Bitmain Antminer L11

Miner + Setup & Support

£6,450.00

Bitmain Antminer L11

Verified ASIC Hardware Supplier

Bitmain Antminer L11

LTC, DOGE & BEL ASIC Miner

£6,450.00

Setup Available

In stock - Ready to Ship

Key Specifications

Hash Rate: 20GH/s

Power: 3680W

Algorithim: Scrypt

Efficiency: 184J/G

The Bitmain Antminer L11 20G is a high-performance Scrypt ASIC miner designed for Litecoin and other Scrypt-based cryptocurrencies. With a nominal hashrate of around 20 GH/s and modern power-efficient architecture, it offers a balance of hashing power and energy use suitable for retail home miners in the UK and EU. Compact and air-cooled, the L11 20G is straightforward to install in small-scale setups where space and noise are considerations.

Setup & Support: Recommended for most buyers

Remote setup service

Power & saftey guidance

Network & account setup

Miner configuration

This miner is available as hardware only or with our Setup & Support package which is recommended for most buyers.

The Setup & Support option includes remote configuration, power and safety guidance, network and mining account setup, and full miner configuration to ensure your equipment is deployed correctly and operating efficiently. Ongoing remote support is also available to assist with optimisation and troubleshooting.

Select the option that best suits your level of experience and operational requirements.

We dispatch in-stock items promptly and typical delivery is within 5-10 working days. Larger or high-value ASIC miners may be shipped via insured courier or palletised freight to ensure secure delivery. Please note that delivery times are estimates and may vary depending on stock availability and supplier schedules.

For full details on processing times, pre-orders, international delivery and delivery requirements, please refer to our Shipping Policy.

If you are purchasing as a consumer, you may cancel your order within 14 days of delivery, provided the item is unused and in its original condition. Due to the technical nature of ASIC mining equipment, hardware that has been installed, powered on or configured may not be eligible for return unless faulty.

Faulty goods are handled in accordance with UK consumer law. Business purchases and wholesale orders are non-refundable unless confirmed defective.

For full details, including return conditions and procedures, please refer to our Returns & Refunds Policy.

All ASIC miners are supplied with the original manufacturer’s warranty, provided the unit remains unmodified and is operated in accordance with the manufacturer’s guidelines. Warranty terms, duration and claim procedures are determined by the manufacturer.

Speak to an expert before buying

Get free independent advice with no obligation to help you choose the right miner for your needs.

Speak to Shahzun

Model

Hash Rate

Power

Efficiency

Algorithm

Antminer L11

20GH/s

3680W

184J/G

Scrypt

The Antminer L11 20G is part of Bitmain’s L11 series of Scrypt algorithm miners, aimed at optimizing Litecoin and Dogecoin mining efficiency. Officially announced in October 2025, the L11 series represents Bitmain’s mid-generation refresh following the earlier L9 and L11 Pro lines. It typically delivers around 20 GH/s of Scrypt hashing performance while drawing approximately 3,500–3,800 W of power under normal operating conditions.

Bitmain has positioned the L11 20G as a mid-tier Scrypt miner that fits between lower-hashrate models and the higher-end L11 Pro/Hydro variants. Its air-cooled architecture makes it accessible for miners without specialised cooling infrastructure, and it is supported by standard Bitmain firmware and pool connectivity.

Bitmain is one of the world’s leading manufacturers of ASIC cryptocurrency mining hardware. Founded in 2013 and headquartered in Beijing, Bitmain has driven much of the industrialisation of Bitcoin and altcoin mining hardware through its Antminer series.

With decades of ASIC design experience, Bitmain produces both SHA-256 (Bitcoin) and Scrypt (Litecoin) miners. The L11 series reflects Bitmain’s ongoing investment in refining chip efficiency and thermal management, particularly for retail and mid-tier mining operators. Bitmain devices benefit from a broad ecosystem of firmware support, established pool compatibility, and widespread spares availability.

The Antminer L11 20G typically operates in the 170–180 J/GH range, which is a common efficiency class for modern air-cooled Scrypt miners. For the 20 GH/s unit, this translates to power consumption in the 3,400–3,800 W range depending on environment, airflow, and firmware.

Efficiency for Scrypt mining is expressed in joules per gigahash (J/GH), reflecting how much energy the miner uses to perform hashing work. Lower numbers indicate better efficiency; the L11’s efficiency makes it competitive with earlier L11 Pro units in the mid-range efficiency space, though it is less efficient than specialised hydro-cooled Scrypt miners.

The Antminer L11 20G runs the Scrypt algorithm, which is the proof-of-work algorithm used by Litecoin (LTC) and many other altcoins such as Dogecoin (DOGE) via merge mining. Scrypt optimises memory hardness to reduce the dominance of SHA-256-style ASICs, and dedicated Scrypt ASICs like the L11 are required to compete effectively on these networks.

Miners using Scrypt typically point their devices at mining pools that support LTC and merge-mined coins like DOGE. With Bitmain’s firmware support and popular pool integrations, the L11 20G can be configured for a variety of Scrypt-based coins.

ASIC miners like the Antminer L11 20G are typically designed for continuous 24/7 operation and can remain productive for 3–5 years in a home-mining environment when kept properly cooled and maintained. Lifespan depends on factors such as ambient temperature, ventilation, dust accumulation, and power quality.

As mining hardware advances, later-generation machines with better efficiency may affect long-term competitiveness. The L11 20G sits in a mid-efficiency Scrypt class currently viable for owners with moderate power costs and clean operating conditions.

More ASIC Miners

Frequently asked questions

We accept major debit and credit cards, bank transfer and selected digital payment methods where indicated at checkout. All payments must be received and cleared before goods are dispatched unless otherwise agreed in writing.

For certain orders, we offer a deposit option:

10% deposit for miners valued over £2,000
20% deposit for miners valued under £2,000

The remaining balance must be paid before dispatch. Deposit arrangements are subject to approval and confirmed stock allocation.

All miners are supplied with the original manufacturer’s warranty, provided the unit remains unmodified and is operated in accordance with manufacturer guidelines. Warranty terms and claim processes are determined by the manufacturer.

Yes. We offer an optional Setup & Support package that includes remote installation guidance, power and safety advice, network and mining account setup, and full miner configuration. Ongoing remote support is also available.

Yes. ASIC miners require appropriate electrical capacity and ventilation. We provide guidance on power supply, load considerations and safe operation, but customers remain responsible for ensuring their installation complies with local regulations.

Delivery times vary depending on stock status and location. Estimated timeframes are provided on product pages and at checkout. Pre-orders are subject to manufacturer schedules.

Yes. We support both new purchases and existing operations. Our team can assist with troubleshooting, optimisation, firmware configuration and scaling advice.

No. Mining profitability depends on factors outside our control, including Bitcoin price, network difficulty, power costs and regulatory conditions. We provide hardware and technical support, but returns cannot be guaranteed.

Yes. We supply individual operators and commercial-scale buyers. Please contact us directly to discuss wholesale availability and trade pricing.