MSI B550 Gaming WiFi6E AM4 ATX Motherboard with Wi-Fi 6E & PCIe 4.0
MPN B550-GAMING-WIFI6E · Brand MSI · ATX
MSI B550 Gaming WiFi6E is an AM4 ATX motherboard supporting AMD Ryzen 5000/4000G/3000 Series CPUs, DDR4 up to 4800+ MHz, PCIe 4.0, Wi-Fi 6E, and Bluetooth 5.3
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Overview
The MSI B550 Gaming WiFi6E is an ATX-form-factor motherboard built on AMD's B550 chipset for the AM4 socket. It supports AMD Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors, making it a versatile foundation for a wide range of AMD Ryzen builds. Connectivity is a headline strength. Integrated Wi-Fi 6E and Bluetooth 5.3 deliver high-speed wireless networking and peripheral pairing without the need for an add-in card. A 1 Gb Ethernet port rounds out wired connectivity, and the rear I/O also includes USB 10 Gbps Type-A, USB 10 Gbps Type-C, USB 5 Gbps Type-A, and multiple USB 2.0 ports, along with HDMI and DisplayPort 1.2 video outputs and a Flash BIOS button for convenient firmware updates. Storage performance benefits from the primary PCIe 4.0 x16 slot (from the CPU) and a Lightning Gen 4 x4 M.2 slot, both supporting the latest high-bandwidth NVMe drives. Additional expansion is covered by a PCIe 3.0 x4 slot and a PCIe 3.0 x1 slot from the chipset. An M.2 Shield Frozr thermal solution helps keep M.2 SSDs operating within safe temperatures under sustained loads. Memory support spans up to 128 GB of DDR4 across four DIMM slots in dual-channel configuration, with overclocking headroom reaching 4800+ MHz (OC) in a single-DIMM-per-channel, single-rank configuration. ECC UDIMM modules are accepted in non-ECC mode. TVS transient voltage suppressors and overcurrent protection (OCP) circuits are present on the board to help safeguard USB ports, DDR memory, PWM ICs, and the CPU against voltage spikes and excessive current. System builders will appreciate EZ Debug LEDs for rapid fault identification, EZ Mounting for simplified installation, and a front USB Type-C header for compatible chassis. Six system fan headers plus a CPU fan and a combo pump/system fan header offer broad cooling control. Two Addressable V2 RGB (JARGB_V2) and one standard RGB (JRGB) headers support lighting customisation. A TPM 2.0 pin header is present for platform security requirements. MSI Center software integrates monitoring and tuning utilities in a single interface. Audio Boost technology uses an isolated audio circuit to reduce signal interference. Verifiable Specifications: - Socket: AM4 - Chipset: AMD B550 - Form Factor: ATX - Supported CPUs: AMD Ryzen 5000 / 5000G / 4000G / 3000 / 3000G Series - Memory: DDR4, 4x DIMM, Dual Channel, up to 128 GB; up to 4800+ MHz (OC, 1DPC 1R) - Expansion: 1x PCIe 4.0 x16 (CPU), 1x PCIe 3.0 x4 (Chipset), 1x PCIe 3.0 x1 (Chipset) - Storage: Lightning Gen 4 x4 M.2 (+ additional M.2 slots per spec sheet) - Wireless: Wi-Fi 6E, Bluetooth 5.3 - LAN: 1 Gb Ethernet - Rear USB: USB 10 Gbps Type-A, USB 10 Gbps Type-C, USB 5 Gbps Type-A, USB 2.0 - Video Out: 1x HDMI, 1x DisplayPort 1.2 - Internal headers: 4x USB 2.0, 2x USB 5 Gbps Type-A, 1x USB 5 Gbps Type-C, 2x JARGB_V2, 1x JRGB, TPM 2.0 - Warranty: 3 Years
Datasheet
| Memory Type | DDR4 |
|---|---|
| Warranty | 3 Years |
| Form Factor | ATX |
| Chipset | B550 |
| Socket | AM4 |
| CPU Type | Ryzen 5000,Ryzen 5000G,Ryzen 4000G,Ryzen 3000,Ryzen 3000G |
| Max Memory | 128 GB |
| Memory Speed | up to 4866+ |
| Platform | AMD |
| Graphics Port | 1x HDMI,1x DisplayPort |
| Memory Feature | 1DPC 1R Max speed up to 4800+ MHz 1DPC 2R Max speed up to 3866+ MHz 2DPC 1R Max speed up to 4000+ MHz 2DPC 2R Max speed up to 3600+ MHz Dual channel memory architecture Supports non-ECC UDIMM memory Supports ECC UDIMM memory (non-ECC mode) Supports un-buffered memory Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit Brand Website |
| Expansion Slots | 2x PCI-E x16 slot 1x PCI-E x1 slot PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x4 (From Chipset) PCI_E3 Gen PCIe 3.0 supports up to x1 (From Chipset) The supported specification depends on installed processor. When installing PCIe SSD in M.2_2 slot, PCI_E2 slot will be unavailable |
| Channel Supported | Dual Channel |
| Wireless Networking | Wi-Fi 6E,Bluetooth 5.3 |
| Back Panel I/O Ports | USB 2.0 DisplayPort 1.2 1G LAN USB 10Gbps (Type-A) Wi-Fi / Bluetooth Audio Connectors Flash BIOS Button HDMI USB 2.0 USB 5Gbps (Type-A) USB 10Gbps (Type-C) |
| Internal I/O Connector | 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 1x Combo Fan (Pump_Sys Fan) 6x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 2x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 2x USB 5Gbps Type A ports 1x USB 5Gbps Type C ports |
