Asus Prime PRIME B550M-K WIFI Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX

$89.99
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None availableas of 08/17/2026

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  • RoHS
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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the Asus Prime PRIME B550M-K WIFI

ASUS PRIME series motherboards are expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series AMD Ryzenplatform. PRIME B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. It's designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

Digi+ VRM control

The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings.

Dual M.2 slots (up to 64Gbps)

PRIME B550M-K WIFI offers a total of two M.2 slots, including one that supports data-transfer speeds of up to 64Gbps via PCIe 4.0, and one that supports PCIe 3.0. This enables quicker boot-up and app load times with OS or application drives

Cooler by design

The PRIME B550M-K WIFI motherboard is engineered with onboard chipset heatsink and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.

ASUS Fan Xpert 2+

ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There's also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS

Empowering connections

This motherboard offers a versatile range of connectivity, including support for WiFi 6, PCIe 4.0 slot, 1Gb Ethernet and an arsenal of USB ports connection.

WiFi 6

The WiFi 6 module is compatible with the 802.11ax. Perhaps more importantly for users, it's optimized for more efficient operation on crowded networks with a lot of competing traffic.

PCIe 4.0 slot

PRIME B550M-K WIFI offers PCIe 4.0 slot connectivity for the GPUs. The wide bandwidth and superfast transmission speeds allow you to create feature-rich builds that can handle high loads effortlessly.

Realtek®1Gb Ethernet

Realtek®1Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for fast, smooth data transfers.

High Speed Transferring

Numerous USB ports support high-end rigs loaded with peripherals, including four rear USB 5Gbps Type-A ports and a front USB 5Gbps Type-A connector for transmission speeds of up to 5Gbps.

Personalization

The PRIME B550M-K WIFI enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.

Technical specifications

Technical Specifications of the Asus Prime PRIME B550M-K WIFI

General Information

General Information specifications
Manufacturer ASUS Computer International
Manufacturer Part Number B550M-K WIFI AM4
Manufacturer Website Address http://usa.asus.com
Brand Name Asus
Product Line Prime
Product Model PRIME B550M-K WIFI
Product Name PRIME B550M-K WIFI Desktop Motherboard
Product Type Desktop Motherboard

Processor & Chipset

Processor & Chipset specifications
Chipset Manufacturer AMD
Chipset Model B550
Total Processor Supported 1
Processor Socket Socket AM4
Processor Supported Ryzen 3000 SeriesRyzen 4000 G-SeriesRyzen 5000 SeriesRyzen 5000 G-Series

Technical Information

Technical Information specifications
AI-powered Yes

Memory

Memory specifications
Number of Memory Slots 2
Memory Form Factor UDIMMDIMM
Maximum Memory 64 GB
Memory Technology DDR4 SDRAM
Memory Speed Supported 2400 MHz4333 MHz3200 MHz4600 MHz4133 MHz4466 MHz4000 MHz3733 MHz4400 MHz3400 MHz3600 MHz4866 MHz3000 MHz3333 MHz2933 MHz2666 MHz4200 MHz3866 MHz2800 MHz2133 MHz5100 MHz4266 MHz3466 MHz
Error Checking ECC

I/O Controller

I/O Controller specifications
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 0101

Video

Video specifications
Onboard Video CPU Dependent Video

Audio

Audio specifications
Audio Channels 7.1

Network & Communication

Network & Communication specifications
Bluetooth Yes
Gigabit Ethernet Yes
Wireless LAN Yes
Wireless LAN Standard IEEE 802.11ax

I/O Expansions

I/O Expansions specifications
Total Number of Expansion Slots 3
PCI Express Standard PCI Express 3.0PCI Express 4.0
Total Number of PCI Express Slots 3
Number of PCI Express x1 Slots 1
Number of PCI Express x16 Slots 2

Interfaces/Ports

Interfaces/Ports specifications
Total Number of USB Ports 6
S / PDIF Yes
HDMI Yes
DisplayPort Yes
Number of Network (RJ-45) Ports 1

Onboard Interfaces

Onboard Interfaces specifications
Number of SATA Interfaces 4
Number of M.2 Interfaces 2
Total Number of Onboard USB Ports 6
Number of Onboard USB 2.0 Ports 4

Physical Characteristics

Physical Characteristics specifications
Form Factor Micro ATX
Width 9.6"
Depth 8.7"

Miscellaneous

Miscellaneous specifications
Package Contents
  • PRIME B550M-K WIFI Desktop Motherboard
  • 2 x SATA 6Gb/s cables
  • 1 x ASUS Wi-Fi moving antenna
  • 1 x I/O shield
  • 1 x M.2 anchor package
  • 1 x Quick start guide
Brand Compatibility AMD
Environmental Compliance Restriction of Hazardous Substances (RoHS)

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

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Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.