PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.
PRO B660M-E DDR4
BUSINESS ELEGANCE
Core Boost
With premium layout and digital power design to support more cores and provide better performance.
Audio Boost
Reward your ears with studio grade sound quality for the most immersive gaming experience.
Memory Boost
The fully isolated DDR circuit to deliver pure data signals for the best gaming and overclocking performance.
Lightning Gen 4 Solution
The Gen 4 PCI-E solution with up to 64GB/s bandwidth for maximum transfer speed.
USER FRIENDLY DESIGN
MSI motherboards feature tons of convenient and smart design for DIY users, countless system tuning and troubleshooting tools are at your disposal to push your system to new heights and satisfy even the most demanding tweaker. Makes it so easy to install your own motherboard without any issue.
FROZR AI COOLING
Detecting CPU & GPU temperatures and automatically adjusting fan duty of system fans to a proper value by adopting MSI AI ENGINE.
FULLY CONTROLLABLE IN BIOS AND SOFTWARE
MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically.
AUTODETECT DC OR PWM MODE WITH HYSTERESIS
MSI fan headers automatically detect fans running in DC or PWM mode for optimal tuning of fan speeds and silence. Hysteresis also makes your fans spin up fluently to make sure your system stays silent, no matter what.
MSI:
Smooth fan speeds
Smooth sound levels
OTHERS:
Spiking fan speeds
Annoying sound levels
RELIABLE COMPONENTS
FORTIFY YOUR SYSTEM WITH PCI-E STEEL ARMOR
MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.
NO STRENGTHENING
REINFORCED, HEAVY
SOLDERED CONNECTIONS
ULTIMATE MOTHERBOARD PROTECTION
Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.
CONNECTIVITY
The most important thing of DIY is expandability. MSI PRO series motherboards feature plenty possibility for prosumers’ need. Stable LAN, faster storage and USB transfer speed and other expandable connectors are ready to enlarge your flexibility.
OPTIMIZE NETWORK FOR LOWER LATENCY!
MSI LAN Manager automatically classifies and prioritizes the latency-sensitive applications, giving you the best online experience with low latency.
MSI LAN MANAGER
– Allows you to change applications’ traffic priority –
– Allows you to customize bandwidth for each application –
LOW LATENCY GAMING LAN POWERED BY INTEL®
Stay connected with Intel® LAN, optimized for stable internet throughput ideal for championship level online plays.
INTELLIGENT NETWORKING
32 Gbps
6 Gbps 
EXPERIENCE MORE
MSI PRO series motherboards are designed to satisfy any professional workflow. Elevate your listening pleasure and enjoy extreme sound quality. Moreover, with years of experience in creating performance enhancing tools that are easy to use, only the highest quality applications are at your disposal. The extensive features let you fine-tune your system to deliver reliable maximum performance.
PERFORMANCE
LIGHTNING GEN 4 PCI-E
MSI lightning Gen 4 PCI-E is the latest and the fastest PCI-E data transfer solution with 64GB/s of transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications. Optimized by steel armor design, your motherboards can support the weight of heavy graphics cards.
A HUGE STEP OF DDR PERFORMANCE
MSI OC LAB does not merely work hard on extreme overclocking. The XMP memory profile has great improvement on performance and efficiency for B660 . Easy to enable XMP profile with auto power settings to get the best memory speed and stability.
CORE BOOST
Core Boost technology combines MSI’s premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.
AUDIO
ISOLATED AUDIO DESIGN
Like a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated.
SEPARATED AUDIO LAYERS FOR CLEAN LEFT & RIGHT CHANNELS
Using separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels.
DEDICATED HIGH DEFINITION AUDIO PROCESSOR
Make sure you enjoy the purest sound quality in both stereo and surround sound.
HIGH QUALITY AUDIO CAPACITORS
A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.
HD AUDIO CONNECTORS
Keep you sound perfect by transmit your aduio with pure digital signal.
Audio Boost protects your ears by eliminating those annoying loud popping sounds when you plug/unplug devices or turn your PC on/off.
BIOS & SOFTWARE
MSI CENTER
MSI brand new MSI Center unifies a suite of MSI software utilities into a single centralized application. Take control of advanced motherboards features and unleash endless possibilities.
True Color
Optimized monitor’s brightness and color in several modes for different situation, you can also customize by yourself.
Live Update
Never miss out on important updates. MSI Live Update automatically downloads and installs the latest drivers, BIOS and software so you can focus on your work.
User Scenario
One click for setting your computer, even customize own profile as your preference.
Hardware Monitoring
Get immediate access to your critical hardware information in real-time.
Fan Center
Assume complete control of your fans with Fan Center. Set up to four CPU temperature targets and the motherboard will adjust fan speeds automatically.
Product Registration
Register your MSI product to enjoy a host of benefits!
A HUGE STEP OF DDR PERFORMANCE
MSI OC LAB does not merely work hard on extreme overclocking. The XMP memory profile has great improvement on performance and efficiency for B660 . Easy to enable XMP profile with auto power settings to get the best memory speed and stability.
CORE BOOST
Core Boost technology combines MSI’s premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.
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