Bitmain Antminer Z15, Z11, Z9

 

ASIC Model series:	ASIC Release:	Hashrate:	ASIC Power:		ASIC Algo:
Bitmain Antminer Z15 Pro	Jul 2023	840kh/s	2780W		Equihash
Bitmain Antminer Z15	Jun 2020	420kh/s	1510W		Equihash
Bitmain Antminer Z11	Jun 2019	135kh/s	1418W		Equihash
Bitmain Antminer Z9	Sep 2018	42kh/s	970w		Equihash
Bitmain Antminer Z9	Jun 2018	10kh/s	300		Equihash

Modified ASIC Firmware for Antminer Z series
(15-25% improvement) download here

 

The Equihash mining algorithm has long been one of the most important Proof-of-Work systems in the cryptocurrency ecosystem. Designed to be memory-hard and resistant to early GPU dominance, Equihash quickly became a prime target for ASIC miners, especially those developed by Bitmain Antminer.

Today, Equihash ASIC miners dominate the ecosystem, delivering unmatched performance, stability, and long-term mining reliability. This article provides an in-depth look at Equihash, the most relevant ASIC Antminer models, supported coins, network difficulty, mining pools, user experiences, and long-term hardware viability.

What Is the Equihash Mining Algorithm?

The Equihash algorithm is a Proof-of-Work (PoW) hashing algorithm based on the generalized birthday problem. It was initially promoted as GPU-friendly, but over time, highly optimized ASIC hardware took over due to its superior efficiency and hash density.

Equihash is used by several privacy-focused and performance-oriented blockchains. Its algorithmic design emphasizes memory usage, which makes ASIC miners with custom memory layouts significantly more efficient than GPUs or CPUs.

Why ASIC Miners Dominate Equihash Mining

While Equihash was originally intended to limit ASIC dominance, the rise of Equihash ASIC miners changed the landscape permanently.

ASIC advantages include:

• Extremely high hash rates

• Lower power consumption per solution

• Stable long-term operation

• Optimized firmware for Equihash parameters

• Reduced maintenance compared to GPU rigs

Today, Equihash mining without ASICs is generally unprofitable, especially on major networks.

Coins That Can Be Mined With Equihash ASIC Miners

Before diving into hardware, it’s important to understand which cryptocurrencies rely on the Equihash algorithm.

Major Equihash Coins

• Zcash (ZEC) – the primary Equihash coin

• Horizen (ZEN)

• Komodo (KMD)

• Bitcoin Gold (BTG)(Equihash-BTG variant)

• ZClassic (ZCL)

Not all Equihash ASIC miners support all variants. Always verify compatibility with the specific Equihash parameters used by the coin.

Equihash Network Difficulty & Mining Economics

Network difficulty in Equihash-based coins dynamically adjusts according to total network hash power. As more ASIC miners join the network, difficulty increases, reducing rewards per TH/s.

Key economic factors include:

• Electricity price (critical for ASIC profitability)

• Coin market price volatility

• Pool fees

• ASIC efficiency (H/s per watt)

• Block reward halvings

High-performance ASICs such as Antminer Z15 Pro remain profitable longer during difficulty increases.

Best Equihash Mining Pools for ASIC Miners

Selecting the right mining pool is essential for consistent payouts and low downtime.

Popular Equihash ASIC Mining Pools

• Flypool (Zcash focused)

• F2Pool

• Luxor Mining

• ViaBTC

• MiningPoolHub

Each pool varies in payout methods (PPS, PPLNS), fee structure, and server availability.

Antminer ASIC Lineup for Equihash Mining

Bitmain has released multiple generations of Equihash ASIC miners, each targeting different efficiency and performance levels. Below is a professional breakdown of each model.

Antminer Z15 Pro ASIC – Flagship Equihash Miner

The Antminer Z15 Pro ASIC represents the pinnacle of Equihash mining hardware. It is designed for industrial-scale operations with maximum efficiency and sustained hash performance.

Antminer Z15 Pro ASIC

Technical Specifications – Antminer Z15 Pro ASIC

• Algorithm: Equihash

• Hashrate: ~840 kSol/s

• Power Consumption: ~2560 W

• Efficiency: ~3.05 J/kSol

• Release Date: 2023

• Cooling: High-performance dual-fan

• Noise Level: ~75 dB

This ASIC is ideal for professional mining farms with low electricity costs and advanced cooling systems.

Antminer Z15 ASIC – Proven Equihash ASIC Workhorse

The Antminer Z15 ASIC became one of the most widely deployed Equihash miners due to its balance between cost, performance, and reliability.

Antminer Z15 ASIC

Technical Specifications – Antminer Z15 ASIC

• Algorithm: Equihash

• Hashrate: ~420 kSol/s

• Power Consumption: ~1510 W

• Efficiency: ~3.6 J/kSol

• Release Date: 2020

Even years after release, the Z15 remains operationally relevant in regions with moderate electricity pricing.

Antminer Z11 ASIC – Entry-Level Professional ASIC

The Antminer Z11 ASIC marked a major generational shift from early Equihash miners, doubling efficiency compared to older models.

Antminer Z11 ASIC

Technical Specifications – Antminer Z11 ASIC

• Algorithm: Equihash

• Hashrate: ~135 kSol/s

• Power Consumption: ~1418 W

• Release Date: 2019

• Efficiency: ~10.5 J/kSol

The Z11 is often used as a secondary miner or in mixed ASIC environments.

Antminer Z9 ASIC – First-Generation Equihash ASIC

The Antminer Z9 ASIC was one of the earliest successful Equihash ASIC miners, marking the beginning of ASIC dominance in this algorithm.

Antminer Z9 ASIC

Technical Specifications – Antminer Z9 ASIC

• Algorithm: Equihash

• Hashrate: ~40 kSol/s

• Power Consumption: ~1150 W

• Release Date: 2018

While largely obsolete for profitability, Z9 units are still used for testing, learning, or low-difficulty networks.

Antminer Z9 Mini ASIC – Compact Equihash ASIC

The Antminer Z9 Mini ASIC was designed for hobbyists and small-scale miners.

 Antminer Z9 Mini ASIC 

Technical Specifications – Antminer Z9 Mini ASIC

• Algorithm: Equihash

• Hashrate: ~10 kSol/s

• Power Consumption: ~300 W

• Release Date: 2018

• Noise Level: Lower than full-size ASICs

Today, this ASIC is mainly used for educational or experimental purposes.

User Experiences With Equihash ASIC Miners

User feedback across forums and mining communities highlights several recurring themes:

• High stability compared to GPU rigs

• Predictable performance with proper cooling

• Noise and heat as major operational challenges

• Firmware updates significantly improve efficiency

• ROI highly dependent on electricity pricing

Professional users strongly recommend voltage-stable power supplies and dust-free environments.

Repairability, Resale Value & ASIC Longevity

Bitmain ASIC miners typically include a 180-day manufacturer warranty, but long-term users rely heavily on third-party repair services.

Important considerations:

• Hash board repair availability

• Power supply replacements

• Resale value of newer ASIC models

• Compatibility with aftermarket firmware

Newer models like Z15 Pro ASIC maintain resale value significantly longer than older generations.

The Equihash mining algorithm has evolved into an ASIC-dominated ecosystem, where performance, efficiency, and hardware reliability define success. Bitmain’s Antminer ASIC lineup, from the Z9 series to the powerful Z15 Pro, provides miners with scalable options for different budgets and energy costs.

Choosing the right ASIC miner, optimizing pool selection, and controlling operational costs are the keys to long-term Equihash mining profitability.