Best Zcash ASIC Miner in 2026: Z15 Pro vs Z15 vs Z9 vs GPU Mining

Direct answer: The best Zcash ASIC miner to buy in 2026 is the Bitmain Antminer Z15 Pro 860 kSol/s. It mines Zcash (ZEC) and Horizen (ZEN) on Equihash at 3.23 J/kSol, roughly 76% more efficient than the older Z15 and about 3.3x more efficient than the Z9. At ZEC $512 and a stable network hashrate near 9 GSol/s, one unit earns about 0.215 ZEC per day, around $110 gross. No Z16 has been announced, so the Z15 Pro is still the newest Equihash ASIC you can buy new.

The Zcash mining hardware field in 2026

Zcash uses the Equihash algorithm, and only a handful of machines can mine it profitably. The pool of realistic options has not changed in years, which is exactly why this comparison is stable enough to rely on:

• Antminer Z15 Pro (860 kSol/s): current flagship, still in production and available new.
• Antminer Z15 Pro 840 (840 kSol/s): lower-binned variant of the same machine.
• Antminer Z15 (420 kSol/s): 2022 generation, discontinued, used market only.
• Antminer Z9 (140 kSol/s): 2018 generation, obsolete at nearly every power rate.
• GPU rigs: not competitive for Equihash since roughly 2020.

The Equihash network hashrate has held in the 8 to 10 GSol/s band through mid-2026, with ZEC trading near $512 and ZEN near $4.16 as of August 8, 2026. That stability matters because your daily earnings are a share of a fixed daily emission of about 2,250 ZEC (720 blocks at 3.125 ZEC each), divided among every active machine.

Z15 Pro vs Z15 vs Z9 vs GPU: specs compared

Machine	Hashrate	Power	Efficiency	Status in 2026
Antminer Z15 Pro 860	860 kSol/s	2,780 W	3.23 J/kSol	Current flagship, in stock
Antminer Z15 Pro 840	840 kSol/s	2,780 W	3.31 J/kSol	Lower bin, same power draw
Antminer Z15 (2022)	420 kSol/s	2,400 W	5.71 J/kSol	Discontinued, used only
Antminer Z9 (2018)	140 kSol/s	1,500 W	10.7 J/kSol	Obsolete, mostly unprofitable
RTX 4090 GPU rig	~1.2 kSol/s	350+ W	290+ J/kSol	Not viable for Equihash

Efficiency (J/kSol) is the number that decides whether a machine earns or loses money, because it sets how much of your daily revenue goes to the power bill. The Z15 Pro 860 uses 76% less energy per unit of work than the Z15 and about 3.3x less than the Z9.

Z15 Pro 860 kSol/s: the efficiency king

The Z15 Pro is Bitmain's newest Equihash ASIC, released in 2023 and still unrivaled in 2026. It delivers 860 kSol/s at 2,780 W, which works out to 3.23 J/kSol, the best efficiency available on the algorithm. It mines both ZEC and ZEN, runs on standard air cooling, and fits a single 220-240V circuit.

At current market conditions, a Z15 Pro earns roughly 0.215 ZEC per day. At ZEC $512 that is about $110 gross, and after power at $0.10/kWh (about $6.67 per day) the net is around $103 per day. On the current $6,799 list price, that is roughly a 66-day payback at typical US residential power.

Z15 Pro vs Z15: is the 2022 unit still worth it?

The original Z15 offers 420 kSol/s at 2,400 W, or 5.71 J/kSol. It produces about half the hashrate of the Z15 Pro while using almost as much power. On the used market a Z15 might cost less upfront, but the efficiency gap means it earns less per day and costs more to run per unit of work.

The upgrade logic is simple: a Z15 Pro makes more per day and the efficiency difference compounds with every difficulty adjustment. Unless a used Z15 is dramatically cheaper, the Z15 Pro is the better buy, and its resale value holds better because it remains the newest machine on the algorithm.

Z15 Pro vs Z9: the generation gap

The Z9 from 2018 runs at 140 kSol/s and 10.7 J/kSol. At typical power rates, a Z9 loses money or breaks even, because its power cost eats most of its daily ZEC. It is a museum piece for Equihash, not a mining tool. Anyone selling a Z9 as a cheap way into Zcash mining is selling a machine that the math no longer supports.

Why GPU mining is not an option in 2026

Consumer GPUs hover around 250-300 J/kSol for Equihash, roughly 80 to 90 times worse than the Z15 Pro. Even a high-end card like the RTX 4090 produces only about 1.2 kSol/s at 350+ W. The algorithm's difficulty is set by ASICs, so GPUs simply cannot pay their power bill. GPU Zcash mining ended years ago and will not come back while ASICs dominate the network.

What the numbers mean at today's ZEC price

ZEC is trading near $512 as of August 8, 2026, with ZEN at $4.16. On a stable 9 GSol/s network, the daily earnings picture looks like this:

Power Rate	Power Cost/Day	Net/Day	Payback on $6,799
$0.05/kWh	$3.34	~$106	~64 days
$0.10/kWh	$6.67	~$103	~66 days
$0.15/kWh	$10.01	~$99	~68 days

These figures are illustrative, not guarantees. Coin price, difficulty, and pool luck all move daily. What does not move much is the efficiency ranking: the Z15 Pro sits at the top and no successor has been announced, so the machine you buy today is not facing a hardware refresh cycle.

Where to buy a Zcash ASIC in 2026

Because Equihash ASICs are produced in small volumes, most listings online are pre-orders or deposit traps. A verified seller should show current stock, quote DDP shipping so the delivered price is the total price, and put the warranty in writing before you pay. The Miner Island is a verified US LLC with real Hong Kong stock, and the Z15 Pro 860 kSol/s is listed in stock at $6,799 with a 60-day warranty, free DDP on orders over $5,000, and a 3% Bitcoin payment discount.

FAQ

What is the best Zcash ASIC miner in 2026?
The Antminer Z15 Pro 860 kSol/s. It is the most efficient Equihash ASIC at 3.23 J/kSol, mines ZEC and ZEN, and is still the newest machine on the algorithm with no Z16 announced.

Is the Z15 Pro better than the Z15?
Yes. The Z15 Pro delivers 860 kSol/s at 3.23 J/kSol versus 420 kSol/s at 5.71 J/kSol for the Z15. It earns more per day and uses less power per unit of work.

Can I mine Zcash with a GPU in 2026?
Not profitably. GPUs run at 250-300 J/kSol on Equihash versus 3.23 J/kSol for the Z15 Pro, and the network difficulty is set by ASICs.

How much does the best Zcash ASIC earn per day?
At ZEC $512 and a 9 GSol/s network, a Z15 Pro earns about 0.215 ZEC per day, roughly $110 gross, or about $103 net at $0.10/kWh power.

Is the Z15 Pro in stock right now?
Yes. The Miner Island lists the Z15 Pro 860 kSol/s as in stock at $6,799, shipping in 24-72 hours with DDP terms and a 60-day warranty.

The bottom line

For 2026, the Zcash ASIC comparison has a clear winner. The Antminer Z15 Pro 860 kSol/s beats the Z15 and Z9 on efficiency by a wide margin, GPUs are out of the picture entirely, and no next-generation machine has been announced. It is the only current-generation Equihash ASIC you can buy new, and it is available in stock today.

Buy the Antminer Z15 Pro 860kSol/s at $6,799, in stock at The Miner Island with free DDP shipping on orders over $5,000 and a 3% Bitcoin discount. Every unit is bench-tested before it ships.

Data sources: live prices from CoinMarketCap on August 8, 2026 (ZEC ~$512, ZEN ~$4.16); network parameters from z.cash; Horizen updates from horizen.io. Mining profitability depends on volatile factors including coin price, network difficulty, and electricity rates. Figures are illustrative, not a guarantee of results.