MSI MAG B660M BAZOOKA DDR4 LGA 1700 SATA 6Gb/s mATX Gaming Motherboard

Core Boost Technology
With premium layout design, that is ready for unleashing the maximum performance.

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

Digital PWM
Highest quality component digital power IC makes sure your system runs smoothly under the most extreme conditions.

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

MAG B660M bazooka DDR4 - premium thermal solution

Extended Heatsink
MSI extended 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.

Heatsinks with 7W/mK Thermal Pad
7W/mK thermal pad provides better heat transfer to the heatsink.

MAG B660M bazooka DDR4 - High-Speed Transmission

2.5G Network Solution
Featuring premium 2.5G LAN with LAN manager delivers better network 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 latest Gen 4 PCE-E and M.2 solution with up to 64GB/s banwidth for maximum transfer speed.

Premium Hardware Design
With years of experience, MSI is no stranger to building high-performance motherboards. Our R&D and engineering teams have reviewed countless designs, evaluated a wide selection of high quality components, and developed products for reliability even under extreme conditions.

Cooling

Extended Heatsink Design

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 and enhanced circuit design ensures even high-end Intel CPU 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.

Fully Fan Control

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.

Frozr AI Cooling
Detecting CPU & GPU temperatures and automatically adjusting fan duty of system fans to a proper value by adopting MSI AI ENGINE.

Pump Fan Ready

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 supports up to 3 amp, giving you full control of the water pump speed. A clearly marked 'keep-out-zone' allows for easy and safe installation and a perfect fit.

Power Solution

Structure

12 + 1 + 1 Duet Rail Power System
Unleash and sustain maximum performance with an aggressive VRM design built with digital CPU power system. Combining 8 + 4-pin power connectors and exclusive Core Boost technology, MAG series motherboard is ready to sustain heavy gaming loadings.

Core Boost
Core Boost technology combines MSI's premium layout and digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. This creates the perfect conditions for multi-core CPU while high-loading operation.

Game Boost

1-Second Overclocking!
MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.

More for Performance

Load-Line Calibration
What you set, is what you get. LLC makes sure your CPU voltage remains 100% stable under any load. This greatly improves stability when demanding more CPU performance.

Overvoltage Protection
Prevents potential short-circuit damage to the CPU and other critical components.

Digital Power Design
A fully digital power design allows for faster and undistorted current delivery to the CPU at pin-point precision. Creating the perfect conditions for CPU overclocking.

Double Power Connectors
8+4 pin connectors deliver adequate power even for an overclocked multi-core CPU

DIY Friendly

Pre-Installed IO Shield
Featuring the pre-installed IO shield, makes your installation process easier and safer. The patent-pending design protect your IO ports and also prevent electrostatic discharge damage, makes your motherboard a strong gaming foundation.

Keep Out Zone

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

Ptotection

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
• 2oz Thickened Copper

Steel Armor

Fortify Your System with PCI-E Steel Armor
MSI PCI Express Steel Armor slot is secured to the motherboard with extra solder points and supports the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.

Double ESD Protection

Ultimate Motherboard Protection
Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.

Certification

Windows 11 Certified
With MSI you benefit from great compatibility and a worry-free user experience when using Microsoft Windows 11. With a true dedication to performance, our R&D team has made sure everything works as intended when using the latest version of Microsoft Windows on any MSI product.

Enhanced Performance
High performance MSI motherboards are loaded with advanced features and the latest technology to overwhelm any challenge at hand no matter whether you're a gamer, prosumer, or PC enthusiast.

Lightning Speed

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

Fast and Future-Ready Storage
MSI B660 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.

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.

Memory

Memory Boost

Extreme Stability & Compatibility Testing
MSI conducts thorough memory testing with the most popular memory brands under extreme conditions to ensure your system runs stable no matter what. Our memory partners include brands like Corsair, Crucial, Kingston, G.Skill and many more to optimize memory modules, configurations and even improve overclocking.

Enhancement

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.

XMP

Easy Overclocking with XMP Profile
The XMP (Extreme Memory Profiles) in MSI BIOS are tested and certified by MSI OC LAB. It is easy to enable with auto power settings to get the best memory speed and stability.

BIOS & Software

MSI Centre
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.

Click Bios 5
Get more from a loaded BIOS designed for ease of use. Fine-tune the motherboard for gaming performance, efficiency, or overclocking world records!

XMP
Choose from a preset XMP profile and automatically overclock compatible DDR memory.

VMD (Volume Management Device)
Enable direct control and management of NVMe SSDs from the PCIe bus without additional hardware adapters.

M-Flash
Conveniently flash or upgrade the BIOS in a few minutes from the CMOS Setup Utility.

Hardware Monitor
Get immediate access to your critical hardware information in real-time including temperature, memory capacity, clock speed, and voltage.