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.
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.
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.
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.
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.
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.
The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer.
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.
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.
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.
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.
SURFACING WITH THE REAL MU-MIMO TECHNOLOGY
The WIFI 6 adopts the latest OFDMA and two-way MU-MIMO technologies and could provide up to 4X network capacity and efficiency in the high signal density environment. Comparing to the WIFI 5, which can only send the data packet to one device at a time on each channel, the WIFI 6 could combine the packet, separate to several devices and allow signals from the different devices bundled together. This new technology provides all the devices in the same network environment with same and harmonious traffic bandwidth in an efficient way.
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.
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.
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 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 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.
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.
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.
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 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.
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.
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.
BIOS & SOFTWARE
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!
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.
All MSI PRO series motherboards have SECURITY function in BIOS to protect every private files for no matter business or daily use.
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.
Supports 12th Gen Intel Core, Pentium Gold and Celeron processors for LGA 1700 socket
Supports DDR4 Memory, up to 4800+(OC) MHz
Core Boost : With premium layout and digital power design to support more cores and provide better performance
Memory Boost: Advanced technology to deliver pure data signals for the best performance, stability and compatibility
Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr
Premium Thermal Solution: 7W/mK pad, additional choke thermal pad and M.2 Shield Frozr are built for high performance system and non-stop works
2.5G LAN with LAN Manager and Intel Wi-Fi 6 Solution: Upgraded network solution for professional and multimedia use. Delivers a secure, stable and fast network connection
Audio Boost: Reward your ears with studio grade sound quality
CPU Socket Socket 1700
CPU Brand Intel
Installed Processors (Max) 0 (1)
Supported Processor Manufacturer Intel
Supported Processors 12th Gen Intel Core Processors
64-bit Support Yes
Rear Panel I/O Ports
USB Ports 2 x USB 3.1
2 x USB 3.0
2 x USB 2.0
DisplayPorts 2 x DisplayPort 1.4
HDMI Port 2 x HDMI 2.1
eSATA Ports 4 x SATA III
Keyboard/Mouse Combo Port 1 x PS/2
RJ-45 Ports 1 x RJ-45
Audio Line In Ports 1 x 3.5mm Jack
Audio Line Out Ports 1 x 3.5mm Jack
Microphone In Port 1 x 3.5mm Jack
Antenna Connector(s) 2 x SMA Antenna
Internal I/O Connectors
USB Connectors 1 x USB-C 3.0 header (supports 1 port)
1 x USB 3.0 header (supports 2 ports)
2 x USB 2.0 headers (supports 4 ports)
Front Panel Connectors 1 x Front Panel
1 x Front Audio
Cooling Fan Support 1 x CPU fan header
1 x Water Pump fan header
2 x System fan headers
Thunderbolt Port(s) 1 x TBT header (supports RTD3)
Serial Connectors 1 x COM header
Chassis Intrusion Connector 1 x Chassis Intrusion header
TPM Header 1 x TPM header
Power Connector Port 1 x 24-pin ATX
1 x 8-pin EPS
1 x 4-pin EPS
Other Connectors 1 x M.2 slot, Key M, Type 2242/2260/2280 (PCIe Gen4)
1 x M.2 slot, Key M, Type 2242/2260/2280 (PCIe Gen4 or SATA)
2 x 3-pin ARGB LED headers
1 x 4-pin RGB LED header
Memory Bus Speed Up to 4800+ MHz
Memory Type DDR4
Maximum RAM 128 GB
Memory Slot 4 x DIMM
Chipset Manufacturer Intel
RAID Supported Yes
RAID Format RAID 0, 1, 5, 10
SATA Supported Yes
Number of PCI Express Slots 1 x PCI Express 4.0 x16 slot
1 x PCI Express 3.0 x16 slot (@ x4)
1 x PCI Express 3.0 x1 slot
Integrated Graphics Supported Yes
Integrated Sound Realtek ALC897
Warranty 3 Years
Integrated Network Realtek RTL8125BG
Network Speeds Supported Up to 2.5 Gbps
Wireless LAN Yes (Wi-Fi 6)
Wireless Network Speed Up to 2.4 Gbps
Bluetooth Version 5.2
Operating Systems Supported Microsoft Windows 11 / 10 64-bit
Jumpers 1 x Clear CMOS
Software Included (may be trial or restricted) Yes
SLi/Crossfire Features Supports AMD CrossFire Technology
Form Factor MicroATX Motherboard
In The Box MSI PRO B660M-A WIFI DDR4 Motherboard
Quick Installation Guide
2 x M.2 Screw / Standoff Sets
2 x SATA Cables
MSI Case Badge
Product Registration Card
Width 244 mm
Length 244 mm
USB 3.1 Support Yes
Internal USB3.0 Header Yes
M.2 Support Yes
On-board RGB Control MSI Mystic Sync
Memory Speed 4800 MHz
RGB Header Type 3-Pin ARGB
Addressable RGB Yes
Internal USB Type-C Header Yes
Power Requirement (auto) 60 W
Max Memory Speed Supported (Non-overclocked) 3200 MHz
Max Memory Speed Supported (overclocked) 4800 MHz
CPU Power Pins (female) 12
Total M.2 Slots 2
Maximum NVMe M.2 ports 2
Maximum SATA M.2 ports 1
SATA ports 4
USB2.0 headers 4
USB3.0 headers 2
Wireless Network Yes
Memory Channel Dual
On-board Audio Type 7.1
Number of SATA Ports 4 port(s)
Number of USB Ports 6 port(s)
SATA III Support Yes
USB 3.0 Support Yes
Multi GPU Support No
VGA Connection No
DVI Connection No
HDMI Connection Yes
DisplayPort Connection Yes
Motherboard Form Factor mATX
Motherboard Power Connectors 4 + 8-Pin
Motherboard Chipset Intel B660
Motherboard Model MSI PRO B660M-A WIFI DDR4