here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
ASRock B550M WiFi AM4 AMD B550 Micro ATX Motherboard - Wi-Fi 6E, PCIe 4.0, Hyper M.2 Gen4x4, DDR4 4733+ (OC)
- AM4 PLATFORM - Supports AMD Ryzen 5000, 5000 G-Series, 4000 G-Series, 3000 and 3000 G-Series desktop processors on the AMD B550 chipset with an 8 power phase design and 2oz copper PCB
- HIGH-SPEED MEMORY - 4 x DDR4 DIMM slots with dual channel support, scaling up to 4733+ MHz (OC) for fast, stable performance
- NEXT-GEN EXPANSION - 1 x PCIe 4.0 x16 reinforced steel slot plus 1 x Hyper M.2 (PCIe Gen4x4) socket and 4 x SATA3 6Gb/s connectors for flexible storage and graphics
- WI-FI 6E CONNECTIVITY - Onboard 802.11axe Wi-Fi 6E with 6GHz band and Bluetooth 5.2, backed by Realtek Gigabit LAN for low-latency wired and wireless networking
- IMMERSIVE AUDIO & RGB - Realtek ALC1220 7.1-channel HD audio with Nahimic Audio, dual graphics outputs (HDMI + DisplayPort), and Polychrome RGB headers for custom lighting
+
+
Specs
Reviews (2)
See all Q & A 
Any questions? Ask CelesteSM will help you find out quickly.
Try me now
Learn more about the Detailed Specifications
| Best Seller Ranking | #46 in AMD Motherboards |
|---|
| Brand | ASRock |
|---|---|
| Series | B550 |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | Ryzen 3000 Series, Ryzen 3000 G-Series, Ryzen 4000 G-Series, Ryzen 5000 Series, Ryzen 5000 G-Series |
| Chipset | AMD B550 |
|---|---|
| South Bridge | AMD B550 |
| Number of Memory Slots | 4x288pin (DDR4) |
|---|---|
| Memory Standard | DDR4 3200 |
| Maximum Memory Supported | 128GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | Intel XMP |
| ECC Supported | Yes |
| Buffer Supported | Un-buffered |
| PCI Express 4.0 x16 | 1 x PCI Express 4.0 x16 |
|---|---|
| PCI Express 3.0 x16 | 1 x PCI Express 3.0 x16 |
| PCI Express x16 | 2 x PCI Express x16 |
| PCI Express x4 | 1 x PCI Express x4 |
| PCI Express x1 | 1 x PCI Express x1 |
| Other Slots | 1 x M.2 Socket (Key E) |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
|---|---|
| M.2 | 1 x M.2 (Support PCIe 4.0 x4) |
| SATA RAID | 0/1/10 |
| Onboard Video Chipset | AMD Radeon Vega Series |
|---|
| Audio Chipset | Realtek ALC1220 |
|---|---|
| Audio Channels | 7.1 Channels |
| LAN Chipset | Realtek RTL8111H |
|---|---|
| Max LAN Speed | 1Gbps |
| Wireless LAN | WiFi IEEE 802.11 a / b / g / n / ac / ax / axe |
| Bluetooth | Yes |
| PS/2 | 1 x PS/2 keyboard/mouse port |
|---|---|
| COM | 1 |
| Video Ports | HDMI + Display Port |
| HDMI | 1 x HDMI |
| RJ45 | 1 x RJ45 |
| DisplayPort | 1 x DisplayPort |
| USB 3.1 | 8 x USB 3.1 |
| USB 3.0 | 8 x USB 3.0 |
| USB 1.1/2.0 | 6 x USB 3.0 + 6 x USB 2.0 |
| Audio Ports | 3 Ports |
| Onboard USB | 4 x USB 3.2 + 4 x USB 2.0 |
|---|
| Form Factor | Micro ATX |
|---|---|
| LED Lighting | RGB |
| Dimensions (W x L) | 9.6" x 9.6" |
| Power Pin | 24 Pin |
| Windows 11 | Supported |
|---|
| First Listed on Newegg | July 02, 2026 |
|---|
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.com'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: 1-909-590-8308
- Support Email: support@asrockamerica.com
- Support Website
- View other products from ASRock
LOADING...
LOADING...