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MSI PRO B550M-P WIFI6E AM4 AMD B550 Micro ATX Motherboard - DDR4 4400+, PCIe 4.0, Dual M.2 (Gen4), Wi-Fi 6E, BT 5.3, Front USB-C, Realtek 1GbE LAN
- BROAD AM4 SUPPORT - Socket AM4 with AMD B550 chipset, ready for AMD Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3000 Series desktop processors
- HIGH-SPEED MEMORY - 4x DDR4 DIMM slots, dual-channel, up to 128GB and 4400+ MT/s (OC) with Memory Boost isolated circuit design for stable signaling
- LIGHTNING GEN4 STORAGE & EXPANSION - PCIe 4.0 x16 Steel Armor slot plus dual M.2 (1x Gen4 x4 64Gbps, 1x Gen3 x4) and 4x SATA 6Gbps for fast, flexible builds
- WI-FI 6E CONNECTIVITY - Pre-installed Wi-Fi 6E module with 6GHz band and Bluetooth 5.3, backed by Realtek RTL8111H 1GbE LAN for reliable wired and wireless networking
- MODERN I/O & AUDIO - 7x USB 5Gbps (6 Type-A + front Type-C) and 6x USB 2.0, HDMI 2.1 / DisplayPort 1.4 / VGA outputs, plus Realtek ALC897 7.1-channel HD Audio Boost
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Specs
Reviews (3)
Learn more about the MSI PRO B550M-P WIFI6E
| Brand | MSI |
|---|---|
| Model | PRO B550M-P WIFI6E |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | Ryzen 5000 Series, Ryzen 4000 G-Series, Ryzen 3000 Series |
| Chipset | AMD B550 |
|---|
| Number of Memory Slots | 4x288pin (DDR4) |
|---|---|
| Memory Standard | DDR4 4400 |
| Maximum Memory Supported | 128GB |
| Channel Supported | Dual Channel |
| Memory Performance Profile | Intel XMP |
| ECC Supported | Non-ECC |
| 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 | 1 x PCI Express x16 |
| PCI Express x1 | 2 x PCI Express x1 |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
|---|---|
| M.2 | 2 x M.2 (Support PCIe 4.0 x4 & SATA) |
| SATA RAID | 0/1/10 |
| Audio Chipset | Realtek ALC897 |
|---|---|
| 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 |
| Bluetooth | Yes |
| PS/2 | 1 x PS/2 keyboard/mouse port |
|---|---|
| COM | 1 |
| Video Ports | D-Sub + Display Port + HDMI |
| S-Video | No |
| HDMI | 1 x HDMI |
| RJ45 | 1 x RJ45 |
| DisplayPort | 1 x DisplayPort |
| USB 3.1 | 7 x USB 3.1 |
| USB 3.0 | 7 x USB 3.0 |
| USB 1.1/2.0 | 4 x USB 3.0 + 6 x USB 2.0 |
| USB Type-C | 1 x USB 5Gbps Type-C |
| Audio Ports | 3 Ports |
| Onboard USB | 2 x USB 3.2 + 4 x USB 2.0 + 1 x USB Type-C® header, with USB 3.2 Gen 1 |
|---|
| Form Factor | Micro ATX |
|---|---|
| LED Lighting | None RGB |
| Dimensions (W x L) | 243.84mm x 243.84mm |
| Power Pin | 24 Pin |
| Windows 11 | Supported |
|---|
| First Listed on Newegg | July 06, 2026 |
|---|
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
- Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
- This item is covered by Newegg.com's International Return Policy.
- Read full return policy for details.
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-626-913-0828
- Support Website
- View other products from MSI
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