MSI B450M MORTAR MAX
Military style with Extended heatsink design for better thermal solution, DDR4 Boost, Core Boost, Turbo M.2 and USB 3.2 Gen2 connector
  • Supports 1st, 2nd and 3rd Gen AMD Ryzen™ / Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics / Athlon™ with Radeon™ Vega Graphics Desktop Processors for Socket AM4
  • Supports DDR4 Memory, up to 4133(OC) MHz
  • Extended Heatsink Design: MSI extended PWM and enhanced circuit design ensures even high-end processors to run in full speed.
  • Lightning Fast Game experience: 1x TURBO M.2, AMD Turbo USB 3.2 GEN2, Store MI technology
  • Core Boost: With premium layout and fully digital power design to support more cores and provide better performance.
  • DDR4 Boost: Advanced technology to deliver pure data signals for the best gaming performance and stability
  • MULTI-GPU: With PCI-E STEEL ARMOR slot. Supports 2-Way AMD Crossfire™
  • Flash BIOS Button: Simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics card.
B450M MORTAR MAX
STRONGER THAN STEEL
1.Flash BIOS Button
2.PS/2 Combo Port
3.USB 3.2 Gen1
4.USB 3.2 Gen2 (Type A+C)
5.Golden audio jacks with S/PDIF
6.Arsenal Sticker Area
Free for customization with personal style
7.Extended Heatsinks Design
Leading heatsink design, extended for maximum cooling and performance
8.Heavy plated gaming heatsinks
Military style designed for maximum cooling
9.DDR4 Boost
Optimized traces and isolated memory circuitry
10.Turbo M.2
Delivering speeds up to 32 Gb/s using Gen3 x4
11.PCI-E Steel Armor
Protecting VGA cards against bending and EMI
12.Audio Boost
Optimized gaming audio using best compon

DIY FRIENDLY
MSI motherboards been designed with tons of smart features for convenient setup and usage, such as pin-header keep out zone, friendly SATA & USB location and multiple cooling solutions, so DIY users can pick and choose any gaming rig they want.
STAY COOL FOR ULTIMATE GAMING PERFORMANCE
Cooling your PC is essential for reliable performance. MSI motherboards feature excellent power design with solid and heavy heatsink. We've made sure to include enough fan headers with full control to allow you to cool your system any way you want.
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 CPU to run in full speed with MSI motherboards.
FULLY CONTROLLABLE FAN HEADERS
MSI motherboards let you manage speeds and temperatures for all your system and CPU fans, giving you full control to set up a cool & silent system. The fan headers are conveniently placed with the most popular CPU coolers in mind.
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.
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 and gaming rig without any issue.
KEEP OUT ZONE
Circuits have been routed away from the case standoff keep out zones to minimize the damage impacts of misplaced mounting pieces.
XL CLIP
An enlarged PCI-E clip makes it easier to remove and swap your PCI devices.
EZ DEBUG LED
Run into trouble? Onboard LEDs for key components indicate the source of the problem so you know exactly where to look to get up and running again.
MAXIMUM COMPATIBILITY
MAXIMUM COMPATIBILITY Every MSI motherboards are certified by strict mechanic that feature convenient pin-header keep out zone, friendly SATA & USB location for compatibility with the widest range of components and devices, so DIY user can pick and choose the components they want. More than that, we offer a dedicated Qualified Vendor List (QVL) for the most critical part - memory. Combining with MSI DDR4 Boost technology, we provide the maximum compatibility, so you confirm and choose any gaming rig as you want.

RYZEN PROCESSORS SUPPORT
MSI AM4 motherboards perfectly support AMD Ryzen processors. Combining MSI Core Boost, you can release maximum performance no matter what CPU you use.
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.

PERFORMANCE ENHANCING APPS
Complete your high performance experience with an array of performance enhancing software from MSI. From a loaded yet easy to use BIOS to potent live system tools, get the most out of your motherboard at any moment.
MSI APP PLAYER
Developed under an exclusive partnership with BlueStacks, the MSI APP Player brings seamless mobile gaming experiences to PCs. Leverage the advantages of mouse and keyboard controls, better graphics, and multi-tasking for mobile gaming supremacy.

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!
ENHANCED PERFORMANCE
MSI motherboards feature all the latest solution for enthusiast gamers and prosumers. CPU and memory enhancement and fast storage and USB transfer speed are ready to be on the battlefield.
UNMATCHED MEMORY PERFORMANCE
Optimized layout design and a fully isolated memory circuitry ensures perfect stability and performance. you never have to worry about your system crashing during games with MSI DDR4 BOOST.
EASY A-XMP
Enable A-XMP with ease using a single option in the BIOS to gain performance and create a perfectly stable system
FAST AND FUTURE-READY STORAGE
Connect any ultra-fast storage device and get into the game sooner.
AMD STOREMI
All MSI X470 & B450 motherboards are shipped with StoreMI, the new AMD SSD technology to improve storage performance. This tool helps create a virtual SSD by blending capacity storage, treats flash as primary storage and optimizes data access with monitoring continuously. All these functions can enhance read/write speed for active data and provide fast boot times and application startup.
  • Lower Cost
  • More Performance
  • More Usable Capacity
  • Use any SSD you want
STORAGE BOOST YOUR STORAGE PERFORMANCE
This great little tool is very simple to use and automatically detects your storage devices connected to the system. When enabled, Storage Boost optimizes your SSDs to keep your system fast and maximize storage performance, saving you a lot of time when loading or transferring data.
EASY RAID SETUP WITH M.2 GENIE
Looking to go all out in terms of raw data speed and put multiple SSDs in RAID 0? Setting this up can prove to be quite the challenge. That's why we created M.2 Genie, a brilliant feature to make setting up RAID 0 for M.2 and U.2 much easier and less time consuming.
MAXIMIZE YOUR USB DEVICE PERFORMANCE
Read and write your files over USB faster than ever. MSI offers a wide variety of options to connect and boost your USB devices, delivering lightning-fast transfer speeds up to 10Gb/s
MORE STABILITY WITH AMD TURBO USB 3.2 GEN2
Featuring the AMD TURBO USB 3.2 GEN2, MSI motherboards offer never before seen USB speeds with more stability when connecting USB devices.
IN-GAME ADVANTAGE
MSI motherboards are built with enhanced audio and advanced LAN networking capabilities that turn any gaming experience into an immerse one.
EXHILARATING AND INSPIRING
Each MSI motherboard is built based on the specific topic in order to match different tastes and favors. Furthermore, MSI also adopts the modern style to design the heatsink through huge surface and sleek but simple cuts in order to make the heatsink and appearance looks ripped and powerful. Combined with neutral color, such as black, grey and silver, as the main background, MSI motherboard can perfect fit different RGB LED effects and strongly shows the gamers tunes.
CONQUER THE BATTLEFIELD
MAG series motherboards are focused on functionality and durability. Descended from MSI Arsenal GAMING, these motherboards take their likeliness from rugged military equipment and are ready for battle.
MYSTIC LIGHT
MSI Mystic Light provides a complete function to control the RGB light all around the ecosystem. Select the available colors from the palette to match your favorite and mood.
MYSTIC LIGHT ON MOTHERBOARD
MSI Motherboard offers multiple colors and variety effects for you to set up the whole rig by your own way.
MYSTIC LIGHT EXTENSION
Still not satisfied with the decoration on the ecosystem? The Mystic Light Extension will help you to have more attractive way to decorate you gaming rig by the LED Strips and still under controlled by the Mystic Light application.
JRGB
The JRGB pin header provides the max 3A(12V) power supply for the up to 3 meters 5050 RGB LED strips showing single color.
MYSTIC LIGHT SYNC
Control compatible RGB peripherals with the Mystic Light application. An open source SDK is available for developers to integrate Mystic Light with RGB devices.
LOYAL COMRADE
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.
BUILT ON EVERLASTING QUALITY
Using only the finest quality components and integrating the latest technological innovations delivers the best possible professional experience. Rigorous quality testing under the most extreme conditions ensures a super reliable, long-lasting and high performance motherboard.
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.
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.

Specifications
Price
1,799,501sp
CPU Supports 1st, 2nd and 3rd Gen AMD Ryzen™/ Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics/ Athlon™ with Radeon™ Vega Graphics Desktop Processors for Socket AM4
Chipset AMD® B450 Chipset
Memory 4 x DDR4 memory slots, support up to 64GB
Supports 1866/ 2133/ 2400/ 2667Mhz (by JEDEC)
For AMD Ryzen Gen3 (R5/R7/R9)
Supports 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE)
For AMD Other CPU
Supports 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE)
Dual channel memory architecture
Supports non-ECC UDIMM memory
Supports ECC UDIMM memory (non-ECC mode)
Graphic 1 x DisplayPort, support a maximum resolution of 4096x2304 @60Hz, 2560x1600 @60Hz, 3840x2160 @60Hz, 1920x1200 @60Hz
1 x HDMI™ 1.4 port, supports a maximum resolution of 4096x2160 @30Hz, 2560x1600 @60Hz
Only support when using AMD® Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics/ Athlon™ with Radeon™ Vega Graphics ProcessorsMaximum shared memory of 2048 MB
Storage 4 x SATA 6Gb/s ports1
1 x M.2 slots (M2_2, Key M)
Supports PCIe 2.0 x4 2242/ 2260 /2280 storage devices
1x M.2 slot (M2_1, Key M)
Supports PCIe 3.0 x4 (1st, 2nd and 3rd Gen AMD Ryzen™/ Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics) or PCIe 3.0 x2 (AMD® Athlon™ with Radeon™ Vega Graphics)and SATA 6Gb/s 2242/ 2260 /2280 storage devices
PCI_E4 slot will be unavailable when an M.2 SSD is installed in the M2_2 slot.
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe RAID
Multi-GPU Support Supports 2-Way AMD® CrossFire™ Technology
Expansion Slots 1 x PCIe 3.0 x16 slot (PCI_E1)
Supports x16 speed with 1st, 2nd and 3rd Gen AMD Ryzen™ processors
Supports x8 speed with Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics processors
Supports x4 speed with AMD® Athlon™ with Radeon™ Vega Graphics Processors
1 x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)
2 x PCIe 2.0 x1 slots
PCI_E4 slot will be unavailable when an M.2 SSD is installed in the M2_2 slot.
PCI_E2 slot will be unavailable when an expansion card is installed in the PCI_E3 slot.
Networking 1 x Realtek® RTL8111H-CG Gigabit LAN controller
Audio Realtek® ALC892 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
USB Ports 1 x USB 3.2 Gen2 (SuperSpeed USB 10Gbps) Type-C port on the back panel
1 x USB 3.2 Gen2 (SuperSpeed USB 10Gbps) Type-A port on the back panel
2 x USB 3.2 Gen1 (SuperSpeed USB) ports available through the internal USB 3.2 Gen1 connector
6 x USB 2.0 (High-speed USB) ports (2 Type-A ports on the back panel, 4 ports available through the internal USB 2.0 connectors) AMD® CPU
Back I/O Ports Flash BIOS Button
PS/2 Combo Port
DisplayPort
LAN Port
USB 3.2 Gen2 Type A
HD Audio Connectors
USB 2.0 Ports
HDMI Port
USB 3.2 Gen1
USB 3.2 Gen2 Type C
Optical S/PDIF OUT
Internal I/O Ports 1 x 24-pin ATX 12V power connector
1 x 8-pin ATX 12V power connector
4 x SATA 6Gb/s connectors
2 x USB 2.0 connectors (support additional 4 USB 2.0 ports)
1 x USB 3.2 Gen1 connector (support additional 2 USB 3.2 Gen1 ports)
1 x 4-pin CPU fan connector
3 x 4-pin system fan connectors
2 x 5050 RGB LED strip 12V connectors
1 x TPM module connector
1 x Front panel audio connector
2 x System panel connectors
1 x Chassis Intrusion connector
1 x Clear CMOS jumper
1 x Serial Port connector
1 x Parallel Port connector
Operating System Support Support for Windows® 10 64-bit
Support for Windows® 7 64-bit
* To support Windows® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU.