Best Sellers
Hot Seller- $138.44
- + $10.99 Shipping
ASUS PRIME B550M-K WIFI AM4 mATX motherboard, DDR4, PCIe 4.0, 2xM.2, WiFi 6, 1Gb Ethernet, DisplayPort, HDMI, rear and front USB 5Gbps Type-A, SATA 6 Gbps, Aura Sync
- Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
- AMD AM4 Socket: Ready for AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Ultrafast Connectivity: PCIe 4.0 x16 slot, PCIe 4.0 M.2 slot, Wi-Fi 6, Realtek 1Gb Ethernet, rear and front USB 5Gbps Type-A
- Comprehensive Cooling: PCH heatsink, hybrid fan headers and Fan Xpert 2+
- DIY Friendly Design: Q-LED Core
- Unmatched Personalization: Three Addressable RGB Gen 2 headers, all configurable with ASUS-exclusive Aura Sync RGB lighting
- Renowned Software: ASUS DriverHub, ASUS GlideX and Armoury Crate
+
+
Overview
Specs
Reviews
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.ca's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-510-739-3777
- Support Website
- View other products from ASUS
LOADING...
LOADING...
The ASUS PRIME B550M-K WIFI is a micro-ATX AM4 motherboard for Ryzen 3000, 4000 G-Series, and 5000 Series desktop processors, suited to compact PC builds that need DDR4, Wi-Fi 6, and two M.2 slots.
Recommended For
- AM4 PC builders placing a compact micro-ATX system where Ethernet is inconvenient: onboard Wi-Fi 6 and Bluetooth avoid requiring a separate wireless card.
- Budget-conscious builders reusing a supported Ryzen 3000, 4000G, or 5000-series processor and DDR4 memory for a home or light-gaming desktop; community build discussions show this board being considered for entry-level gaming systems.
- AM4 users who want two M.2 drives—for example, a boot drive plus a separate game or project drive—without adding a storage expansion card.
- DIY builders who want basic onboard fan tuning, startup troubleshooting lights, and addressable RGB headers while assembling a micro-ATX system.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | AM4 desktop builds using AMD Ryzen 3000, 4000 G-Series, 5000, or 5000 G-Series processors |
| Processor And Platform | AMD B550 chipset with an AM4 socket for the listed Ryzen desktop processor series |
| Memory Configuration | Dual-channel memory with 2 slots and support for up to 64 GB; ECC support is listed as only, with unbuffered memory |
| Expansion And Storage | PCIe 4.0 support, including PCIe x16 and x1 slots; 2 M.2 positions and 4 SATA ports |
| Networking And Connectivity | Wi-Fi 6, Bluetooth, and 1 Ethernet port; 12 USB ports in total, including 2 USB 2.0 ports; 1 HDMI, 1 DisplayPort, and 1 COM port |
| Audio | Realtek 7.1-channel high-definition audio with 3 audio ports and S/PDIF out |
| Power | 24-pin main power connector |
| Form Factor And Dimensions | Micro ATX; 9.6 × 8.7 × 1.5 inches and 1.1 pounds |
| Model Identifiers | ASUS PRIME B550M-K WIFI |