MSI B550M GAMING PLUS WIFI6E AM4 AMD B550 Micro ATX Motherboard, DDR4, PCIe 4.0, Dual M.2, Wi-Fi 6E, Bluetooth 5.3, 1G LAN

Option: B550M GAMING PLUS WIFI6E

Ready for AMD Ryzen - Socket AM4 support for AMD Ryzen 5000, 5000 G-Series, 4000 G-Series, 3000, and 3000 G-Series desktop processors on the AMD B550 chipset
Fast DDR4 Memory - 4x DDR4 DIMM slots, up to 128GB, dual-channel, with speeds to 4400+ MHz via A-XMP OC Mode
PCIe 4.0 Performance - PCIe 4.0 x16 graphics slot plus two PCIe 3.0 x1 slots for maximum bandwidth and expansion
Dual M.2 + 4x SATA - M.2 Gen4 x4 (PCIe 4.0/SATA) and M.2 Gen3 x4 slots, plus four SATA 6Gb/s ports; RAID 0/1/10 (SATA) and RAID 0/1 (M.2 NVMe)
Wi-Fi 6E and Bluetooth 5.3 - Pre-installed dual-band 2.4/5/6GHz Wi-Fi 6E module with MU-MIMO, plus Realtek 1Gbps LAN for wired reliability
Versatile USB Connectivity - USB 5Gbps Type-C front header, 6x USB 5Gbps Type-A, and 6x USB 2.0 across rear and front panel
4K Display Output - HDMI 2.1 and DisplayPort 1.4 supporting up to 4K 60Hz with compatible integrated-graphics processors
7.1-Channel HD Audio - Realtek ALC897 codec for immersive gaming and media sound
Mystic Light RGB - 2x addressable V2 RGB and 2x RGB LED connectors for customizable lighting sync
Builder-Friendly Design - 4x EZ Debug LED for quick troubleshooting, Flash BIOS Port, TPM 2.0 header, and 5 fan/pump headers in a compact Micro ATX (243.84 x 243.84mm) form factor

Specs

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Learn more about the Detailed Specifications

Model
Brand	MSI

Supported CPU
CPU Socket Type	AM4
CPU Type	Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, Ryzen 3000 Series

Chipsets
Chipset	AMD B550

Storage Devices
M.2	2 x M.2

Onboard Audio
Audio Channels	8 Channels

Rear Panel Ports
HDMI	1 x HDMI
DisplayPort	1 x DisplayPort

Physical Spec
Form Factor	Micro ATX
LED Lighting	None RGB

Additional Information
First Listed on Newegg	August 03, 2026