MSI · Motherboard

MSI B550 GAMING WIFI6E

B550 · AM4 · DDR4 · 4000 RAM slots

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Chipset B550
Memory slots 4000
Max memory 128 GB
Socket AM4
Memory type DDR4

MSI B550 GAMING WIFI6E is a B550 chipset motherboard for AM4 processors and DDR4 memory. It came out in 2026.

Released: 2026-05-22
Socket: AM4

Specifications

Key specs

Chipset: B550
Memory slots: 4000
Max memory: 128 GB
Socket: AM4
Memory type: DDR4
Released: 2026-05-22
Part number: B550 GAMING WIFI6E
EAN / UPC: 4711377459082

Processor

Processor manufacturer: AMD
Processor socket: Socket AM4
Compatible processor series: AMD Ryzen 5000 Series, AMD Ryzen 3000 Series, AMD Ryzen 4000 Series
Supported processor sockets: Socket AM4

Memory

Supported memory types: DDR4-SDRAM
Number of memory slots: 4000
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: Non-ECC
Supported memory clock speeds: 2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4533,4600,4733,4800,4866 MHz
Supported memory clock speed (max): 4800 MHz
Maximum internal memory: 128 GB
Unbuffered memory: Yes

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Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: M.2, PCI Express 4.0, PCI Express 3.0, SATA
Number of storage drives supported: 2

Internal I/O

USB 2.0 connectors: 4000
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 3
USB 3.2 Gen 2 (3.1 Gen 2) connectors: 2
Number of SATA III connectors: 6
Number of SATA connectors: 6
Total number of SATA connectors: 6
Front panel audio connector: Yes
Front panel connector: Yes
ATX Power connector (24-pin): Yes
CPU fan connector: Yes
Chassis intrusion connector: Yes
TPM connector: Yes
RGB LED pin header: Yes

Rear panel I/O ports

USB 2.0 ports quantity: 8
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
Ethernet LAN (RJ-45) ports: 1
HDMI ports quantity: 1
HDMI version: 1.4
DisplayPorts quantity: 1
DisplayPort version: 1.2

Features

Motherboard chipset: AMD B550
Audio chip: Realtek ALC897
Audio output channels: 7.1 channels
Component for: PC
Motherboard chipset family: AMD

Expansion slots

PCI Express x1 (Gen 3.x) slots: 1
PCI Express x1 (Gen 4.x) slots: 1
PCI Express x16 slots: 1
PCI Express x16 (Gen 3.x) slots: 1
PCI Express x16 (Gen 4.x) slots: 1
Number of M.2 (M) slots: 2
1st M.2 largest key size: 2280
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

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit
ACPI version: 6.0
System Management BIOS (SMBIOS) version: 2.8

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Compatible processors

AM4 socket

AMD Ryzen 5 56006 cores · 12 threads
AMD Ryzen 5 55006 cores · 12 threads
AMD Ryzen 5 5600G6 cores · 12 threads
AMD Ryzen 7 5700X8 cores · 16 threads
AMD Ryzen 5 5600X6 cores · 12 threads
AMD Ryzen 5 5500F6 cores · 12 threads
AMD Ryzen 5 5600F6 cores · 12 threads
AMD Ryzen 5 5600T6 cores · 12 threads

Compatible memory

DDR4

Kingston FURY Beast 8GB (1x8) DDR4-3200 CL168 GB (1x8) · DDR4
Kingston FURY Beast 16GB (2x8) DDR4-3200 CL1616 GB (2x8) · DDR4
Kingston 32GB 3200MT/s DDR4 CL16 DIMM (Kit of 2) 1Gx8 FURY Beast RGB32 GB (2x16) · DDR4
VeloxStor 7004-DDR, 8 GB, 1 x 8 GB, DDR4, 3200 MT/s, 288-pin DIMM8 GB (1x8) · DDR4
VeloxStor 7005-DDR, 16 GB, 1 x 16 GB, DDR4, 3200 MT/s, 288-pin DIMM16 GB (1x16) · DDR4
VeloxStor 7006-DDR, 32 GB, 1 x 32 GB, DDR4, 3200 MT/s, 288-pin DIMM32 GB (1x32) · DDR4
VeloxStor 7007-DDR, 8 GB, 1 x 8 GB, DDR4, 3200 MT/s, 288-pin DIMM8 GB (1x8) · DDR4
VeloxStor 7008-DDR, 16 GB, 1 x 16 GB, DDR4, 3200 MT/s, 288-pin DIMM16 GB (1x16) · DDR4

About this product

The B550 GAMING WIFI6E is crafted to offer extensive connectivity, versatile tools, and Wi-Fi solution for gamers seeking a comprehensive experience. Featuring an 1G LAN, Wi-Fi and PCIe 4.0 solution, it is ready for 24/7 non-stop gaming optimized for AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors. The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer. MSI motherboards circuitry ensure the case standoff keep out zones are pure and clean. Moreover, the protective paint is printed around each screw hole to prevent parts from being scratched or damaged to the motherboard. A host of features inject artificial intelligence into key aspects of your computing experience to make smarter, real-time optimizations. The MSI Center offers a clean, minimal interface to customize and manage your PC settings. The AI Engine, for example, automatically adjusts settings based on the applications you're using, ensuring seamless performance. Core Boost technology combines MSI's premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision.

Datasheet (PDF)