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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
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Learn more about the Detailed Specifications
| 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 |
| 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 within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-909-590-8308
- Support Email: [email protected]
- Support Website
- View other products from ASRock
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