ASUS TUF Gaming B550M-PLUS WiFi II

The ASUS TUF Gaming B550M-PLUS WiFi II is a battle-tested Micro-ATX gaming motherboard built for AMD's proven AM4 platform. Engineered with military-grade components and ASUS's signature TUF durability standards, this motherboard delivers rock-solid performance for AMD Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3000 Series processors — making it the ideal foundation for compact, reliable gaming builds.

⚡ 8+2 DrMOS Power Stages

Robust power delivery built for enthusiast performance:

• 8+2 DrMOS power stages combining high-side/low-side MOSFETs and driver in a single package
• 2-ounce copper PCB layers draw heat away from critical components
• Digi+ VRM for precise voltage regulation
• ProCool II sockets ensure flush PSU contact (lower impedance, no hotspots)
• Military-grade TUF chokes for rock-steady CPU power
• Proprietary capacitors with 52% wider temperature tolerance and 2.5× longer lifespan

💾 DDR4 Memory Performance

• 4× DDR4 DIMM slots — Up to 128GB total capacity
• DDR4-4866 MT/s (OC) supported
• Dual Channel Memory Architecture
• ECC Memory support (varies by CPU)
• OptiMem II for cleaner DRAM signaling

🚀 PCIe 4.0 + Dual M.2 Storage

Lightning-fast storage and expansion:

• PCIe 4.0 x16 slot — Full 64 Gbps bandwidth
• 2× M.2 slots (M.2_1 PCIe 4.0 x4 + M.2_2 PCIe 3.0)
• M.2 Heatsinks for thermal stability
• NVMe SSD RAID 0/1/10 support
• 4× SATA 6Gb/s ports for additional storage

🌐 WiFi 6 + 2.5G Ethernet

Next-generation networking for low-latency gaming:

• MTK WiFi 6 (802.11ax) — Up to 2.4 Gbps theoretical bandwidth
• Bluetooth 5.2 for modern peripherals
• Realtek 2.5 Gigabit Ethernet with TUF LANGuard
• MU-MIMO support for crowded networks
• TurboLAN technology for low-latency gaming

🔌 USB 3.2 Gen 2 — 10Gbps Speed

Modern USB connectivity:

• 1× USB 3.2 Gen 2 Type-C (rear, 10 Gbps)
• 1× USB 3.2 Gen 2 Type-A (rear)
• Multiple USB 3.2 Gen 1 Type-A ports (rear)
• USB 2.0 ports for legacy devices
• Front-panel USB headers for case connectivity

🌡️ Comprehensive Cooling

Keep your system stable under load:

• VRM Heatsink array
• PCH fanless heatsink
• Dual M.2 heatsink coverage
• Hybrid fan headers with PWM/DC auto-detection
• Fan Xpert 4 utility for fine-tuned cooling
• AIO Pump headers for liquid cooling support

🎵 Premium Audio

• Realtek ALC S1200A codec
• TUF Gaming audio cover for EMI shielding
• Audio shielding with dedicated PCB layers
• Premium audio capacitors
• Exclusive DTS® Custom for Gaming Headsets
• Optical S/PDIF Out for clean digital audio

🎤 AI Noise-Canceling Microphone

ASUS-exclusive AI software removes ambient noise from voice communications — crystal-clear in-game chat without external software.

🎨 TUF Aesthetic + Aura Sync RGB

• Iconic TUF military-inspired design
• Aura Sync RGB with 2× ARGB Gen 2 + 1× 4-pin RGB headers
• Sync with TUF Gaming Alliance ecosystem
• Black PCB with yellow TUF accents

🛠️ Builder-Friendly Features

• BIOS FlashBack™ — Update BIOS without CPU/RAM
• EZ Flash 3 for in-BIOS updates
• Q-LED Indicators (CPU, DRAM, VGA, BOOT)
• Pre-mounted I/O Shield
• CrashFree BIOS 3 — Auto BIOS recovery

Key Features

• AMD B550 Chipset — AM4 socket
• Compatible CPUs: AMD Ryzen 5000 / 5000 G-Series / 4000 G-Series / 3000 Series
• Micro-ATX form factor (244 × 244 mm)
• 8+2 DrMOS power stages with Digi+ VRM
• 4× DDR4 DIMM slots — Up to 128GB at 4866 MT/s (OC)
• PCIe 4.0 x16 slot with SafeSlot
• 2× M.2 slots (1× PCIe 4.0 + 1× PCIe 3.0)
• 4× SATA 6Gb/s ports
• MTK WiFi 6 (802.11ax) + Bluetooth 5.2
• Realtek 2.5 Gigabit Ethernet with TUF LANGuard
• USB 3.2 Gen 2 Type-A + Type-C (rear)
• HDMI + DisplayPort (for iGPU display)
• Realtek ALC S1200A audio with DTS Custom
• AI Noise-Canceling Microphone
• Aura Sync RGB (2× ARGB Gen 2 + 1× 4-pin RGB)
• TUF Gaming Alliance ecosystem compatible
• Military-grade TUF components (chokes, capacitors)
• 2oz copper PCB layers
• ProCool II power sockets
• BIOS FlashBack™ (no CPU/RAM needed)
• Pre-mounted I/O Shield

📊 Technical Specifications

• Socket: AMD Socket AM4 (Ryzen 5000 / 3000)
• Chipset: AMD B550
• Memory Type: DDR4 only - 4x DIMM, max 128GB, DDR4-2133 up to 4866 (OC)
• Form Factor: Micro-ATX
• Expansion Slots: 1x PCIe 4.0 x16 (Ryzen 5000/3000), 1x PCIe 3.0 x16 (x4 mode), 1x PCIe 3.0 x1; M.2: M.2_1 PCIe 4.0 x4 + SATA, M.2_2 PCIe 3.0 x4 + SATA
• Storage: 4x SATA 6Gb/s (RAID 0/1/10)
• Connectivity: 2.5Gb Ethernet with TUF LANGuard; Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + Bluetooth 5.2