Learn more about MSI MAG B550 TOMAHAWK

Model

Brand

MSI

Model

MAG B550 TOMAHAWK

Supported CPU

CPU Socket Type

AM4

CPU Type

Supports AMD Ryzen 5000 / 4000 G / 3000 Series* processors* Not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G.

Chipsets

Chipset

AMD B550

Memory

Number of Memory Slots

4x288pin (DDR4)

Memory Standard

DDR4 5100+ / 5000 / 4866 / 4800 / 4733 / 4600 / 4533 / 4400 / 4266 / 4133 / 4000 / 3866 / 3733 / 3600 / 3466 / 3200 / 3066 / 3000 / 2933 / 2800 / 2667 (by A-XMP OC MODE)DDR4 3200 / 3066 / 3000 / 2933 / 2800 / 2667 / 2400 / 2133 / 1866 (by JEDEC)1DPC 1R max speed 51001DPC 2R max speed 38662DPC 1R max speed 40002DPC 2R max speed 3600

Maximum Memory Supported

128GB

Channel Supported

Dual Channel

ECC Supported

Yes

Buffer Supported

Un-buffered

Expansion Slots

PCI Express 4.0 x16

1 x PCI Express 4.0 x16** Actual support may vary by CPU.

PCI Express 3.0 x16

1 x PCIe 3.0 x16 slot** Supports x4 speed.* When installing devices in M.2_2, PCI_E2 & PCI_E3 slots at the same time, PCI_E3 slot will be unavailable, and M2_2 slot only supports PCIe x2.

PCI Express x1

2 x PCIe 3.0 x1

Storage Devices

SATA 6Gb/s

6 x SATA 6Gb/s

M.2

2 x M.2 slots (Key M):M2_1 slot (from AMD Processor):Supports PCIe 4.0/3.0 x4 *Supports SATA 6Gb/sSupports 2242/2260/2280/22110 storage devicesM2_2 slot (from AMD B550 chipset):Supports PCIe 3.0 x4Supports 2242/2260/2280 storage devices* The supported specification depends on installed processor.

SATA RAID

0/1/10

Onboard Video

Onboard Video Chipset

Supported only by CPU with integrated graphic

Onboard Audio

Audio Chipset

Realtek ALC1200 / ALC1220P

Audio Channels

7.1 Channels

Onboard LAN

LAN Chipset

Realtek RTL8125B

Second LAN Chipset

Realtek RTL8111H

Max LAN Speed

10/100/1000/2500Mbps + 10/100/1000Mbps

Rear Panel Ports

Back I/O Ports

1 x Flash BIOS Button1 x PS/2 Keyboard/Mouse Combo1 x DisplayPort1 x HDMI2 x LAN (RJ45)2 x USB 2.0/1.12 x USB 3.2 Gen 1 Type-A1 x USB 3.2 Gen 2 Type-A1 x USB 3.2 Gen 2 Type-C1 x Optical S/PDIF Out5 x Audio Jacks

Internal I/O Connectors

Onboard USB

1 x USB 3.2 Gen 1 5Gbps Type-C port1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)

Other Connectors

1 x 4-pin CPU fan connector1 x 4-pin water-pump fan connector6 x 4-pin system fan connectors1 x Front panel audio connector2 x System panel connectors1 x Chassis Intrusion connector2 x 4-pin RGB LED connectors2 x 3-pin RAINBOW LED connectors1 x TPM module connector1 x Clear CMOS jumper

Physical Spec

Form Factor

ATX

LED Lighting

RGB

Dimensions (W x L)

12.0″ x 9.6″

Power Pin

1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector

Windows 11 Compatibility

Windows 11

Supported

Features

Features

Supports AMD Ryzen 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen 5 3400G & Ryzen 3 3200G) and AMD Ryzen 4000 G-Series desktop processorsSupports DDR4 Memory, up to 5100+(OC) MHzLightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad rated for 7W/mk and PCB with 2oz thickened copper are built for high performance system and non-stop gaming experienceEnhanced Power Design: 10+2+1 Duet Rail Power System, Digital PWM, Core Boost, DDR4 BoostLatest Network Solution: Onboard 2.5G LAN plus Gigabit LAN with LAN Manager deliver the best online experience without lagMystic Light: 16.8 million colors / 29 effects controlled in one click. Mystic Light Extension supports RGB and RAINBOW LED stripPre-installed I/O Shielding: Better EMI protection and more convenience for installationAudio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experienceMulti-GPU: With Steel Armor PCI-E slots. Supports 2-Way AMD Crossfire