Asus Prime B550M-K Desktop Motherboard, AMD B550, AM4, Micro ATX, 4x Slots
Asus Prime B550M-K Desktop Motherboard, AMD B550, AM4, Micro ATX, 4x Slots
Asus Prime B550M-K Desktop Motherboard, AMD B550, AM4, Micro ATX, 4x Slots
Asus Prime B550M-K Desktop Motherboard, AMD B550, AM4, Micro ATX, 4x Slots

Asus Prime B550M-K Desktop Motherboard, AMD B550, AM4, Micro ATX, 4x Slots

Regular price $120.22 Save $-120.22
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Asus Prime B550M-K Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX - 128 GB DDR4 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - HDMI - 4 x SATA Interfaces MICRO-ATX MB PCI-E ECC MEMORY 1GB

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A

  • AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ processors
  • Comprehensive cooling: PCH heatsink and Fan Xpert 2+
  • Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
  • 5X Protection III: Multiple hardware safeguards for all-around system protection

PRIME

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

Tune It Your Way

Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work - maximizing your productivity.

Cooler by Design

Prime B550M-K is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.

  • Multiple Temperature Sources
  • Smart Protection
  • 4-Pin PWM/DC Fan

Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.

Build on a Solid Foundation

Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.

PCIe 4.0 M.2 (up to 64 Gbps)

Achieve speed with onboard M.2

PCIe 4.0 M.2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.

Little Things Make a Big Difference

Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a uniquely personal look.

Outstanding Audio

Combined onboard features deliver elevated audio

Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.

Audio Shielding

Separates analog/digital signal domains, significantly reducing multi-lateral interference.

Separate Layer for Left and Right Tracks

Ensures minimal crosstalk between audio paths.

Premium Japanese Capacitors

Premium parts provide an immersive sound signature, with exceptional fidelity.


Audio
Audio Channels 7.1
Network & Communication
Gigabit Ethernet Yes
Video
Onboard Video CPU Dependent Video
Memory
Maximum Memory 128 GB
128 GB
Memory Technology DDR4 SDRAM
Number of Memory Slots 4
Memory Form Factor UDIMM
DIMM
Memory Speed Supported 3333 MHz
3200 MHz
3000 MHz
2800 MHz
2667 MHz
2400 MHz
2133 MHz
4266 MHz
4600 MHz
3466 MHz
3600 MHz
3733 MHz
3866 MHz
4000 MHz
4133 MHz
4800 MHz
4400 MHz
4466 MHz
4600 MHz
4800 MHz
2133 MHz
2400 MHz
2667 MHz
2800 MHz
3000 MHz
3200 MHz
3333 MHz
3466 MHz
3600 MHz
3733 MHz
3866 MHz
4000 MHz
4133 MHz
4266 MHz
4400 MHz
4466 MHz
Miscellaneous
Country of Origin China
Brand Compatibility AMD
Physical Characteristics
Form Factor Micro ATX
Width 9.6"
Depth 9.6"
I/O Expansions
Number of PCI Express x1 Slots 2
Number of Total Expansion Slots 3
Number of PCI Express x16 Slots 1
Total Number of PCI Express Slots 3
I/O Controller
RAID Levels 10
1
0
Controller Type Serial ATA/600
RAID Supported Yes
Interfaces/Ports
HDMI Yes
DVI Yes
VGA Yes
Number of Network (RJ-45) Ports 1
Total Number of USB Ports 6
Number of USB 3.2 Ports 6
Onboard Interfaces
Number of SATA Interfaces 4
Total Number of Onboard USB Ports 6
Number of Onboard USB 2.0 Ports 4
Onboard S/PDIF Header Yes
Number of M.2 Interfaces 2
Number of Onboard USB 3.2 Ports 2
General Information
Product Type Desktop Motherboard

Manufacturer ASUS Computer International
Product Model B550M-K
Product Name Prime B550M-K Desktop Motherboard
Product Line Prime
Brand Name Asus
Processor & Chipset
Processor Supported Ryzen 9 PRO
Ryzen 3
Ryzen 5
Ryzen 7
Ryzen 5 Pro
Ryzen 9
Ryzen 7 PRO
Total Processor Supported 1
Processor Socket Socket AM4
Chipset Manufacturer AMD
Chipset Model B550