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Rectangular ATX motherboard, black PCB with silver heatsinks and grey expansion slots

MSI

MSI B450 TOMAHAWK AMD motherboard Socket AM4 DDR4 64GB ATX

SKU CH-2X7F-KF7CK

ATX board for first and second generation Ryzen CPUs, dual-channel DDR4 up to 64GB, one PCIe 3.0 x16 slot, six SATA III ports, Realtek ALC892 7.1 audio and gigabit LAN

  • ProcessorFirst and second generation AMD Ryzen processors with AM4 pi
  • ChipsetAMD B450
  • CPU socketSocket AM4
  • Supported memorySupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000
  • Max supported RAM64 GB
  • PCI slots1 PCIe 3.0 x16 slot (PCI_E1) First and second generation AMD
  • Supports 64GB DDR4 memory at speeds up to 3466MHz
  • Socket AM4 fits first and second generation Ryzen processors
  • AMD B450 chipset with 10Gbps USB 3.1 Gen2 Type-C and Type-A ports
  • Realtek ALC892 delivers 7.1-channel high-quality audio
  • Realtek 8111H Gigabit LAN plus multiple PCIe 3.0 and 2.0 expansion slots

Board purpose

The MSI B450 TOMAHAWK is an ATX motherboard built on the AMD B450 chipset for Socket AM4 processors. It targets builders assembling systems around first or second generation Ryzen CPUs, including models with integrated Vega graphics.

Suitability guide

This board suits users who need dual-channel DDR4 memory support up to 64 GB across a wide range of speeds from 1866 MHz to 3466 MHz. It also provides one PCIe 3.0 x16 slot, one PCIe 2.0 x16 slot running at x4 mode, three PCIe 2.0 x1 slots, six SATA III ports and one M.2 interface. Builders requiring more than a single full-length PCIe 3.0 slot or newer CPU generations should look at other chipsets.

Deciding specification

The single specification that determines fit is the CPU socket: this motherboard only accepts Socket AM4 processors. If your CPU uses a different socket, the board will not work.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $60.99
Cheaper than about 89% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI B450 TOMAHAWK
Model nameMSI B450 TOMAHAWK
Processor
ProcessorFirst and second generation AMD Ryzen processors with AM4 pins and RadeonVega graphics
CPU socketSocket AM4
ChipsetAMD B450
Memory
Supported memorySupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000/3066/3200/3466 MHz memory
Max supported RAM64 GB
Storage
SATA and RAID support1XM.2 interface, 6xSATA III interface
Audio & video
Audio chipRealtek ALC892 decoding chip
7.1-Channel high-quality sound effects
Connectivity
Ethernet controller1 Realtek 8111H Gigabit network interface card

Questions about this item

How can I confirm the board is running correctly after assembly?

Power on the system and check that the POST screen appears, the CPU and DRAM debug LEDs stay off, and the BIOS detects the installed DDR4 memory at its rated speed up to 3466 MHz.

What accessories are included and what must I source separately?

The package contains the motherboard, a CMOS battery, one SATA cable and the rear I/O shield; you will need to buy a Socket AM4 CPU, DDR4 modules, storage drives, a power supply and a case.

Which memory capacity should I choose for this board?

The board supports a maximum of 64 GB across four slots, so pick a kit that totals 64 GB or less — for example four 16 GB modules or two 32 GB modules.

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