Review of M63S++

1. Introduction 

 At the Bitcoin MENA 2024 conference, MicroBT unveiled the new generation WhatsMiner M6XS++ series, highlighting its commitment to innovation and sustainability in the Bitcoin mining sector. This launch signifies the company's dedication to advancing green mining practices, combining high performance with low energy consumption. The M6XS++ series aims to enhance mining efficiency while minimizing environmental impact. This product release further solidifies MicroBT's leadership in the global mining hardware market, providing miners with more advanced and sustainable mining solutions.   

 As a strategic partner in Heat Core, MicroBT has provided Heat Core with early access to the M63S++. In this article, we will conduct an in-depth evaluation of the M63S++.     

2. Appearance 

a. Package                                                                                                    

(a). Outside Package
The delivery packaging for the WhatsMiner M63S++ is thoughtfully designed to be compact and functional. The external packaging dimensions measure 800mm x 580mm x 170mm, with a total weight of 32 kg inclusive of packaging materials. 

Dimension of Delivery Package

(b). Inside Package
Within the package, the miner is carefully enveloped in white foam, offering thorough protection throughout the transit and delivery process.

                                                       Image of inside package No.1

                                                                   Image of inside package No.2

b. Overview of the miner                                                                               
The visual aesthetics of the WhatsMiner M63S++ are identical to that of any previous Whatsminer hydro generations. The miner measures 663mm x 483mm x 86mm with a handle and has a net weight of 29.5kg.

Overview of the M63S++

Side View of the M63S++

Top-down View of the M63S++

                                                        Detail Image of Internet Connector

                                                                Detail Image of Hot Water Outlet/Inlet

The labels on the miner are shown below:

3.Factory Specifications                                                                                 The WhatsMiner M63S++ boasts an impressive hash rate of 434~478TH/s, coupled with an efficiency rating of 15.5J/TH. This represents a 10% increase in efficiency compared to its predecessor, the M63S+.

Note: The data in this evaluation reflects only the performance of the specific machine used for testing. Subsequent machines delivered in bulk may differ in performance.

4.Testing Environment and Procedure

                The view inside the container(Rack’s front view)          The view inside the container(Cabinet back view)

a. Introduction of the Testing Environment                                                       
This time we are testing the M63S++ in one of our mining sites in the Middle East, and the hydro-cooling system we used for testing is XS1000. The system is a customized design for high-temperature operation in the Middle East, it supports full overclocking at 47°C(Ambient Temperature) and ZERO water consumption.

                                                                                                       Specification of the XS1000

Specification of the DC1000

The Container’s Nameplate

Dry Cooler’s Nameplate

b.Testing Procedure                                                                                          
We will insert the miner in one of the fully operated hydro cooling containers.  Establish the baseline efficiency in J/TH using the normal mode. Test the efficiency in Low Power Mode and the overclocking capabilities in High-Performance Mode. Assess the stability of the miner in each mode for a minimum of 2 hours. Evaluate the long-term stability of the miner over a period of 7 days.

5.Test Result                                                                                                                         The testing result is shown below:

Testing data in Normal Mode(from WhatsMiner tool)

Testing data in High-performance Mode(from WhatsMiner tool)

  Testing data of Low Power Mode(from WhatsMiner tool)

The status of the hydro cooling system(from the local screen)

The status of the hydro cooling system(from the remote monitor web)

6. Profitability Analysis                                                                             

a. Profit Generation                                                                                                                               
Assuming the WhatsMiner M63S++'s specs hold up when the model begins hashing, and we used a standard electricity cost of $0.06/kWh. At the time of publication, the WhatsMiner M63S++ can earn roughly $20.00 per day in revenue under the current Bitcoin price of USD$100,000.                                                                                   
The performance of Bitcoin revenue and profit over the past three months, as determined by the Bitcoin price and utilization of the M63S++ model:

Bitcoin Price Data Resource: https://www.investing.com/crypto/bitcoin/historical-data

b. Breakeven Point                                                                                         
Additionally, we examine the profit in correlation with both the Bitcoin price and electricity cost. The figures highlighted in bold frame signify the breakeven price when utilizing the M63S++ model:

c. Payback Period                                                                                               
We have also computed the payback period to be approximately 1.2 years, assuming an electricity cost of $0.05/kWh and a Bitcoin price of $100,000. The total profit derived from mining is determined by a 5-year projection, with a yield of 0.45 Bitcoin.

7. Conclusion                                                                                 

a. Key Findings

1. WhatsMiner Hydro has consistent performance as previous generations. It not only stably operates at nominal specs, but also has a very wide range for overclocking and downclocking. It provides multi-choice for operating under different conditions and economic models. 
2. It can easily overclock from 484TH/s to 594TH/s(22% increase) just with a very slight efficiency reduction(from 15.5W/TH to 16.5W/TH).
3. The WhatsMiner Hydro has a higher power density, each miner operates up to 10kW. It is 3 times the air-cooled miner and 2 times the immersion miner, the hydro miners also have significantly less failure rate. It reduces a lot of O&M costs.
4. The hydro miner has its optimal operating temperature. If you can keep the in/out temperature stable at 50/60°C respectively, the best performance can be achieved. A good water cooling system plays a crucial role in maintaining stable cooling temperatures and ensuring optimal performance for hydro miners.

b. Recommendations                                                                                (a). Noise Issues                                                                                                                                                        Today, the noise issue in Bitcoin mining farms is often overlooked by investors. A quick search on Google reveals numerous reports of mining farms being shut down due to noise complaints, particularly those near residential areas.

In fact, hydro-cooling systems are quite effective at regulating noise levels, as most of the noise originates from the fans. Traditional air-cooled miners typically feature a fixed structure with loud fans and are limited by electrical infrastructure, often requiring centralized installation within a building. In contrast, hydro-cooling systems utilize water to transfer heat, allowing for a more flexible design of the heat dissipation process. This can include enlarging the dry cooler, optimizing the layout, and more.

At Heat Core, we place a strong emphasis on the impact of noise from mining machines and have a dedicated team of experts focused on noise management. If you're facing noise challenges in your mining farm, the Heat Core team can provide comprehensive solutions. The diagram below illustrates a case study of noise simulation from an actual mining farm.

The Noise Simulation schematic

(b). Hydro Cooling V.s. Immersion Cooling

Noise from 2 meters away of the dry cooler

As the competition for Hashrate intensifies, it is clear that liquid cooling is more efficient than air cooling. However, some clients remain uncertain about which cooling system to choose.

Environmental Impact: Air cooling generates significant noise, while immersion cooling presents pollution issues when handling cooling oil. In contrast, hydro-cooling utilizes pure water, making it easier to regulate noise levels effectively.

Capital Expenditure (CapEx): The investment required for immersion cooling systems is generally higher than for both air and hydro cooling. This is due to the higher viscosity of oil, which necessitates larger pumps and piping systems compared to hydro-cooling. Additionally, some suppliers implement dual-loop systems, adding to the complexity of the system.

Operational Expenditure (OpeEx): Contrary to expectations, immersion cooling does not significantly reduce maintenance and operational workload compared to air cooling. At similar scales, the number of miners remains the same, and the complex immersion cooling systems require specialized care. Furthermore, immersion systems often operate in dirty environments that are not conducive to employee welfare. On the other hand, hydro cooling systems provide a cleaner operational environment with fewer miners, leading to substantial reductions in operational costs.

  A typical hydro-cooling site, clean, warm and quiet