MSI B550 Gaming WIFI Motherboard
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About This Item
- AMD B550 chipset with Socket AM4 for Ryzen 3000/5000/7000 series
- ATX form factor with 4 DIMM slots supporting up to 128GB DDR4
- 2 M.2 slots with PCIe 4.0 and 3.0 support for ultra-fast NVMe storage
- 6 SATA III connectors and 6 chassis fan headers for extensive connectivity
- Wi-Fi 5 (802.11ac) and Gigabit Ethernet with Realtek 8111H controller
- 7.1 channel audio with Realtek ALC897 codec and 4 USB 2.0 + 3 USB 3.2 ports
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MSI B550 GAMING WIFI | AMD B550 Socket AM4 ATX Motherboard
The MSI B550 GAMING WIFI motherboard delivers comprehensive connectivity and robust performance for gamers building systems with AMD Ryzen processors. Featuring PCIe 4.0 support, Wi-Fi 5, and extensive storage options, this ATX motherboard provides everything needed for a powerful gaming PC.
Key Specifications
| Metric | Spec |
|---|---|
| Socket | AM4 |
| Chipset | AMD B550 |
| Memory Support | DDR4 up to 4866 MHz |
| Wi-Fi | Wi-Fi 5 (802.11ac) |
| Form Factor | ATX |
Enhanced Power Delivery for Sustained Performance
The 10+2+1 Duet Rail POWER system provides reliable power delivery to AMD Ryzen processors. With a total of 13 digital power phases and an 8-pin connector, this motherboard handles demanding workloads without thermal throttling. The extended heatsink design increases surface area for heat dissipation, maintaining stable performance during extended gaming sessions.
Future-Ready Storage Solutions
Lightning Gen 4 PCI-E offers double the bandwidth of previous generations at 64GB/s, accelerating data transfer speeds for NVMe SSDs. Two M.2 slots support both PCIe 4.0 and 3.0 drives, while six SATA III connectors accommodate traditional storage needs. The reinforced Steel Armor PCI-E slots secure heavy graphics cards and prevent electromagnetic interference, ensuring reliable connections for your components.
Comprehensive Connectivity Options
Built-in Wi-Fi 5 and Gigabit Ethernet provide flexible networking choices. The motherboard includes multiple USB ports: USB 3.2 Gen 2 Type-A and Type-C for high-speed peripherals, plus USB 2.0 for legacy devices. HDMI and DisplayPort outputs support multiple monitor configurations, while 7.1 channel audio delivers immersive sound quality for gaming and media.
EZ Installation Features
MSI’s innovative EZ M.2 clip simplifies SSD installation without requiring tools or removing existing components. The enlarged PCI-E clip makes graphics card installation easier with one-handed operation. A dedicated Clear CMOS button restores BIOS settings quickly if boot issues occur, saving troubleshooting time.
What is in the box
- MSI B550 GAMING WIFI motherboard
- SATA cables (quantity not specified)
- I/O shield
- User manual
- Driver/software disc or download code
Check before you buy
- Confirm your AMD Ryzen processor is compatible with AM4 socket
- Verify your case supports ATX form factor dimensions
- Check if your CPU cooler fits the motherboard’s heatsink clearance
- Ensure your power supply has sufficient PCIe and CPU power connectors
Questions and answers
What processors work with this motherboard?
Does this support PCIe 4.0 NVMe SSDs?
Can I overclock with this motherboard?
What Wi-Fi standard is included?
How many case fans can I connect?
Is it worth it?
The MSI B550 GAMING WIFI motherboard offers excellent value for gamers and PC builders seeking reliable AMD AM4 platform support with modern features. Its combination of PCIe 4.0 storage, Wi-Fi connectivity, and robust power delivery makes it suitable for both current and next-generation components. Covered by the applicable manufacturer warranty.
| Front panel connector | Yes |
|---|---|
| 12V power connector | Yes |
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 3 |
| TPM connector | Yes |
| Number of SATA III connectors | 6 |
| Number of chassis fan connectors | 6 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| ATX Power connector 24-pin | Yes |
| RGB LED pin header | Yes |
| Total number of SATA connectors | 6 |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3000 Series, AMD Ryzen 5000 Series, AMD Ryzen 7000 Series |
| Maximum number of SMP processors | 1 |
| Processor socket | Socket AM4 |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed max | 2667 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Number of HDDs supported | 6 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | SATA III, M.2 |
| Number of storage drives supported | 8 |
| Parallel processing technology support | Not supported |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 2 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-A ports quantity | 1 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-C ports quantity | 1 |
| USB connector type | USB Type-A, USB Type-C |
| USB 2.0 ports quantity | 4 |
| WiFi-AP antenna jack | 2 |
| S/PDIF out port | Yes |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Digital audio optical out | 1 |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| LAN controller | Realtek 8111H |
| Bluetooth version | 5.0 |
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| Motherboard chipset family | AMD |
| PC health monitoring | CPU, Fan, Temperature |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Number of M.2 M slots | 2 |
| PCI Express x1 Gen 3.x slots | 2 |
| PCI Express x16 Gen 3.x slots | 1 |
| PCI Express x16 Gen 4.x slots | 1 |
| 1st M.2 largest key size | 22110 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 3.0 |
| BIOS type | UEFI AMI |
| Clear CMOS jumper | Yes |
| BIOS memory size | 256 Mbit |
| ACPI version | 6.0 |
| System Management BIOS SMBIOS version | 2.8 |
| Maximum resolution | 4096 x 2160 pixels |
| Harmonized System HS code | 84733020 |
| Width | 304 mm |
| Depth | 243.8 mm |
| Drivers included | Yes |
| Cables included | SATA |
| Distributor SKUs | 127834, 4711377376143, 7C56-085R, 911-7C56-085 |






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