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ATX motherboard with black heatsinks and silver M.2 shields

MSI

MSI B550 GAMING WIFI6E AMD motherboard

SKU CH-986M-1GMG6 MPN B550 GAMING WIFI6E

ATX board for Ryzen 5000 and 3000 CPUs with dual PCIe 4.0 M.2 slots, Wi-Fi 6E and DDR4 up to 128 GB

  • CPU Socket TypeAM4
  • CPU TypeRyzen 5000 Series, Ryzen 4000 G-Series, Ryzen 3000 Series
  • ChipsetAMD B550
  • South BridgeAMD B550
  • Number of Memory Slots4x288pin (DDR4)
  • Memory StandardDDR4 3200

Option B550 GAMING WIFI6E

Les versions barrées existent, mais ne sont pas disponibles ici.

  • Supports Ryzen 5000, 4000 G-Series and 3000 Series CPUs
  • 128GB DDR4 capacity across four 288-pin slots
  • PCIe 4.0 x16 slot delivers up to 64GB/s bandwidth
  • Dual M.2 connectors with one PCIe 4.0 and M.2 Shield Frozr
  • Wi-Fi 6E and 1G LAN for fast wired and wireless networking

Ready for Ryzen 5000 builds

This ATX motherboard uses the AMD B550 chipset and AM4 socket to support Ryzen 5000, 4000 G-Series and 3000 Series desktop processors. It provides four DDR4 slots for up to 128GB of dual-channel memory running at 3200 MT/s with XMP profiles. Integrated Wi-Fi 6E and 1G LAN handle networking without extra cards.

Verify CPU cooler clearance and PSU cables

The board requires an 8-pin EPS connector for its 8 Duet Rail DrMOS 50A power delivery plus a 24-pin ATX main supply. Confirm your case has enough height for the extended heatsink covering the VRM area and that the CPU fan header rated at 2A matches your cooler. Two full-length PCIe x16 slots share bandwidth so check your graphics card fits the primary PCIe 4.0 x16 lane.

Steel-reinforced slots and shielded M.2

The primary PCIe 4.0 x16 slot uses Steel Armour reinforcement for heavy graphics cards while the secondary runs at PCIe 3.0 x16. Two M.2 sockets accept PCIe 4.0 x4 or SATA drives; the top slot includes M.2 Shield Frozr for thermal management. Six SATA 6Gb/s ports and multiple fan headers with Frozr Sync support complete the rear and internal connectivity.

Points forts

  • Supports Ryzen 5000, 4000 G-Series and 3000 Series CPUs
  • 128GB DDR4 capacity across four 288-pin slots
  • PCIe 4.0 x16 slot delivers up to 64GB/s bandwidth
  • Dual M.2 connectors with one PCIe 4.0 and M.2 Shield Frozr
  • Wi-Fi 6E and 1G LAN for fast wired and wireless networking

Caractéristiques

BrandMSI
SeriesGAMING
CPU Socket TypeAM4
CPU TypeRyzen 5000 Series, Ryzen 4000 G-Series, Ryzen 3000 Series
ChipsetAMD B550
South BridgeAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 3200
Maximum Memory Supported128GB
Channel SupportedDual Channel
Memory Performance ProfileIntel XMP
ECC SupportedYes
Buffer SupportedUn-buffered
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express 3.0 x161 x PCI Express 3.0 x16
PCI Express x162 x PCI Express x16
PCI Express x41 x PCI Express x4
PCI Express x11 x PCI Express x1
Serial ATA (SATA)6 x SATA 6Gb/s
M.22 x M.2 (Support PCIe 4.0 x4 & SATA)
Audio ChipsetRealtek ALC897
Audio Channels7.1 Channels
LAN ChipsetRealtek 8111H
Max LAN Speed1Gbps
Wireless LANWiFi IEEE 802.11 a / b / g / n / ac / ax
BluetoothYes
COM1
Video PortsHDMI + Display Port
HDMI1 x HDMI
RJ451 x RJ45
DisplayPort1 x DisplayPort
USB 3.14 x USB 3.1
USB 3.06 x USB 3.0
USB 1.1/2.08 x USB 2.0
USB Type-C1 x USB 5Gbps Type C port, 1 x USB 10Gbps Type C port
Onboard USB3 x USB 3.2 + 4 x USB 2.0
Form FactorATX
LED LightingRGB
Dimensions (W x L)243.84mm x 304.8mm
Windows 11Supported
Poids d’expédition1.54 kg
Dimensions du colis347 × 273 × 72 mm

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

What comes in the box with the MSI B550 GAMING WIFI6E and what must I buy separately?

The motherboard is supplied as the main unit; you will need to purchase an AM4 processor, DDR4 memory modules, storage drives, a power supply, a case and a CPU cooler separately.

Which memory capacity should I choose for the four DDR4 slots on this board?

The board supports up to 128GB across four slots; populate all four with 32GB modules for maximum capacity or use two 16GB modules for 32GB in dual-channel mode.

What does the 64GB/s PCIe 4.0 x16 bandwidth mean for a graphics card installed in the top slot?

The primary x16 slot runs at PCIe 4.0 speeds, delivering up to 64GB/s of bandwidth so a modern GPU can transfer data without a bottleneck.

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