ASUS TUF GAMING B550-PLUS WIFI II AM4 ATX motherboard — PCIe 4.0, dual M.2, 10 DrMOS power stages, Wi-Fi 6, 2.5 Gb Ethernet, HDMI, DisplayPort, SATA 6 Gbps, USB 3.2 Gen 2 Type-A and Type-C, Thunderbolt™ 3 header, and Aura Sync RGB lighting support

CPU Support

• Socket: AM4
• Supported CPUs:
  • AMD Ryzen™ 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Desktop Processors
  • Check ASUS support site for full compatibility list.

Memory

• DIMM Slots: 4 x DDR4
• Maximum Capacity: 128GB
• Supported Speeds (OC):
  • 4866/4800/4600/4466/4400/4333/4266/4200/4133/4000/3866/3733/3600/3466/3400/3333/3200/3000/2933/2800/2666/2400/2133 MHz
• Architecture: Dual-channel
• ECC Support: Varies by CPU (check QVL for specifics)
• Features:
  • Intel® XMP support (for compatible memory modules)
  • AEMP III (ASUS Enhanced Memory Profile)
  • DIMM Fit and DIMM Flex for easy installation

Graphics

• Ports:
  • 1 x HDMI™ 2.1 (supports 4K@60Hz )
  • 2 x DisplayPort 1.2 (supports multi-monitor setups)
• Integrated graphics performance depends on the installed CPU.

Expansion Slots

• AMD Ryzen™ 5000/3000 Series:
  • 1 x PCIe 4.0 x16 slot (supports x16 mode )
• AMD Ryzen™ 5000/4000 G-Series:
  • 1 x PCIe 3.0 x16 slot (supports x16 mode )
• AMD B550 Chipset:
  • 1 x PCIe 3.0 x16 slot (supports x4 mode )
  • 3 x PCIe 3.0 x1 slots
  • Note: PCIe 3.0 x16_2 runs in x1 mode if any PCIe 3.0 x1 slot is occupied.
  • RAID Bifurcation Support: Enabled for PCIe configurations.

Storage

• M.2 Slots:
  • M.2_1 (Key M):
    • Supports 2242/2260/2280/22110 form factors.
    • PCIe 4.0 x4 & SATA modes (for Ryzen 5000/3000 Series).
    • PCIe 3.0 x4 & SATA modes (for Ryzen G-Series).
  • M.2_2 (Key M):
    • Supports 2242/2260/2280/22110 form factors.
    • PCIe 3.0 x4 & SATA modes .
    • Shares bandwidth with SATA6G_56; disabling M.2_2 enables SATA6G_56.
• SATA Ports: 6 x SATA 6Gb/s
• RAID Support:
  • PCIe RAID 0/1/10
  • SATA RAID 0/1/10

Ethernet & Wireless

• Ethernet:
  • 1 x Intel® 2.5Gb LAN port
  • 1 x Marvell® AQtion 10Gb LAN port (Windows 11 only)
• Wireless:
  • 2x2 Wi-Fi 6 (802.11a/b/g/n/ac/ax)
  • Bluetooth v5.2 (supported on Windows 11 or later)

USB Connectivity

• Rear I/O (Total 8 ports):
  • 2 x USB 3.2 Gen 2 (1 Type-A + 1 Type-C®)
  • 4 x USB 3.2 Gen 1 (Type-A)
  • 2 x USB 2.0 (Type-A)
• Front Panel (Total 6 ports):
  • 1 x USB 3.2 Gen 1 header (supports 2 additional ports)
  • 2 x USB 2.0 headers (supports 4 additional ports)
• USB Type-C® Power Delivery: Max 5V/3A

Audio

• Codec: Realtek ALC887/897
• Features:
  • 7.1 Surround Sound High Definition Audio
  • Jack-detection, Multi-streaming, Front Panel Jack-retasking
  • Up to 24-Bit/192 kHz playback
  • Audio Shielding , Premium capacitors , Dedicated audio PCB layers
• Note: 7.1 Surround Sound requires a chassis with an HD audio module.

Back Panel I/O Ports

• 2 x USB 3.2 Gen 2 (1 Type-A + 1 Type-C®)
• 4 x USB 3.2 Gen 1 (Type-A)
• 2 x USB 2.0 (Type-A)
• 1 x DisplayPort (Input only)
• 1 x HDMI™ 2.1 (4K@60Hz)
• 1 x ASUS Wi-Fi Module
• 1 x Intel® 2.5Gb Ethernet port
• 5 x Audio jacks
• 1 x Optical S/PDIF Out port
• 1 x BIOS FlashBack™ button

Internal I/O Connectors

• Fan Headers:
  • 1 x CPU Fan
  • 1 x CPU OPT Fan
  • 1 x AIO Pump
  • 3 x Chassis Fan headers
• Power Connectors:
  • 1 x 24-pin Main Power
  • 1 x 8-pin +12V CPU Power
• Storage Connectors:
  • 2 x M.2 slots (Key M)
  • 6 x SATA 6Gb/s ports
• USB Headers:
  • 1 x USB 3.2 Gen 1 (supports 2 ports)
  • 2 x USB 2.0 (supports 4 ports)
• RGB Headers:
  • 2 x AURA Addressable Gen 2
  • 2 x AURA RGB headers
• Miscellaneous Headers:
  • 1 x Clear CMOS
  • 1 x COM Port
  • 1 x Front Panel Audio (AAFP)
  • 1 x SPI TPM (14-1 pin)
  • 1 x System Panel (20-3 pin)
  • 1 x Thermal Sensor
  • 1 x Thunderbolt header

Special Features

• ASUS TUF PROTECTION III:
  • DIGI+ VRM (DrMOS-based digital power design)
  • ESD Guards
  • LANGuard
  • Overvoltage Protection
  • SafeSlot
  • Stainless-Steel Back I/O
• ASUS Q-Design:
  • Q-DIMM, Q-LED (CPU, DRAM, VGA, Boot Device indicators), Q-Slot
• Thermal Solutions:
  • Aluminum M.2 Heatsink
  • VRM Heatsink Design
• EZ DIY Tools:
  • BIOS FlashBack™ button and LED
  • Procool II power connectors
  • SafeDIMM for stable memory installation

Software & BIOS

• Exclusive Software:
  • Armoury Crate:
    • Aura Sync lighting control
    • Two-Way AI Noise Cancellation
    • Fan Xpert 4 for advanced cooling management
  • TurboV EVO for overclocking
  • Norton 360 Deluxe (60-day trial)
  • Adobe Creative Cloud (trial)
  • WinRAR (40-day trial)
• BIOS:
  • 256MB Flash ROM
  • UEFI AMI BIOS with AI Overclocking Guide
  • ASUS CrashFree BIOS 3 , EZ Flash 3 , UEFI BIOS EZ Mode

Operating System

• Supported OS: Windows 10 64-bit
• Bluetooth/Wi-Fi 6: Requires Windows 11 or later for full functionality.

Form Factor

• Type: ATX
• Dimensions: 30.5cm x 24.4cm

Accessories

• Cables: 2 x SATA 6Gb/s cables
• Miscellaneous:
  • ASUS WiFi Q-Antenna
  • Q-connector
  • M.2 Q-Latch packages
  • ProArt accessory bag
• Documentation:
  • ACC Express activation key card
  • Quick start guide