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TUF Gaming B550M-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. This platform delivers the power and connectivity that advanced AI PC applications demand.

CPU

AMD AM4 Socket

  • Supports AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors 
Chipset

AMD B550

Memory

4 x DIMM, Max. 128GB, DDR4

  • 4866(OC) / 4800(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3333(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133, Un-buffered Memory
  • Dual Channel Memory Architecture
  • ECC Memory (ECC mode) support varies by CPU.
Onboard Graphics

1 x DisplayPort

  • Supports max. 4K@60Hz as specified in DisplayPort 1.2.

1 x HDMI port

  • Supports 4K@60Hz as specified in HDMI 2.1.
Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC

  • Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
  • Supports up to 24-Bit/192 kHz playback
  • Audio Features
    • Audio 
    • Shielding
    • Rear optical S/PDIF out port
    • Premium audio capacitors
    • Dedicated audio PCB layers
    • Audio cover
LAN

1Gb Ethernet

  • 10 / 100 / 1000 Mbps
  • TUF LANGuard
Wireless Communication Module

Wi-Fi 6

  • 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
  • Supports 2.4/5GHz frequency band

Bluetooth v5.2

Expansion Slots

AMD Ryzen 5000 Series/ 3000 Series Desktop Processors

  • 1 x PCIe 4.0 x16 slot (supports x16 mode)

AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors

  • 1 x PCIe 3.0 x16 slot (supports x16 mode)

AMD B550 Chipset

  • 1 x PCIe 3.0 x16 slot (supports x4 mode)
    • PCIEX16_2 will run x2 mode when PCIEX1 slot is used.
  • 1 x PCIe 3.0 x1 slot
    • PCIEX16_2 will run x2 mode when PCIEX1 slot is used.
Storage Interface

Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports

AMD Ryzen 5000 Series/ 3000 Series Desktop Processors

  • M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes)

AMD Ryzen 5000 G-Series/ 4000 G-Series Desktop Processors

  • M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)

AMD B550 Chipset

  • M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
  • 4 x SATA 6Gb/s ports

Support RAID 0, 1, 10

USB

Rear USB (Total 8 ports)

  • 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
  • 4 x USB 3.2 Gen 1 ports (4 x Type-A)
  • 2 x USB 2.0 ports (2 x Type-A)

Front USB (Total 6 ports)

  • 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
  • 2 x USB 2.0 headers support additional 4 USB 2.0 ports
Internal I/O Connectors

Fan and Cooling related

  • 1 x 4-pin CPU Fan header
  • 1 x 4-pin CPU OPT Fan header
  • 2 x 4-pin Chassis Fan headers

Power related

  • 1 x 24-pin Main Power connector
  • 1 x 8-pin +12V Power connector

Storage related

  • 2 x M.2 slots (Key M)
  • 4 x SATA 6Gb/s ports

USB

  • 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
  • 2 x USB 2.0 headers support additional 4 USB 2.0 ports

Miscellaneous

  • 1 x Addressable Gen 2 header
  • 2 x AURA RGB headers
  • 1 x Clear CMOS header
  • 1 x COM Port header
  • 1 x Front Panel Audio header (AAFP)
  • 1 x Speaker header
  • 1 x SPI TPM header (14-1pin)
  • 1 x 10-1 pin System Panel header
Back Panel Connectors
  • 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
  • 4 x USB 3.2 Gen 1 ports (4 x Type-A, one port can be switched to USB BIOS FlashBack)
  • 2 x USB 2.0 ports (2 x Type-A)
  • 1 x DisplayPort
  • 1 x HDMI port
  • 1 x Wi-Fi Module
  • 1 x Realtek 2.5Gb Ethernet port
  • 5 x Audio jacks
  • 1 x Optical S/PDIF out port
  • 1 x BIOS FlashBack button
  • 1 x PS/2 Keyboard/Mouse combo port
I/O Controller
  • N/A
H/W Monitoring
  • Voltage detection
  • Temperature detection
  • Fan speed detection
  • Overheating warning
  • Fan fail warning
  • Fan speed control
BIOS

256 Mb Flash ROM

  • UEFI AMI BIOS
Unique Features

ASUS TUF PROTECTION

  • DIGI+ VRM (Digital power design with DrMOS)
  • Enhanced DRAM Overcurrent Protection
  • ESD Guards
  • TUF LANGuard
  • Overvoltage Protection
  • SafeSlot
  • Stainless-Steel Back I/O

ASUS Q-Design

  • Q-DIMM
  • Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
  • Q-Slot

ASUS Thermal Solution

  • M.2 heatsink
  • VRM heatsink design

ASUS EZ DIY

  • BIOS FlashBack button
  • BIOS FlashBack LED
  • ProCool

AURA Sync

  • AURA RGB headers
  • Addressable Gen 2 header
Bundled Software

Armoury Crate

  • Aura Creator
  • Aura Sync
  • Two-Way AI Noise Cancelation

AI Suite 3

  • Performance And Power Saving Utility
  • TurboV EVO
  • EPU
  • DIGI+ VRM
  • Fan Xpert 2+
  • EZ update

TUF GAMING CPU-Z

AI Charger

DAEMON Tools

DTS Custom for GAMING Headsets

Norton Anti-virus software (Free Trial version)

WinRAR

UEFI BIOS

ASUS EZ DIY

  • ASUS CrashFree BIOS 3
  • ASUS EZ Flash 3
  • ASUS UEFI BIOS EZ Mode
Operating System

Windows 10 / 11 64-bit

Form Factor

Micro-ATX Form Factor, 24.4cm x 22.1cm

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ASUS TUF GAMING B550M-PLUS WIFI II, AMD B550 Chipset, Socket AM4, DDR4, Micro ATX Desktop Motherboard

- Socket AM4, AMD B550 Chipset
- Supports Ryzen 3000 to 5000 Series Processors
- 4 x DDR4 DIMM Slots, up to 128GB, DDR4-4866 (OC)
- 1 x PCIe 4.0 x16 Slot
- 1 x PCIe 3.0 x16 Slot (x4 Electrical)
- 1 x PCIe 3.0 x1 Slot
- 1 x M.2 PCIe 4.0 NVMe Slot
- 1 x M.2 PCIe 3.0 NVMe Slot
- 4 x SATA 3.0 Ports
- 1Gbps LAN & Wi-Fi 6
- 1 x DisplayPort 1.2, 1 x HDMI 2.1
- 1 x Rear USB Type-C 10Gb/s
- 1 x Rear USB Type-A 10Gb/s, 4 x Rear USB Type-A 5Gb/s
- 2 x Rear USB 2.0/1.1
- 5 x Rear Audio Jacks, 1 x Optical S/PDIF Out
- Form Factor: Micro ATX
- 3 Year Warranty

  • Product Code: 90MB19Y0-M0EAY0
  • Availability: Out Of Stock leadtimeTooltip Lead Times:
    • In Stock with Progenix: Ready for collection/dispatch once payment clears. The cut-off for same-day dispatch is 12:00pm on business days.
    • In Stock with Supplier: 1-3 business days until dispatched or ready for collection
    • Out Of Stock: Contact us to see if this item will be restocked.
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