Bitmain Antminer S21 XP Immersion 300 TH/s – Bitcoin ASIC miner

Key information about Bitmain Antminer S21 XP Immersion 300 TH/s

Bitmain Antminer S21 XP Immersion 300 TH/s is a cutting-edge oil-cooled ASIC miner designed for efficient Bitcoin mining on the SHA-256 algorithm. This model delivers a hashrate of 300 TH/s with power consumption of about 4050 W, resulting in an energy efficiency of roughly 13.5 J/TH in real-world conditions. Such performance puts the S21 XP Immersion 300 TH/s among the most efficient immersion-ready BTC miners and makes it highly attractive for professional operations that want to maximize hashrate per kilowatt while benefiting from liquid cooling.

The miner is engineered specifically for full immersion in dielectric oil, which provides excellent thermal stability and protects components from dust and moisture. When operated in a properly designed immersion tank with circulation and heat removal, chip temperatures remain stable even under sustained 24/7 load. This design eliminates onboard high-speed fans, greatly reducing noise at miner level and shifting most of the sound to pumps and external cooling equipment. Antminer S21 XP Immersion 300 TH/s is ideal for high-density mining containers and industrial sites that already use or plan to deploy immersion cooling systems.

Specifications

• Model: Bitmain Antminer S21 XP Immersion 300 TH/s
• Hashrate: 300 TH/s (SHA-256)
• Algorithm: SHA-256 (Bitcoin, Bitcoin Cash and other SHA-256-based coins)
• Power Consumption: approximately 4050 W at the wall
• Energy Efficiency: approximately 13.5 J/TH in typical immersion conditions
• Cooling Type: immersion oil cooling (designed for operation fully submerged in dielectric fluid)
• Input Voltage: 3‑phase industrial AC input, typically 380–415 V, 50–60 Hz
• Noise Level: around 50 dB at miner level in immersion setups (no high-speed fans)
• Release Date: around Q4 2024 for the first production batches
• Dimensions: approximately 400 × 195 × 290 mm (S21 XP Immersion chassis)
• Weight: about 14.4 kg net, depending on configuration
• Network Connection: Ethernet 10/100M (RJ-45)
• Operating Temperature: recommended oil inlet temperature roughly 20–50 °C, ambient around 5–45 °C with non-condensing humidity
• Typical Use Case: professional BTC mining farms, immersion containers, noise-sensitive sites and industrial projects with heat-recovery potential

Profitability and ROI of Bitmain Antminer S21 XP Immersion 300 TH/s

The profitability of the Bitmain Antminer S21 XP Immersion 300 TH/s is defined by its 300 TH/s hashrate and solid energy efficiency of about 13.5 J/TH, along with external factors such as Bitcoin price, network difficulty, pool fees and your electricity cost. To estimate potential income, you can use ASIC mining profitability calculators, entering 300 TH/s and a power draw around 4050 W for your real operating conditions, including power price and pool commission. This will show expected daily and monthly revenue and help you compare the S21 XP Immersion 300 TH/s with other miners in terms of net profit, cost per terahash and payback period.

The basic ROI formula is straightforward: payback period equals miner price divided by the difference between monthly mining income and monthly electricity bill. Because of its efficient power usage and immersion-ready design, the S21 XP Immersion 300 TH/s can offer strong economics in sites where immersion infrastructure is already available or planned, especially at industrial electricity tariffs. At the same time, Bitcoin price and network difficulty change over time, so profitability should be checked regularly. Professional operators often model several scenarios over 12–36 months with different BTC prices, difficulty growth rates and energy costs to understand long-term performance.

Advantages of Bitmain Antminer S21 XP Immersion 300 TH/s

High efficiency in immersion – with about 13.5 J/TH and 300 TH/s, the Bitmain Antminer S21 XP Immersion 300 TH/s offers a very competitive combination of hashrate and power consumption, especially when operated in optimized immersion tanks. Immersion-ready design – the hardware is built specifically for oil cooling, which improves thermal management, extends component life, eliminates fan failures and significantly reduces dust-related issues. Reduced noise – without high-speed fans, the miner itself is much quieter, making it suitable for high-density installations in locations where air-cooled ASIC noise would be problematic.

Another important advantage is improved reliability and maintenance in immersion environments. Uniform cooling of all components reduces thermal cycling and hotspots, which can decrease failure rates and extend the practical lifetime of the miner. In addition, immersion systems often make it easier to manage very dense deployments, since air distribution and hot aisle design are no longer constraints. For operators who already use immersion for S19 or S21 series hardware, adding S21 XP Immersion 300 TH/s units allows them to increase hashrate within the same rack and tank footprint.

Potential drawbacks and what to consider

Immersion infrastructure required – Bitmain Antminer S21 XP Immersion 300 TH/s is designed to be operated in dielectric fluid, so it is not a plug-and-play air-cooled device for beginners. It requires suitable immersion tanks, pumps, plumbing, heat exchangers, monitoring of oil quality and regular maintenance of the cooling loop. Setting up such infrastructure involves higher upfront investment compared to basic air-cooled racks, and mistakes in system design, such as poor flow, insufficient cooling or contamination, can reduce performance or damage equipment.

Higher entry threshold – as a modern immersion-optimized miner with strong efficiency, the S21 XP Immersion 300 TH/s usually comes at a higher purchase price than many older or air-cooled models. Profitability remains sensitive to electricity price, Bitcoin market cycles and network difficulty, so investors should plan with a medium- to long-term horizon and be prepared for periods of lower income. The miner realizes its full potential mainly in projects with competitive power and properly engineered immersion systems, where its efficiency, density and lower maintenance needs can be fully leveraged.

Who is Bitmain Antminer S21 XP Immersion 300 TH/s suitable for?

Bitmain Antminer S21 XP Immersion 300 TH/s is best suited for professional mining farms, hosting providers and industrial projects that already operate or plan to deploy immersion cooling infrastructure. It is an excellent choice for high-density mining containers, industrial sites and data-center-style facilities where noise must be minimized, air distribution is constrained or operating conditions are challenging for traditional air-cooled miners. In such setups, the S21 XP Immersion 300 TH/s can deliver high hashrate per tank and rack footprint while benefiting from stable temperatures and reduced mechanical wear.

The model is also attractive for experienced miners transitioning from air-cooled S19 or S21 series devices to immersion solutions to improve efficiency, reduce noise and increase equipment longevity. For hosting providers specializing in immersion, offering S21 XP Immersion 300 TH/s units can help differentiate services and attract clients looking for latest-generation, immersion-ready hardware. In all cases, successful deployment requires careful planning of electrical and cooling systems, realistic profitability calculations and proper operation of the immersion environment.

How to buy Bitmain Antminer S21 XP Immersion 300 TH/s from us

Buying Bitmain Antminer S21 XP Immersion 300 TH/s in our shop is straightforward. First, check the current price and availability on this product page and review the key specifications, including hashrate, power consumption, cooling type and infrastructure requirements. If you need help selecting the right number of units, designing your immersion tanks or evaluating profitability for your electricity rate and planned deployment, contact our support team and we will prepare an individual calculation for your project.

After you confirm the configuration, add the Antminer S21 XP Immersion 300 TH/s to your cart and proceed to checkout. We support secure payment methods, including bank transfer and cryptocurrency, and for bulk orders we can reserve miners after receiving a deposit according to current terms. Once payment is confirmed, we carefully pack the devices and arrange tracked delivery so you can follow the shipment status. Our team can also provide basic guidance on integrating the miners into your immersion setup, connecting them to mining pools and monitoring performance, helping you start mining as quickly and smoothly as possible.

Bitmain Antminer S21 XP Immersion 300 TH/s Video Review

To increase user engagement on the product page, you can embed a video review of the Bitmain Antminer S21 XP Immersion 300 TH/s showing real hashrate, power draw, oil temperatures and stability under load in a working immersion tank. A practical video overview helps potential buyers understand how immersion installation looks in practice, how quiet the system is and what to expect during setup, filling, daily operation and maintenance.