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Clearance Centre: MSI B450 TOMAHAWK MAX w/ DDR4-2666, 7.1 Audio, Gigabit LAN, CrossFire

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1516 Merivale Road
Ottawa, ON K2G 3J6
Phone: 343-588-1010
Fax: 000-000-0000
Store Hours
  • Mon-Fri 10:00AM - 8:00PM
  • Saturday 10:00AM - 6:00PM
  • Sunday 11:00AM - 6:00PM
  • Holidays 11:00AM - 6:00PM
Regular Price $169.99
Clearance Discount ($0.99)   1%
Clearance Sale!! ($50.70)   30%  Ends: 12/31/2021
Clearance Price $118.30   30% off
Clearance Information:
Warranty: 7 Days Warranty
Quantity Available: 1
Location: Ottawa
Comments: Refurbished
* Please Call To Confirm Item Availability
  • SKU: MX78783
  • ILC: 824142191699
  • Part #: B450 TOMAHAWK MAX
Last Modified:

Product Info

B450 TOMAHAWK MAX Motherboard

Military Style With Extended Heatsink Design For Better Thermal Solution, Plus DDR4 Boost, Core Boost, Turbo M.2 And USB 3.2 Gen2 Connector

  • Processor Support:
    • AMD 3rd Gen Ryzen™ Processors
    • AMD 2nd Gen Ryzen™ Processors
    • AMD 2nd Gen Ryzen™ Processors with Radeon™ Vega Graphics
    • AMD Ryzen™ Processors with Radeon™ Vega Graphics
  • Supports up to DDR4-4133 (OC) MHz
  • Extended Heatsink Design: MSI extended PWM heatsink and enhanced circuits ensure even high-end processors run at 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: Steel Armor PCI-E slots support 2-Way AMD Crossfire™
  • Audio Boost: Reward your ears with studio grade sound quality for the most immersive audio experience
  • Flash BIOS Button: Simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics card








MSI motherboards feature tons of convenient and smart design, such as convenient pin-header keep out zone, friendly SATA & USB location and so on, so DIY users can pick and choose any gaming rig they want.



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.



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.



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 even over clocking, so you confirm and choose any gaming rig as you want.



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 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.






High-quality power supply components and intelligent fans optimize CPU cooling performance, which is a key factor in ensuring stable and high-speed operation of the system.



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.



MSI motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Start games faster, load levels faster and have a real advantage over your enemies.



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.



MSI motherboards are built with enhanced audio and advanced LAN networking capabilities that turn any gaming experience into an immerse one.



Deliver the highest sound quality through the use of premium quality audio components and get the most immersive sound experience when gaming. MSI motherboards let you enjoy breathtaking, gaming-changing sound.



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.





Industrial Design

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.



Illuminate with MSI Mystic Light and bring the motherboard RGB lighting to life. Choose from millions of colors and sync across compatible devices.



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.



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.


Additional Information:

Visit the Manufacturer Web Page for Full Details

Download the Manufacturer Specification Sheet

Visit the Manufacturer Web Page for Compatible AMD Processors


Supports both types of Ryzen™ Processors:

  • Supports AMD® Ryzen™ 3 / 5 / 7 Series Processors (without integrated Radeon Vega Graphics)
  • Supports AMD® Ryzen™ Processors with Radeon Vega Graphics

System Requirements

  • Windows® 10, 64bit
  • Windows® 7, 64bit*
    * To support Windows® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU


Make and Model MSI B450 TOMAHAWK MAX Motherboard
CPU Support Supports AMD® Ryzen™ Series 3 / 5 / 7 Processors for Socket AM4
Supports AMD® Ryzen™ with Radeon Vega Graphics Processors for Socket AM4
Chipset AMD® B450 Chipset
CPU Socket AMD Socket AM4
Memory 4x DDR4 DIMM Slots, 128GB Maximum (4x 32GB)
Supports Stock Clocked RAM up to DDR4-2666 (JEDEC)
Dual channel memory architecture

For AMD Ryzen Gen 3 (R5/R7/R9) Processors:
Supports Stock Clocked RAM up to DDR4-2666 (JEDEC)
A-XMP OC Mode Supports: DDR4-2800 / 2933 / 3000 / 3066 / 3200 / 3466 / 4000 / 4133

For all other Compatible Processors:
Supports Stock Clocked RAM up to DDR4-2666 (JEDEC)
A-XMP OC Mode Supports: DDR4-2800 / 2933 / 3000 / 3066 / 3200 / 3466
Expansion Slots 1x PCIe 3.0 x16 slots (Up to x16)
All compatible Processors support x16, except Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with Radeon™ Graphics Processors which only Support x8 PCIe speeds

1x PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)
3x PCIe 2.0 x1 slots
PCI_E4 will run x2 speed when installing devices in PCI_E2/ PCI_E3 slot

Multi-GPU Support Supports 2-Way AMD® CrossFire™ Technology (x8 / x4)

AMD® Ryzen™ with Radeon Vega Graphics processors do not have enough PCI-E Lanes to support AMD CrossFire™

Video Out Ports Rear Panel Video ports are only supported by AMD® Ryzen™ with Radeon Vega Graphics Processors:
1x HDMI v1.4 port, up to 4,096 x 2,160 @ 30Hz or 2,560 x 1,440 @ 60Hz
1x DVI-D port, up to 1920 x 1200 @ 60Hz

Maximum Shared DDR4 RAM: 2GB

Storage 6x SATA III 6Gb/s ports

1x M.2 slot (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 (Athlon™ with Radeon™ Vega Graphics) and SATA 6Gb/s
Supports 2242/ 2260 /2280/ 22110 M.2 storage devices

If the M.2 Slot is occupied, SATA Ports 5 + 6 are disconected.
USB Back Panel:
1x USB 3.2 Gen2 Type-C (10Gbps) port
1x USB 3.2 Gen2 Type-A (10Gbps) port
2x USB 3.2 Gen1 Type-A (5Gbps) ports
2x USB 2.0 Type-A (480Mbps) ports

Internal Connectors:
2x USB 3.2 Gen1 Type-A (5Gbps) ports via 1x internal USB connector
4x USB 2.0 (480Mbps) ports via 2x internal USB connectors

LAN Realtek® 811AH Chipset:
1x Gigabit RJ45 LAN port
Audio Realtek® ALC1220 Codec:
8-Channel 7.1 High Definition Audio
6x Gold Plated 3.5mm Rear Audio Jacks
Back Panel I/O 1x PS/2 Keyboard / Mouse Combo port
1x USB 3.2 Gen2 Type-C (10Gbps) port
1x USB 3.2 Gen2 Type-A (10Gbps) port
2x USB 3.2 Gen1 Type-A (5Gbps) ports
2x USB 2.0 Type-A (480Mbps) ports (Black)
1x DVI-D port
1x HDMI™ port
1x RJ45 Gigabit LAN port
6x Gold Plated 3.5mm Rear Audio Jacks
Internal I/O Connectors 1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector
6x SATA 6Gb/s connectors
2x USB 2.0 connectors (support additional 4 USB 2.0 ports)
1x USB 3.2 Gen1 connectors (support additional 2 USB 3.2 Gen1 ports)
1x 4-pin CPU fan connector
1x 4-pin water-pump-fan connector
4x 4-pin system fan connectors
1x TPM module connector
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x Serial Port connector
1x Clear CMOS jumper
2x 5050 RGB LED strip 12V connectors
Form Factor ATX Form Factor
Dimensions (LxW) 305 x 244mm
Weight N/A
30 Day Limited Warranty

Memory Express will help facilitate the return of defective product(s) to the manufacturer for repair or replacement at no cost to our customer with in the first thirty (30) days, unless otherwise specified. Returns / Exchanges for Clearance Items are valid within (15) days of original purchase date unless otherwise specified.

Please see our Retail Store Policies for more information.