MSI PRO B660-A DDR4 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.
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.
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.
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.
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.
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 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.
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.
PRO B660-A DDR4
Supports 12th Gen Intel® Core™, Pentium® Gold and Celeron® processors for LGA 1700 socket
Supports DDR4 Memory, 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, MOSFET thermal pads rated for 7W/mk and M.2 Shield Frozr are built for high performance system and non-stop works
2.5G 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
CPU (MAX SUPPORT): i9
CHIPSET: Intel® B660 Chipset
DDR4 MEMORY: 4800(OC)/ 4600(OC)/ 4400(OC)/ 4266(OC)/ 4200(OC)/ 4000(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3200(OC)/ 3200(JEDEC)/ 2933(JEDEC)/ 2666(JEDEC)/ 2400(JEDEC)/ 2133(JEDEC) MHz
MEMORY CHANNEL: DUAL
DIMM SLOTS: 4
MAX MEMORY (GB): 128
PCI-E X16: 2
PCI-E X1: 3
M.2 SLOT: 2
TPM (HEADER): 1
LAN: 1x Realtek® RTL8125BG 2.5Gbps LAN controller
USB 3.2 PORTS (FRONT): 1(Gen 1, Type C), 2(Gen 1, Type A)
USB 3.2 PORTS (REAR): 1(Gen 2, Type C), 2(Gen 2, Type A)
USB 2.0 PORTS (FRONT): 2
USB 2.0 PORTS (REAR): 4
AUDIO PORTS (REAR): Realtek® ALC897 Codec
OPERATING SYSTEM: Support for Windows® 11 64-bit, Windows® 10 64-bit
FORM FACTOR: ATX