Model

Brand	ASUS
Model	TUF GAMING B550M-PLUS (WI-FI)

Supported CPU

CPU Socket Type	AM4
CPU Type	Supports AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Processors* * BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASUS website for CPU support list.

Chipsets

Chipset	AMD B550

Memory

Number of Memory Slots	4x288pin (DDR4)
Memory Standard	DDR4 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3333(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 4000 G-Series Desktop Processors)* DDR4 4600(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3333(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 5000 Series / 3000 Series Desktop Processors)* * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Maximum Memory Supported	128GB
Channel Supported	Dual Channel
ECC Supported	ECC Memory (ECC mode) support varies by CPU
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 PCI Express 3.0 x16* * Running at x4 mode
PCI Express x1	1 x PCIe 3.0 x1* * PCIEX16_2 will run x2 mode when PCIEX1 is used.

Storage Devices

SATA 6Gb/s	4 x SATA 6Gb/s
M.2	AMD Ryzen 5000 Series / 3000 Series Desktop Processors: 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 4.0 x4 and SATA modes) storage devices support AMD Ryzen 4000 G-Series Desktop Processors: 1 x M.2_1 socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support AMD B550 Chipset: 1 x M.2_2 socket 3, with M Key, Type 2242/2260/2280/22110 (PCIE 3.0 x4 and SATA modes) storage devices support
SATA RAID	0/1/10

Onboard Video

Onboard Video Chipset	Supported only by CPU with integrated graphic

Onboard Audio

Audio Chipset	Realtek ALC S1200A Surround Sound High Definition Audio CODEC
Audio Channels	7.1 Channels

Onboard LAN

LAN Chipset	Realtek RTL8125B
Max LAN Speed	10/100/1000/2500Mbps
Wireless LAN	Intel Wi-Fi 6 AX200 802.11a/b/g/n/ac/ax
Bluetooth	Bluetooth 5.1

Rear Panel Ports

Back I/O Ports	1 x PS/2 keyboard/mouse combo port(s) 1 x DisplayPort 1 x HDMI 1 x LAN (2.5G) port(s) 2 x USB 3.2 Gen 2 (teal blue) (1 x Type-A+1 x USB Type-C) 4 x USB 3.2 Gen 1 (blue) Type-A 2 x USB 2.0 1 x Optical S/PDIF out 5 x Audio jack(s) 1 x BIOS FlashBack Button(s) 1 x ASUS Wi-Fi Module

Internal I/O Connectors

Onboard USB	1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors	1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 2 x Chassis Fan connector(s) 2 x Aura RGB Strip Headers 1 x Addressable Gen 2 header(s) 1 x SPI TPM header 1 x Front panel audio connector(s) (AAFP) 1 x Clear CMOS jumper(s) 1 x System panel connector 1 x COM port header 1 x Speaker connector

Physical Spec

Form Factor	Micro ATX
LED Lighting	RGB
Dimensions (W x L)	9.6" x 9.6"
Power Pin	1 x 24-pin EATX Power connector(s) 1 x 8-pin EATX 12V Power connectors

Windows 11 Compatibility

Windows 11	Supported

Features

Features

Multi-GPU Support: Supports AMD 2-Way CrossFireX Technology Software Features: ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync - AI Noise Cancelling Microphone AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU Digi+ VRM Fan Xpert 2+ - EZ update TUF GAMING CPU-Z AI Charger ASUS Turbo LAN DAEMON Tools DTS Custom for GAMING Headsets Norton Anti-virus software (Free Trial for 60 days) WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode ASUS Special Features: ASUS TUF PROTECTION - ASUS DIGI+ VRM (Digital power design with Dr. MOS) - ASUS Enhanced DRAM Overcurrent Protection - ASUS ESD Guards - TUF LANGuard - ASUS Overvoltage Protection - ASUS SafeSlot - ASUS Stainless-Steel Back I/O ASUS Q-Design - ASUS Q-DIMM - ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - ASUS Q-Slot ASUS Thermal Solution - Aluminum M.2 heatsink ASUS EZ DIY - BIOS FlashBack button - BIOS FlashBack LED - Procool AURA Sync - Standard RGB headers - Addressable Gen 2 RGB header BIOS: 256MB Flash ROM, UEFI AMI BIOS Manageability: WOL by PXE Operating System: Windows 10 64-bit

Packaging

Package Contents	Accessories: User's manual I/O Shield 2 x SATA 6Gb/s cable(s) 1 x Supporting DVD 1 x TUF Gaming Sticker 1 x TUF Certification card(s) 1 x Wi-Fi moving antenna 1 x M.2 SSD screw package(s) 1 x M.2 Rubber Package(s)