ASUS PRIME B550M-K DDR4 AMD-Motherboard

Key Specifications

• Brand: ASUS
• Model: PRIME B550M-K
• Chipset: AMD B550
• CPU Socket: AMD AM4
• Supported Processors: AMD Ryzen™ 5000 Series / 4000 G-Series / 3000 Series Desktop Processors
• Form Factor: Micro-ATX

Memory

• Memory Type: DDR4
• Memory Slots: 4 × DIMM
• Maximum Memory: Up to 128GB
• Memory Architecture: Dual Channel
• Memory Speed: Up to DDR4 4866MHz (OC), depending on CPU and memory configuration
• ECC Support: ECC support varies by CPU

Expansion Slots

• 1 × PCIe 4.0 x16: Supports x16 mode
• 1 × PCIe 3.0 x16: Supports x4 mode
• 2 × PCIe 3.0 x1

Storage

• M.2 Slots: 2 × M.2
• M.2_1: PCIe 4.0 x4 & SATA Mode, supports up to 22110
• M.2_2: PCIe 3.0 x4 & SATA Mode, supports 2242/2260/2280
• SATA Ports: 4 × SATA 6Gb/s
• RAID Support: RAID 0, 1, 10

Graphics

• 1 × HDMI 2.1: Up to 4K @ 60Hz
• 1 × DVI-D
• 1 × D-Sub
• Display outputs require a compatible processor with integrated graphics.

Networking

• LAN: Realtek 1Gb Ethernet
• Network Protection: ASUS LANGuard

USB

• Rear USB: 6 × USB ports
• Front USB: 6 × USB ports
• Rear I/O: USB 3.2 Gen 2 Type-A / USB 3.2 Gen 1 / USB 2.0

Audio

• Audio Codec: Realtek ALC887/ALC897
• Audio: 7.1-Channel High Definition Audio
• Features: Audio Shielding, Premium Japanese Audio Capacitors, Dedicated Audio PCB Layers

Cooling

• Fan Control: ASUS Fan Xpert 2+
• Fan Headers: 4-Pin PWM/DC fan support
• Cooling: PCH Heatsink
• Temperature Monitoring: Multiple temperature sources

Internal I/O

• 24-Pin Main Power Connector: 1
• 8-Pin CPU Power Connector: 1
• M.2: 2
• SATA 6Gb/s: 4
• CPU Fan Header: 1
• Chassis Fan Headers: 2
• Front USB Headers: USB 3.2 Gen 1 + USB 2.0
• Front Panel Audio: 1
• S/PDIF Out: 1
• TPM Header: 1
• COM Header: 1