MSI MAG B660M Bazooka DDR4 Motherboard

The MSI MAG B660M Bazooka DDR4 Motherboard supports Intel LGA 1700 for 12th Gen Core, Pentium Gold and Celeron processors, features a 6-layer 2oz thickened copper PCB, up to 4 x DDR4 memory slots, PCI-E 4.0, 3.0 compatible expansion slots, 2 x M.2 slots, 4 x SATA ports (6Gb/s), 6 x rear USB ports, 4 x front panel header USB headers, Realtek 8125BG 2.5G LAN, Realtek ALC897 HD audio codec and a micro-ATX motherboard form factor.

Warning: This product contains a button battery - If swallowed, a lithium battery can cause severe or fatal injuries with 2 hours. - Keep batteries out of reach of children. - If you think batteries may have been swallowed or placed inside any of the body, seek immediate medical attention.

Features

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Overview

• Supports 12th Gen Intel® Core™, Pentium® Gold and Celeron® processors for LGA 1700 socket
• Supports DDR4 Memory, up to 4800+(OC) MHz
• Premium Thermal Solution: Extended Heatsink Design and M.2 Shield Frozr are built for high performance system and non-stop works
• Latest Network Solution: Onboard 2.5G LAN plus Gigabit LAN with LAN Manager deliver the best online experience without lag
• Lightning M.2: Running at PCIe Gen 4 maximizes performance for NVMe based SSDs
• Audio Boost: Reward your ears with studio grade sound quality
• Multi-GPU: With Steel armour PCIe slots. Supports AMD Crossfire™

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.

With MSI M.2 Shield Frozr

• Prevents throttling
• Maximizes drive performance
• Higher maximum SSD speeds

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.
  GAMING(8+4)
• 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

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.

EZ M.2 Clip

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

Protection

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

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

Certified for Gaming

MSI motherboards has been built and tweaked for hardcore gaming. Feedback from the world’s best esports players and rigorous testing sessions with demanding PC games has resulted in a motherboard that’s both powerful and reliable.

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

GEN 4 PCI-E AND M.2

• 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 unidirectional 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 armour design, you can enjoy next-gen devices without any compromise.
• 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.

Storage Overview

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 Centre unifies a suite of MSI software utilities into a single centralized application. Take control of advanced motherboards features and unleash endless possibilities.

• Mystic Light
  Create your own colourful masterpiece with ease. Splash any colour you want with just a few clicks!
• True Colour
  Optimized monitor’s brightness and colour in several modes for different situation, you can also customize by yourself.
• 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.
• Profile Setting
  Tune select motherboard settings in the OC Setting menu, where options to boost core performance and optimize system cooling are presented in an intuitive interface.
• Fan Centre
  Assume complete control of your fans with Fan Centre. Set up to four CPU temperature targets and the motherboard will adjust fan speeds automatically.
• LAN Manager
  Elevate latency-sensitive for dedicated online games and restrict the bandwidth to non-essential programs for uninterrupted online gaming.
• System Diagnosis
  Restore and backup your MSI storage devices in one click to provide stable system usage, you can even monitor the storage status to prevent system crash or data missing.

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 adaptors.
• 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.
• Memory Try It
  Get extreme speed out of your system memory and get more performance.
• Search & Favourites
  A permanent search & favourite option in the top right corner moves you through the BIOS menus quickly.

Resizable BAR (Re-Size BAR)

Resizable BAR (Re-Size BAR) is an advanced PCI Express feature that enables the CPU to access the entire GPU frame buffer at once and improve performance.

Connectivity

MSI motherboards are built with a variety of connectors to satisfy gamers. Enhanced audio, advanced LAN networking capabilities, USB and Mystic Light turn any gaming experience into an immerse one.

Networking

2.5G 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

Lan Manager - Optimize Online Gaming Traffic for Lower Latency

MSI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.

MSI Lan Manager

• Automatically prioritizes games above other applications
• Allows you to change applications' traffic priority
• Allows you to customize bandwidth for each application

Audio Boost

• 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.
• High Quality Audio Jacks
  Keep your sound perfect by transmit your audio with pure digital signal.

Isolated Audio Signal

• 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.

De-Pop Protection

Audio Boost protects your ears by eliminating those annoying loud popping sounds when you plug/unplug devices or turn your PC on/off.

USB

USB Front Type-C

MSI gaming 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.

Mystic Light

Synchronize with Ease - Extend Your RGB Experience With Ease

Mystic Light Extension

Add more colour 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.

Ambient Devices Support

Wireless devices are also controllable by using MSI Centre. Ambient Link perfectly synchronizes MSI Mystic Light products with on-screen gaming and scenarios, as well as the compatible lighting accessories. Bringing you the most immersive and realistic experience.