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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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Learn more about the MSI PRO B550M-P WIFI6E
| Best Seller Ranking | #60 in AMD Motherboards |
|---|
| 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 |
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| 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 |
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| Form Factor | Micro ATX |
|---|---|
| LED Lighting | None RGB |
| Dimensions (W x L) | 243.84mm x 243.84mm |
| Power Pin | 24 Pin |
| Windows 11 | Supported |
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| First Listed on Newegg | July 06, 2026 |
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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: 1-626-271-1004
- Support Website
- View other products from MSI
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