ASUS PRIME B550M-K AMD B550 Socket AM4 micro ATX

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  • AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2
  • PCIe 4.0
  • 1 Gb Ethernet
  • HDMI/D-Sub/DVI
  • SATA 6 Gbps
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SKU #: 90MB14V0-M0EAY0
EAN #: 4718017758284
UNSPSC #: 43201513
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.

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.

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.
SKU 90MB14V0-M0EAY0
EAN 4718017758284
Manufacturer ASUS
In Stock N
Internal I/O
Number of M.2 (M) slots2
Supported storage drive interfacesM.2, SATA
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors1
ATX Power connector (24-pin)Yes
Technical details
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Performance
Windows operating systems supportedWindows 10
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Processor
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 3000 Series
Processor socketSocket AM4
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR4-SDRAM
Supported memory clock speeds2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz
Maximum internal memory128 GB
Storage controllers
Supported storage drive interfacesM.2, SATA
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity2
PS/2 ports quantity1
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DVI-D ports quantity1
Network
Ethernet LANYes
Wi-FiNo
LAN controllerRealtek RTL8111H
Features
Windows operating systems supportedWindows 10
Motherboard chipset familyAMD
Motherboard chipsetAMD B550
Motherboard form factormicro ATX
Harmonized System (HS) code84733020
Expansion slots
Number of M.2 (M) slots2
PCI Express x1 (Gen 3.x) slots2
PCI Express x16 (Gen 4.x) slots1
BIOS
BIOS typeUEFI AMI
BIOS memory size256 Mbit
Software
Windows operating systems supportedWindows 10
Logistics data
Harmonized System (HS) code84733020
Weight & dimensions
Height51 mm
Weight785 g
Width244 mm
Depth244 mm
Other features
Height51 mm
Weight785 g