MSI MAG B550 TOMAHAWK

AM4, AMD B550, ATX
99Ratings
BrandMore from MSI
Delivered between 8.1.2026 and 24.1.2026
10 pieces in stock at supplier
free shipping

Product details

The MAG series was developed through rigorous quality testing and designed as a symbol of robustness and durability. It is aimed at providing an excellent user experience and features a straightforward installation process as well as a user-friendly interface, making it the best choice for beginners.

Key specifications

Processor family
Ryzen 1st Gen, Ryzen 2nd Gen, Ryzen 3rd generation, Ryzen 5th Gen
Memory type
DDR4-RAM
Mainboard features
Front panel audio connector
Internal connection options
M.2 SATA (2x), S-ATA III (6x)
Number of memory modules (RAM)
4x
Documents
Technical data sheet.pdf
Item number
13299606

General information

Manufacturer
MSI
Category
Motherboards
Manufacturer no.
7C91-001R
Release date
5.6.2020

Motherboard properties

Form factor
ATX
Socket
AM4
Chipset
AMD B550
Mainboard features
Front panel audio connector
Operating system compatibility
Linux, Windows 10, Windows 11 Home, Windows 7, Windows 8
BIOS type
UEFI AMI

Processor

Processor family
Ryzen 1st Gen, Ryzen 2nd Gen, Ryzen 3rd generation, Ryzen 5th Gen

Memory

Memory form factor
DIMM
Number of pins
288x
Number of memory modules (RAM)
4x
Max. memory (RAM)
128 GB
Memory chip
DDR4-2133, DDR4-2400, DDR4-2666, DDR4-2800, DDR4-2933, DDR4-3200
Max. RAM OC
4866 MHz
Supported memory speed
1866 MHz, 2133 MHz, 2400 MHz, 2800 MHz, 2933 MHz, 3000 MHz, 3200 MHz
Memory type
DDR4-RAM
RAM buffer
Unbuffered

Graphics properties

Video connections
DisplayPort (1x), HDMI (1x)
Multi-GPU technology
AMD 2-Way CrossFireX

Network

Network connections
RJ45 Gigabit Ethernet (2x)
Ethernet controller brand
Realtek
Ethernet controller
Realtek RTL8111H, Realtek RTL8125B
Max. port speed
1 Gbit/s

Audio

Chip
Realtek ALC1200
Audio channel
7.1 Channel
Audio Connections
Digital Audio Out (1x)

Internal interfaces

Internal connection options
M.2 SATA (2x), S-ATA III (6x)
Expansion slot
PCI Express x16 (2x)
PCI express version (max.)
4
Number of fan connector
6

Further connections

USB ports
USB-A
Exact USB ports
USB-A 3.2 Gen 1 (2x)

Power supply

Power connectors
24-pin ATX

Origin

Country of origin
China

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Sata Cables

Product dimensions

Length
244 mm
Width
305 mm
Height
86 mm
Weight
1000 g

Package dimensions

Length
34.50 cm
Width
27 cm
Height
9 cm
Weight
1.90 kg

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Motherboards» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.MSI
    2.5 %
  • 2.Gigabyte
    2.6 %
  • 3.ASUS
    2.7 %
  • 4.AsRock
    2.8 %
  • 5.Supermicro
    2.9 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Supermicro
    1 day
  • 2.AsRock
    3 days
  • 3.MSI
    4 days
  • 4.ASUS
    8 days
  • 4.Gigabyte
    8 days

Return rate

How often is a product of this brand in the «Motherboards» category returned?

Source: Digitec Galaxus
  • 1.MSI
    4.5 %
  • 2.Gigabyte
    4.6 %
  • 3.ASUS
    4.8 %
  • 4.AsRock
    6 %
  • 5.Supermicro
    7.3 %
Source: Digitec Galaxus