ASUS · Motherboard

ASUS TUF GAMING B550-PLUS WIFI II

B550 · AM4 · ATX · DDR4

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Chipset B550
Form factor ATX
Memory slots 4
Max memory 128 GB
Socket AM4
Memory type DDR4

ASUS TUF GAMING B550-PLUS WIFI II is an ATX and B550 chipset motherboard for AM4 processors and DDR4 memory.

Socket: AM4

Specifications

Key specs

Chipset: B550
Form factor: ATX
Memory slots: 4
Max memory: 128 GB
Socket: AM4
Memory type: DDR4
Part number: 90MB19U0-M0EAY0
EAN / UPC: 4711081338413

Processor

Processor manufacturer: AMD
Processor socket: Socket AM4
Compatible processor series: AMD Ryzen 3000 Series
Supported processor sockets: Socket AM4

Memory

Supported memory types: DDR4-SDRAM
Number of memory slots: 4
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: ECC
Supported memory clock speeds: 2133,2400,2666,2800,2933,3000,3200,3333,3400,3466,3600,3733,3866,4000,4133,4200,4266,4333,4400,4466,4600,4800,4866 MHz
Maximum internal memory: 128 GB
Unbuffered memory: Yes

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Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: M.2, SATA
Number of storage drives supported: 8
RAID support: Yes
RAID levels: 0, 1, 10

Graphics

Parallel processing technology support: Not supported
Number of displays supported: 2

Internal I/O

USB 2.0 connectors: 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
Number of SATA III connectors: 6
Front panel audio connector: Yes
ATX Power connector (24-pin): Yes
CPU fan connector: Yes
Number of chassis fan connectors: 3
EPS power connector (8-pin): Yes
Number of COM connectors: 1
TPM connector: Yes
Thunderbolt headers: 1
RGB LED pin header: Yes

Rear panel I/O ports

USB 2.0 ports quantity: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1
Ethernet LAN (RJ-45) ports: 1
HDMI ports quantity: 1
DisplayPorts quantity: 1
Headphone outputs: 1
Line-in: Yes
Microphone in: Yes
S/PDIF out port: Yes
USB connector type: USB Type-A, USB Type-C

Network

Ethernet LAN: Yes
Ethernet interface type: 2.5 Gigabit Ethernet
Wi-Fi: Yes
Top Wi-Fi standard: Wi-Fi 6 (802.11ax)
Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth: Yes
Bluetooth version: 5.2

Features

Motherboard chipset: AMD B550
Audio output channels: 7.1 channels
Product colour: Black
Component for: PC
Motherboard form factor: ATX
Motherboard chipset family: AMD
Windows operating systems supported: Windows 10, Windows 11

Expansion slots

PCI Express x1 (Gen 3.x) slots: 3
PCI Express x16 (Gen 3.x) slots: 1
PCI Express x16 (Gen 4.x) slots: 1
Number of M.2 (M) slots: 2

BIOS

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit

Weight & dimensions

Width: 305 mm
Depth: 244 mm
Height: 75 mm

Other features

Weight: 945 g
Packaging content: 2 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x M.2 Rubber package 1 x M.2 SSD screw package 1 x TUF Gaming sticker 1 x Support DVD 1 x TUF Certification card 1 x User guide

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Compatible processors

AM4 socket

AMD Ryzen 5 56006 cores · 12 threads
AMD Ryzen 5 55006 cores · 12 threads
AMD Ryzen 5 5600G6 cores · 12 threads
AMD Ryzen 7 5700X8 cores · 16 threads
AMD Ryzen 5 5600X6 cores · 12 threads
AMD Ryzen 5 5500F6 cores · 12 threads
AMD Ryzen 5 5600F6 cores · 12 threads
AMD Ryzen 5 5600T6 cores · 12 threads

Compatible memory

DDR4

Kingston FURY Beast 8GB (1x8) DDR4-3200 CL168 GB (1x8) · DDR4
Kingston FURY Beast 16GB (2x8) DDR4-3200 CL1616 GB (2x8) · DDR4
Kingston 32GB 3200MT/s DDR4 CL16 DIMM (Kit of 2) 1Gx8 FURY Beast RGB32 GB (2x16) · DDR4
VeloxStor 7004-DDR, 8 GB, 1 x 8 GB, DDR4, 3200 MT/s, 288-pin DIMM8 GB (1x8) · DDR4
VeloxStor 7005-DDR, 16 GB, 1 x 16 GB, DDR4, 3200 MT/s, 288-pin DIMM16 GB (1x16) · DDR4
VeloxStor 7006-DDR, 32 GB, 1 x 32 GB, DDR4, 3200 MT/s, 288-pin DIMM32 GB (1x32) · DDR4
VeloxStor 7007-DDR, 8 GB, 1 x 8 GB, DDR4, 3200 MT/s, 288-pin DIMM8 GB (1x8) · DDR4
VeloxStor 7008-DDR, 16 GB, 1 x 16 GB, DDR4, 3200 MT/s, 288-pin DIMM16 GB (1x16) · DDR4

About this product

DURABLE. STABLE. RELIABLE.

TUF GAMING B550-PLUS WIFI II distills essential elements of the latest AMD platform and combines them with game-ready features and proven durability. Engineered with military-grade components, an upgraded power solution and a comprehensive set of cooling options, this motherboard delivers rock-solid performance with unwavering gaming stability. When you build with a TUF Gaming motherboard, you also benefit from the TUF Gaming Alliance — an ASUS collaboration with trusted industry partners that ensures easier building, best compatibility, and complementary aesthetics from components to case.

ROCK-SOLID PERFORMANCE

With upgraded power delivery and comprehensive cooling options to fuel the latest AMD Ryzen CPUs, plus support for faster memory and storage, TUF Gaming B550-Plus (Wi-Fi) is the perfect foundation for your next high-core-count battle rig. Power Design DrMOS The onboard VRM of TUF GAMING B550-PLUS WIFI II utilizes 8+2 DrMOS power stages that combine high-side and low-side MOSFETs and driver into a single package, delivering the power and efficiency that 3rd Gen AMD Ryzen™ Processors demand.

TUF GAMING B550-PLUS WIFI II vs similar motherboards

	ASUS TUF GAMING B550-PLUS WIFI II	ASUS PRIME B550-PLUS AC-HES	ASUS PRIME B550-PLUS	ASUS ROG STRIX B550-A GAMING
Chipset	B550	B550	B550	B550
Form factor	ATX	ATX	ATX	ATX
Memory slots	4	4	4	4
Max memory	128 GB	128 GB	128 GB	128 GB
Socket	AM4	AM4	AM4	AM4
Memory type	DDR4	DDR4	DDR4	DDR4
Released	—	2026	—	—