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Home  Components  Motherboards  PRIME B550M-K 
Asus Prime B550M-K Desktop Motherboard - AMD Chipset - Socket AM4 - 128 GB DDR4 SDRAM Maximum RAM - DIMM, UDIMM - 4 x Memory Slots - Gigabit Ethernet - 6 x USB 3.1 Port - HDMI - DVI - 1 x RJ-45 - 4 x SATA Interfaces
PRIME B550M-K Image
Photo is for Illustration purposes only. Actual Product may be different.

In Stock: 28
$154.00 





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Ships same business day
Mfg.Part#: PRIME B550M-K
Condition: Brand New
 


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.


General Information
ManufacturerASUS Computer International
Manufacturer Website Addresshttp://www.asus.com
Brand NameAsus
Product LinePrime
Product ModelB550M-K
Product NamePrime B550M-K Desktop Motherboard
Product TypeDesktop Motherboard

Processor & Chipset
Chipset ManufacturerAMD
Total Processor Supported1
Processor SocketSocket AM4
Processor SupportedRyzen 3   |   Ryzen 5   |   Ryzen 7   |   Ryzen 9   |   Ryzen 5 Pro   |   Ryzen 7 PRO   |   Ryzen 9 PRO

Memory
Number of Memory Slots4
Memory Form FactorDIMM   |   UDIMM
Maximum Memory128 GB
Memory TechnologyDDR4 SDRAM
Memory Speed Supported2133 MHz   |   2400 MHz   |   2667 MHz   |   2800 MHz   |   3000 MHz   |   3200 MHz   |   3333 MHz (O.C.)   |   3466 MHz (O.C.)   |   3866 MHz (O.C.)   |   3600 MHz (O.C.)   |   3733 MHz (O.C.)   |   4000 MHz (O.C.)   |   4133 MHz (O.C.)   |   4466 MHz (O.C.)   |   4600 MHz (O.C.)   |   4400 MHz (O.C.)   |   4800 MHz (O.C.)   |   4266 MHz (O.C.)

I/O Controller
Controller TypeSerial ATA/600
RAID SupportedYes
RAID Levels0   |   10   |   1

Video
Onboard VideoCPU Dependent Video

Audio
Audio Channels7.1

Network & Communication
Gigabit EthernetYes

I/O Expansions
Number of Total Expansion Slots3
Total Number of PCI Express Slots3
Number of PCI Express x1 Slots2
Number of PCI Express x16 Slots1

Interfaces/Ports
Total Number of USB Ports6
Number of USB 3.2 Ports6
VGAYes
HDMIYes
DVIYes
Number of Network (RJ-45) Ports1

Onboard Interfaces
Number of SATA Interfaces4
Number of M.2 Interfaces2
Total Number of Onboard USB Ports6
Number of Onboard USB 2.0 Ports4
Number of Onboard USB 3.2 Ports2
Onboard S/PDIF HeaderYes

Physical Characteristics
Form FactorMicro ATX
Width9.60" (243.84 mm)
Depth9.60" (243.84 mm)

Miscellaneous
Brand CompatibilityAMD
 
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