MSI PRO B660-A DDR4 LGA 1700 SATA 6Gb/s ATX Motherboard

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.

Exclusive Feature

Core Boost Technology
Combining 1 x 8 + 1 x 4 pin power connectors and premium layout design, that is ready for unleashing the maximum performance.

6 layer PCB with 2oz Thickened Copper
6 layer PCB with 2oz thickened copper provides higher performance and long-lasting system stability without any compromise.

Digital PWM
12 Duet Rail CPU Power System with high quality digital power IC design for multi-core CPU.

PCI-E Steel Armor
Protecting VGA cards against bending and EMI for better performance, stability and strength.

Premium Thermal Solution

Extended Heatsink
MSI extended PWM heatsink and enhanced circuit design ensures even high-end processors to run in full speed.

M.2 Shield Frozr
Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.

Pump Fan Support
Control watercooling pump speeds for best flow and noise control.

High-Speed Transmission

2.5G Network Solution
Featuring premium 2.5G LAN with LAN manager delivers better network experience.

Turbo USB 3.2 Gen 2
Featuring the Turbo USB 3.2 Gen 2, with reversible Type-C connector.

Memory Boost
The fully isolated DDR circuit to deliver pure data signals for the best gaming and overclocking performance.

Lightning Gen 4 Solution
The latest 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.

Cooling

Thermal Solution for More Cores and Higher Performance
With more cores' processors, thermal and power design is more important to make sure the temperature keeps lower. MSI extended PWM heatsink with 7W/mK thermal pad ensures even high-end processors to run in full speed with MSI motherboards.

M.2 Shield FROZR
World's fastest SSDs can start to lower performance when getting hot. Part of the motherboards heatsink design, M.2 SHIELD FROZR is the next generation M.2 thermal solution to avoid this by offering the best thermal protection to make sure that SSD maintains maximum performance.

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.

Optimized for Water Cooling
Designed to support the most popular All-In-One & customized water cooling solutions on the market, a dedicated water pump PIN header gives you full control of the water pump speed. A clearly marked 'keep-out-zone' allows for easy and safe installation and a perfect fit.

Design

EZ M.2 Clip
Have trouble turning screws? MSI innovative EZ M.2 clip assist you install an M.2 SSD quickly and effortlessly.

EZ Debug LED
Ran into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get it up and running again.

Keep Out Zone
MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean, preventing any component contact or damage to the motherboard.

Avoid Collision Notification
Protective paint is printed around each screw hole to prevent parts from being scratched.

Compatibility
• 12th Processors Support
• Extreme Stability & Compatibility Testing for Memory
• Windows 11 Certified

Reliable Components

PCB Design
The PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.

• 6 PCB layers
• 2 oz Thickened Copper

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.

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.

LAN

High-Bandwidth and Low-Latency Network
2.5Gbps LAN provides incredible data transfer speed faster than general Gigabit LAN. This is a premium solution for demanding users.

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

Lightning Gen 4

Fast and Future-Ready Storage
MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.

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.

Lightning Gen 4 M.2
Utilizing 12th Gen Intel Core processors, MSI PRO B660-A DDR4 motherboard features latest Lightning Gen 4 M.2 which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed.

Optane: Boost Your HDD to Perform Like An SSD
PC Enthusiasts can now enjoy the performance of an SSD on their HDD by coupling it with the new Intel Optane Memory device. Intel Optane technology provides an unparalleled combination of high throughput, low latency, high quality of service, and high endurance.

USB

Maximize Your USB Device Performance
Read and write your files over USB faster than ever. MSI PRO series motherboards offer a wide variety of options to connect and boost your USB devices, delivering 10Gbps transferring speed by both USB 3.2 Gen 2 Type-A and Type-C.

USB Front Type-C
MSI motherboards support USB Front Type-C that allows gamers to connect with the latest USB devices. Built up a system with MSI PC case to have the most convenient experience.

Other Expansion

Extend Your RGB Experience With Ease
Add more color if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller.

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

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 Z690 . 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

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 audio with pure digital signal.