Open Source
NerdMiner V2
The NerdMiner V2 by Open Source runs the SHA256 algorithm, delivers 78 KH/s, draws 1W, at 0.01 J/KH efficiency. It mines BTC. Available for purchase from MinerHaolan with fast international shipping from Hong Kong and manufacturer warranty included.
Algorithm
SHA256
Hashrate
78 KH/s
Power
1W
Available Coins
SSL Secured
256-bit encryption
6-12 Month Warranty
Full coverage
Free Shipping
Orders over $5,000
Buyer Protection
Verified seller
Minimalist open-source Bitcoin miner built on ESP32 microcontroller delivering 78 KH/s at just 1W. Features integrated OLED display showing real-time mining stats and block visualization. USB-powered design makes it purely educational—perfect for learning SHA-256 hashing and supporting network decentralization. Run constantly for pennies a day while attempting solo block discovery.
Key Features
- Industry-leading 0.01 J/KH energy efficiency
- Powerful 78 KH/s hashrate for maximum profitability
- Advanced thermal management with Passive
- Easy setup and management via web interface
Profitability Calculator🟢 Live Data
Estimates for NerdMiner V2, from live network hashrate and price
| Metric | Daily | Monthly | Yearly |
|---|---|---|---|
| Income | $0.0000 | $0.0000 | $0.0000 |
| Electricity | -$0.0019 | -$0.06 | -$0.70 |
| Profit | -$0.0019 | -$0.06 | -$0.70 |
* Revenue from live network hashrate, block time and block reward (source: WhatToMine), assumes a 1% pool fee, and extrapolates today's difficulty and price flat for the monthly/yearly figures. Estimates only, not a guarantee of earnings.
Compare with similar miners
Same algorithm, closest hashrate. Estimated profit assumes $0.08/kWh electricity and live network data.
Goldshell Model ST
Goldshell ST Box - Starcoin Miner (13.92Kh)
- Hashrate
- 13.92Kh/s
- Power
- 61W
- Efficiency
- 4.38 J/KH
- Cooling
- Air
- Price
- $1,125.00
IceRiver
Iceriver AE0 Aleo Miner (60Mh)
- Hashrate
- 60Mh/s
- Power
- 100W
- Efficiency
- 1.7 J/MH
- Cooling
- Air
- Price
- $431.10
Bitmain
iPollo V1 Mini Classic ETC Miner (130Mh)
- Hashrate
- 130Mh/s
- Power
- 104W
- Efficiency
- 0.8 J/MH
- Cooling
- Air
- Price
- $530.10
Bitmain
iPollo V1 Mini SE ETC Miner (200Mh)
- Hashrate
- 200Mh/s
- Power
- 130W
- Efficiency
- 0.7 J/MH
- Cooling
- Air
- Price
- $494.10
Loyaltech Model YM
LoyalTech YM-200 Mini ETH & ETC Miner (200Mh)
- Hashrate
- 200Mh/s
- Power
- 180W
- Efficiency
- 0.9 J/MH
- Cooling
- Air
- Price
- $899.10
Bitmain
iPollo V1 Mini Classic Plus ETC Miner (280Mh)
- Hashrate
- 280Mh/s
- Power
- 270W
- Efficiency
- 1 J/MH
- Cooling
- Air
- Price
- $494.10
Bitmain
Anexminer ET3 - ETH ETC Miner (300Mh)
- Hashrate
- 300Mh/s
- Power
- 220W
- Efficiency
- 0.7 J/MH
- Cooling
- Air
- Price
- $652.50
Bitmain
iPollo X1 ETC Miner (300Mh)
- Hashrate
- 300Mh/s
- Power
- 240W
- Efficiency
- 0.8 J/MH
- Cooling
- Air
- Price
- $629.10
Customer Reviews
Sign in to write a review4.3
Based on 28 reviews
Great value compared to competitors
Compared my NerdMiner V2 cost to competitors and MinerHaolan offers great value. Same quality, better price, excellent service. The choice was easy.
Holds its own against flagship models
The NerdMiner V2 holds its own against flagship models from major brands. Don't let the price fool you - this is serious mining hardware.
After-sales support is excellent
The after-sales support for my NerdMiner V2 has been excellent. MinerHaolan follows up to ensure satisfaction. This level of care is uncommon in this industry.
Cost-effective mining solution
The NerdMiner V2 provides a cost-effective mining solution. The initial investment is offset by daily earnings and low operating costs. Solid value.
Documentation was complete
My NerdMiner V2 came with complete documentation - manuals, warranty info, setup guides. MinerHaolan provides everything you need to get started immediately.
Frequently Asked Questions about NerdMiner V2
Related Mining Guides
NerdMiner NerdOCTAxe Rev 3.1 Review: 12Th/s 240W Home Bitcoin Miner Tested
Review of the NerdMiner NerdOCTAxe Rev 3.1: A compact, low-power 12TH/s Bitcoin miner at 240W, ideal for beginners and home use. Learn about performance and ...
19 min readMining GuidesNerdMiner Buyer’s Guide 2026: NerdQaxe++, NerdOCTAxe, and Rev 3.1 Compared
Compare NerdQaxe++, NerdOCTAxe & Rev 3.1 for home Bitcoin mining in 2026. See hash rate, power use & choose the best low-power ASIC miner for you.
23 min readGuides7 Proven Techniques to Reduce ASIC Miner Noise at Home
A stock air-cooled ASIC miner runs its fans hard, continuously, for as long as it's hashing. These techniques — from firmware undervolting to switching cooling method entirely — bring that down to a room you can actually live with.
8 min read
