MSI PRO B660-A DDR4 w/ DDR4-3200, 7.1 Audio, Dual M.2, 2.5G LAN, AMD CrossFire

MX00119937 PRO B660-A DDR4 w/ DDR4-3200, 7.1 Audio, Dual M.2, 2.5G LAN, AMD CrossFire
MX00119937 PRO B660-A DDR4 w/ DDR4-3200, 7.1 Audio, Dual M.2, 2.5G LAN, AMD CrossFire MX00119937 PRO B660-A DDR4 w/ DDR4-3200, 7.1 Audio, Dual M.2, 2.5G LAN, AMD CrossFire MX00119937 PRO B660-A DDR4 w/ DDR4-3200, 7.1 Audio, Dual M.2, 2.5G LAN, AMD CrossFire MX00119937 PRO B660-A DDR4 w/ DDR4-3200, 7.1 Audio, Dual M.2, 2.5G LAN, AMD CrossFire

Product Info

MSI's PRO B660M-A DDR4: PRO Series Works Smarter

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  • Supports 12th Gen Intel® Core™, Pentium® Gold and Celeron® processors for LGA 1700 socket
  • DDR4 RAM: up to 4800+(OC) MHz
  • Lightning Fast Experience: PCIe 4.0 slots, Lightning Gen4 x4 M.2 with M.2 Shield Frozr
  • Premium Thermal Solution: Extended Heatsink Design, 7W/mk MOSFET thermal pads, M.2 Shield Frozr are built for high performance non-stop work
  • 2.5Gbe LAN: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection
  • Turbo USB 3.2 Gen 2: Powered by USB 3.2 Gen2 controller, Turbo USB ensures an uninterrupted connection with more stability and fastest USB speeds
  • High Quality PCB: 6-layer PCB made by 2oz thickened copper level material
  • Multi-GPU: With Steel armor PCI-E slots. Supports AMD Crossfire™
  • Audio Boost: Reward your ears with studio grade sound quality
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Features

USER FRIENDLY DESIGN

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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 in the correct Peformance, Silent and Manual Modes.

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.

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.

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
  • 2oz Thickened Copper Consruction

CONNECTIVITY

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The most important part of DIY design is expandibility. MSI Pro Motherboards feature plenty of options that Prosumers want and need; Stable LAN, Faster Storage, Faster USB transfers and expandable connectors that are ready to increase your limits.

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 application traffic priority
  • Allows you to customize bandwidth for each application

Lightning Gen 4

Fast 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 PCIe
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.

Lightning Gen 4 M.2
Utilizing 12th Gen Intel® Core™ processors, MSI B660 PRO 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 speeds.

Optane: Boost Your HDD to Perform Like a 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

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.

Internal and External RGB Support

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.

Ambient RGB Lighting Support
Control compatible external RGB lighting sources to extend your RGB color scheme to your entire room!

EXPERIENCE MORE

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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

Memory Boost & XMP
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

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
  • HD Audio Connectors
    Keep you 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.

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.

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!

  • CREATOR GENIE
    Quickly overclock your CPU with a single button for more performance
  • XMP
    Choose from a preset XMP profile and automatically overclock compatible DDR memory
  • 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 & FAVORITES
    A permanent search & favorite option in the top right corner moves you through the BIOS menus quickly

RESIZABLE 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.

Security

System Safety
All MSI PRO series motherboards have SECURITY function in BIOS to protect every private files for no matter business or daily use.

Secure Boot
Secure boot is a security standard to make sure that a device boots using only software that is trusted. When the PC starts, the firmware checks the signature of each piece of boot software, including UEFI firmware drivers, EFI applications, and the operating system. The PC boots while the signatures are valid.

Additional Information:

Visit the Manufacturer Web Page for Full Details

Download the Manufacturer Data Sheet

System Requirements

  • Windows® 11 / 10, 64-bit

I/O Panel

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Specifications

Make and Model MSI B660-A DDR4 mATX Motherboard
CPU Supports 12th Gen Intel® Core™ Processors
Supports processor socket LGA1700
See supported processors
   
Chipset Intel® B660 Chipset
Memory 4x DDR4 memory slots, support up to 128GB1

Stock Clocked RAM Support:

  • Supports 1R 2133/2666/3200 MHz (by JEDEC & POR)

Overclocked RAM Support:

  • 1DPC 1R Max speed up to 4800+ MHz
  • 1DPC 2R Max speed up to 4000+ MHz
  • 2DPC 1R Max speed up to 4000+ MHz
  • 2DPC 2R Max speed up to 3600+ MHz
Supports Dual-Channel mode
Supports non-ECC mode, un-buffered memory
Supports Intel® Extreme Memory Profile (XMP)
1. Please refer to www.msi.com for more information on compatible memory.
See supported memory
   
Expansion Slots 1x PCIe v4.0 x16 slot
1x PCIe v3.0 x16 slot
3x PCIe 3.0 x1 slots
1x M.2 slot with E-key for PCIe WiFi module only (M2_3)
Multi-GPU Support Supports AMD® CrossFire™ Technology
   
Onboard Graphics 1x VGA port, supports up to 2,048 x 1,536
1x HDMI v2.1 port, supports up to 3,840 x 2,160 @ 60Hz1,2 w/ HDR
1x DisplayPort v1.4 port, supports up to 3,840 x 2,160 @ 60Hz 1,2
   
Storage 4x SATA 6Gb/s ports

2x M.2 slots (Key M):
M2_1 slot: PCIe 4.0 x4 supports 2242/ 2260/ 2280/ 22110
M2_2 slot: PCIe 4.0 x4 / SATA III supports 2242/ 2260/ 2280
Supports Intel® Optane™ Memory
Supports Intel® Smart Response Technology for Intel Core™ processors

   
USB Internal USB Connector Support:
1x USB 3.2 Gen 1 (5Gbps) Connector supports 1x USB 3.2 Gen 1 Type-C port
1x USB 3.2 Gen 1 (5Gbps) Connector supports 2x USB 3.2 Gen 1 Type-A ports
1x USB 2.0 (480Mbps) Connector supports 2x USB 2.0 Type-A ports

External Rear Ports:
1X USB 3.2 Gen 1 (10Gbps) Type-C port
2X USB 3.2 Gen 2 (10Gbps) Type-A ports
4x USB 2.0 (480Mbps) Type-A ports

   
LAN 1x Intel® 8125BG 2.5Gbps RJ45 LAN port
Wireless Communication None
   
Audio Realtek® ALC897 Codec
7.1-Channel High Definition Audio
5x 3.5mm Audio jacks support 7.1 Audio Output and Mic In
   
Back Panel I/O 1x PS/2 Keyboard / Mouse Cobo port

1x DisplayPort v1.4 port (up to 3,840 x 2,160 @ 60Hz)
1x HDMI v2.0 port (up to 3,840 x 2,160 @ 60Hz)

1X USB 3.2 Gen 1 (10Gbps) Type-C port
2X USB 3.2 Gen 2 (10Gbps) Type-A ports
4x USB 2.0 (480Mbps) Type-A ports

1x 2.5Gbps RJ45 LAN port

5x 3.5mm Audio jacks support 7.1 Audio Output and Mic In
   
Internal I/O Connectors 1x USB 3.2 Gen 1 (5Gbps) Connector supports 1x USB 3.2 Gen 1 Type-C port
1x USB 3.2 Gen 1 (5Gbps) Connector supports 2x USB 3.2 Gen 1 Type-A ports
1x USB 2.0 (480Mbps) Connector supports 2x USB 2.0 Type-A ports

1x 24-pin ATX main power connector
1x 8+1x 4-pin ATX 12V power connectors
1x 4-pin CPU fan connector
1x 4-pin water-pump fan connector
5x 4-pin system fan connectors

1x Front panel audio connector

2x System panel connectors
1x Chassis Intrusion connector
1x TPM module connector
1x Tuning controller connector
1x TBT connector (Supports RTD3)

1x Clear CMOS jumper

1x 4-pin RGB LED connector
2x 3-pin RAINBOW LED connectors

4x EZ Debug LED
   
Operating System Windows® 11, 10 64-bit
   
BIOS TBA
Hardware Monitor CPU / System / Chipset Temperature Detection
CPU / System / Pump Fan Speed Detection
CPU / System / Pump Fan Speed Control
I/O Controller NUVOTON NCT6687-R Controller Chip
   
Form Factor ATX
   
Dimensions (LxW) 305 x 244mm
Weight N/A