ASUS PRIME B550M-K ARGB AMD AM4 Micro ATX Motherboard

The ASUS PRIME B550M-K ARGB delivers reliable performance for AMD Ryzen builds in a compact Micro ATX form factor. Engineered for AMD AM4 socket processors, this motherboard supports Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series desktop processors, providing a solid foundation for daily computing and DIY PC builds.

PCIe 4.0 and Dual M.2 Storage

This motherboard features PCIe 4.0 support with one x16 slot for high-speed graphics cards and NVMe storage. Two M.2 slots accommodate modern SSDs - one supporting PCIe 4.0 x4 (2242/2260/2280) and another supporting PCIe 3.0 x4 (2242/2260/2280/22110). Four SATA III ports provide additional storage expansion options with RAID 0/1/10 support via AMD RAIDXpert2 Technology.

Memory and Connectivity

Two DDR4 DIMM slots support up to 64GB of dual-channel memory with overclocking speeds reaching 5100MHz. Display connectivity includes HDMI and DisplayPort outputs for integrated graphics processors. The rear I/O panel features four USB 3.2 Gen1 Type-A ports, two USB 2.0 ports, Realtek 1Gb Ethernet, and three audio jacks. Front panel connectivity includes USB 3.2 Gen1 Type-C header for modern case compatibility.

Comprehensive Cooling and RGB Lighting

The B550M-K ARGB includes PCH heatsink coverage and hybrid fan headers compatible with Fan Xpert 2+ software for intelligent cooling management. Three addressable Gen2 RGB headers enable Aura Sync RGB lighting control, allowing synchronization with compatible LED strips and peripherals for customized system aesthetics.

Audio and Expansion

Realtek 7.1 Surround Sound High Definition Audio CODEC delivers quality audio output. Expansion options include one PCIe 4.0 x16 slot, one PCIe 3.0 x16 slot, and one PCIe 3.0 x1 slot. Internal headers support additional USB 3.2 Gen1, USB 2.0, front panel audio, S/PDIF out, and system panel connections.

The ASUS PRIME B550M-K ARGB motherboard provides essential features for AMD Ryzen systems with modern connectivity standards, flexible storage options, and RGB customization in a space-efficient Micro ATX design.

AMD B550 (Ryzen™ AM4) mATX motherboard with dual M.2 slots, PCIe 4.0, Realtek 1Gb Ethernet, DisplayPort/HDMI™, SATA 6 Gbps, rear USB 3.2 Gen 1 ports, front USB 3.2 Gen 1 Type-C® and Aura Sync

• AMD AM4 Socket: Ready for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
• Ultrafast Connectivity: PCIe 4.0, dual M.2 slots, Realtek 1Gb Ethernet, rear USB 3.2 Gen 1 ports and front USB 3.2 Gen 1 Type-C®
• Comprehensive Cooling: PCH heatsink, hybrid fan headers and Fan Xpert 2+
• Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware

Description

Specification

• Motherboard Type: Desktop
• Form Factor: Micro ATX
• Socket: AMD AM4
• Chipset: AMD B550
• #Hide#DDR Type: DDR4
• CPU Support: Click here for CPU support
• RAM Technology: DDR4 (Dual Channel)
• RAM Slots: 2 x DIMM
• RAM Speeds: Up to 5100(OC)
• Maximum Memory: 64GB
• Graphics: Integrated Graphics Processor*
  Graphics specifications may vary between CPU types
• Graphics Ports: 1 x HDMI
  1 x DisplayPort
• PCI/PCI Express: 1 x PCIe 4.0 x16 (supports x16 mode)
  1 x PCIe 3.0 x16 (supports x16 mode)
  1 x PCIe 3.0 x1
• Storage: 4 x SATA III
  1 x M.2 (242/2260/2280) - SATA & PCIe 4.0 x4
  1 x M.2 (2242/2260/2280/22110) - SATA & PCIe 3.0 x4
  
• RAID: AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10
• Wireless: -
• LAN: GB LAN
• Audio: Realtek 7.1 Surround Sound High Definition Audio CODEC
• USB Ports Supported: Rear:
  4 x USB 3.2 Gen1 Type-A
  2 x USB 2.0
  
  Front:
  1 x USB 3.2 Gen1 Type-C
  2 x USB 3.2 Gen1
  4 x USB 2.0
• Back Panel I/O Ports: 4 x USB 3.2 Gen1 Type-A
  2 x USB 2.0
  1 x DisplayPort
  1 x HDMI
  1 x Realtek 1Gb Ethernet
  3 x Audio jacks
  1 x PS/2 Keyboard/Mouse combo
• Internal I/O Connectors: 1 x 4-pin CPU Fan
  2 x 4-pin Chassis Fan
  1 x 24-pin Main
  1 x 8-pin +12V
  2 x M.2 (Key M)
  4 x SATA 6Gb/s
  1 x USB 3.2 Gen1 USB Type-C
  1 x USB 3.2 Gen1
  2 x USB 2.0
  3 x Addressable Gen2
  1 x Clear CMOS
  1 x COM Port
• .: 1 x Front Panel Audio
  1 x S/PDIF Out
  1 x Speaker
  1 x SPI TPM (14-1 pin)
  1 x 10-1 pin System Panel
• Accessories: 2 x SATA 6Gb/s cables
  1 x I/O Shield
  1 x Screw package for M.2 SSD
  1 x User guide
• Additional Features: See Overview
• Package Type: Retail
• Package Weight: 0.9100 kg
• Warranty: 3 Years
• #Hide#M.2 Slot(s): Yes (M.2)
• #Hide#No. LAN Ports: 1 x LAN
• #Hide#Max LAN Speed: GB LAN