluded. Blank costs remain unassessed; shipping delay is included in the horizon.
01 / USER SCENARIO
Set the decision inputs
UpfrontNZ$15,669Initial net / monthNZ$2,288Payback crossingMonth 12Cost inputsPartial
DELIVERY COSTS
Freight & insurance
Editable NZD allowances, ex GST, dated 20 Sep 2026—not carrier tariffs, quotes, policy terms or proof of cover.
The per-rig rates stay fixed when you change rig, hardware value or FX; fleet totals still scale with quantity. Recheck freight, transit cover and annual equipment insurance for the selected model, value and fleet; enter 0 only after you have assessed that cost as zero. Arrival and commissioning are assumed simultaneous: earlier on-site storage before commissioning is not modelled. Obtain written insurer acceptance of cryptocurrency mining and fire risk before treating devices as covered.
Freight and insurance source boundary
LeedMiner contact lists a Shenzhen, Guangdong office, but that does not establish the Jan/Feb batch dispatch warehouse; Shenzhen is only a planning origin and a Hong Kong handoff remains unconfirmed. Its FAQ names air carriers but gives conflicting freight wording; it is not a New Zealand route quote. The NZ$600 freight allowance fits a prior local US$200–400 planning band at the dated FX, not a carrier tariff. DHL Hong Kong’s insurance guide describes an HK context, not this route; NZ$300 is a rounded transit-budget proxy, not a policy premium. Vero BusinessPlan shows cover categories subject to underwriting, exclusions and limits; NZ$450 per rig/year is an unsourced planning placeholder, not a mining-risk premium or coverage claim. NZ Customs levies records a NZ$51.81 high-value air-import levy component from 1 April 2026, not all broker, duty or clearance costs. Import GST, duty classification, claims, excesses, building/public liability, machinery breakdown and business interruption are excluded unless separately assessed.
ZEC price: User scenario assumption; not a live market fact.
FX: RBNZ reference dated 18 Sep 2026; editable planning FX.
Default hardware is the owner-provided US$8,450 Jan-Feb reference. Selected rig inputs are dated local references, with no supplier stock, delivery, landed-cost or tax claim; the 3 kW / rig planning allowance is deliberately above the 2.78 kW manufacturer typical power. All totals exclude tax, finance and resale value; entered planning allowances are not verified as complete, quoted or insured.
02 / CASHFLOW TRAJECTORY
What this scenario says
Partial: excludes import clearance, commissioning / electrical, other upfront costs, ongoing non-power costs. Blank is not zero.
Monthly figures describe the first operating month, not months waiting for delivery. Payback is the first month-end cashflow crossing within five calendar years, including delay and entered costs. It assumes mined ZEC is sold at the scenario price; sale fees are excluded. Price/FX stay fixed; network growth and reward changes still apply beyond the selected reporting horizon. Five years is a search limit, not an expected rig lifespan. Later losses can reverse an earlier crossing; blank costs and tax are excluded.
Cashflow checkpoints
Upfront cash is paid in month 0. Mining begins in month 6; the network and reward clocks do not wait for commissioning. Arrival and commissioning are assumed simultaneous, so the monthly insurance budget starts with the first on-site month regardless of uptime or yield.
| Month | Network | Reward | Net ZEC | Cashflow | Cumulative |
|---|---|---|---|---|---|
| 1 · delay | 29.45 GSol/s | 1.25 ZEC | 0 ZEC | NZ$0 | NZ$-15,669 |
| 12 | 29.45 GSol/s | 1.25 ZEC | 1.1631 ZEC | NZ$2,288 | NZ$345 |
Rig lifecycle / evidence
Rig life & upkeep
Expected lifespan is unverified: physical serviceability, economic viability and warranty are different questions. BITMAIN’s general air-cooled ANTMINER guide says clean monthly, earlier where dust restricts cooling. Assess a whole-fleet monthly repair and maintenance budget in Other ongoing non-power; it excludes power and existing insurance, does not auto-scale with rig count, and this model does not age, retire or replace rigs.
Read the dated evidence and boundariesAdvanced assumptions, costs and source distinctions
Network and performance
More network competition/difficulty means fewer ZEC for the same rig. This model applies network growth once; it has no separate difficulty penalty.
Calendar and subsidy caveat
Remaining optional costs
Leave blank to retain a visible partial result. Enter 0 only when you have assessed zero. Freight, transit insurance, clearance and annual equipment insurance are deliberately kept in the visible Freight & insurance block above.
Dated source boundaries
- BITMAIN Z15 Pro specification: selected-rig reference, accessed 20 Sep 2026. 840 KSol/s / 2.78 kW typical specification; app uses a separate 3 kW planning allowance.
- 2Miners ZEC pool refreshed 20 Sep 2026: 29.45 GSol/s, difficulty 288.36M, 1.25 ZEC miner reward and 1% provider fee. This replaces the earlier same-day 32.20 GSol/s snapshot. Network hashrate fluctuates and is an estimate, not a future yield guarantee. The 2% fee remains a separate user assumption.
- Zcash mining economics: 1.25 ZEC miner subsidy plus transaction fees per block. This calculator excludes variable transaction-fee revenue, pool luck and payout thresholds; it estimates earned ZEC, not the date a pool pays your wallet.
- Zcash network: estimated next halving 23 Nov 2028, height 4,406,400. Future funding allocation may change; the post-change reward input is deliberately not presented as a current-rule fact.
- RBNZ exchange-rate reference dated 18 Sep 2026 supplies the default FX. Optional fetched rates are separate, explicit user actions.
Market reference rates
Fetch the latest rates, then choose what to apply. Your scenario stays under your control.
ZEC / USD
—Kraken last-trade price. Retrieval time is shown; the ticker does not include trade time.
Not fetched yet.
USD / NZD
—ECB daily reference via Frankfurter. Not an intraday or executable FX quote.
Not fetched yet.