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.
Product Overview
Manufacturer Warranty: 3 Years
Country of Origin: CHINA
General Information
Manufacturer: ASUS Computer InternationalManufacturer Part Number: 90MB14V0-M0AAY0
Manufacturer Website Address: usa.asus.com
Brand Name: Asus
Product Line: Prime
Product Model: B550M-K
Product Name: Prime B550M-K Desktop Motherboard
Product Type: Desktop Motherboard
Processor & Chipset
Chipset Manufacturer: AMDTotal Processor Supported: 1
Processor Socket: Socket AM4
Processor Supported: Ryzen 3
Processor Supported: Ryzen 5
Processor Supported: Ryzen 7 PRO
Processor Supported: Ryzen 9 PRO
Processor Supported: Ryzen 5 Pro
Processor Supported: Ryzen 7
Processor Supported: Ryzen 9
Memory
Number of Memory Slots: 4Memory Form Factor: DIMM
Memory Form Factor: UDIMM
Maximum Memory Supported: 128 GB
Memory Technology: DDR4 SDRAM
Memory Speed Supported: 2133 MHz
Memory Speed Supported: 2400 MHz
Memory Speed Supported: 2667 MHz
Memory Speed Supported: 3000 MHz
Memory Speed Supported: 3200 MHz
Memory Speed Supported: 3333 MHz (O.C.)
Memory Speed Supported: 3600 MHz (O.C.)
Memory Speed Supported: 3733 MHz (O.C.)
Memory Speed Supported: 3866 MHz (O.C.)
Memory Speed Supported: 4000 MHz (O.C.)
Memory Speed Supported: 4133 MHz (O.C.)
Memory Speed Supported: 4266 MHz (O.C.)
Memory Speed Supported: 4466 MHz (O.C.)
Memory Speed Supported: 4600 MHz (O.C.)
Memory Speed Supported: 2800 MHz
Memory Speed Supported: 3466 MHz (O.C.)
Memory Speed Supported: 4400 MHz (O.C.)
Memory Speed Supported: 4800 MHz (O.C.)
I/O Controller
Controller Type: Serial ATA/600RAID Supported: Yes
RAID Levels: 0
RAID Levels: 1
RAID Levels: 10
Video
Onboard Video: CPU Dependent VideoAudio
Audio Channels: 7.1Network & Communication
Gigabit Ethernet: YesI/O Expansions
Number of Total Expansion Slots: 3Total Number of PCI Express Slots: 3
Number of PCI Express x1 Slots: 2
Number of PCI Express x16 Slots: 1
Interfaces/Ports
Total Number of USB Ports: 6Number of USB 3.2 Ports: 6
VGA: Yes
HDMI: Yes
DVI: Yes
Number of Network (RJ-45) Ports: 1
Onboard Interfaces
Number of SATA Interfaces: 4Number of M.2 Interfaces: 2
Total Number of Onboard USB Ports: 6
Number of Onboard USB 2.0 Ports: 4
Number of Onboard USB 3.2 Ports: 2
Onboard S/PDIF Header: Yes
Physical Characteristics
Form Factor: Micro ATXWidth: 9.6"
Depth: 9.6"
Miscellaneous
Package Contents:- Prime B550M-K Desktop Motherboard
- User's Manual
- I/O Shield
- 2 x SATA 6Gb/s cable(s)
- 1 x Supporting DVD
- 1 x M.2 SSD screw package(s)
Brand Compatibility: AMD
Environmentally Friendly: Yes
Environmental Certification: RoHS