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Black ATX motherboard with large silver heatsinks covering VRM and chipset, ROG branding, four DDR4 slots, dual M.2 shields

ASUS

ASUS ROG Strix B550-E Gaming AMD Motherboard

SKU CH-F6WX-1XM1N

AM4 socket ATX board with 14+2 power stages, PCIe 4.0, WiFi 6, 2.5 Gb LAN and dual M.2 slots for Ryzen 5000 CPUs

  • ProcessorRyzen Series
  • ChipsetAMD B550
  • Form factorATX
  • CPU socketAM4
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 3200
  • PCIe 4.0 support for 3rd Gen Ryzen CPUs via AM4 socket
  • Stable power for high-core CPUs via 14+2 DrMOS stages
  • Passive VRM and chipset cooling with Stack Cool 3+ design
  • Fast networking through WiFi 6 and 2.5 Gb LAN with LANGuard
  • Dual M.2 slots with one PCIe 4.0 x4 plus USB 3.2 Gen 2 Type-C front panel

AM4 Socket Motherboard for 3rd Gen Ryzen

This ATX motherboard uses the AMD B550 chipset and AM4 socket to support 3rd Generation AMD Ryzen processors. It provides four DDR4 memory slots with a maximum capacity of 128 GB running in dual-channel mode. The board includes integrated WiFi 6 and 2.5 Gb LAN for wired and wireless networking.

PCIe 4.0 Support for Graphics and Storage

The platform delivers PCI Express 4.0 on the primary x16 slot and one M.2 connector, enabling full bandwidth for current graphics cards and NVMe SSDs. A second x16 slot and additional M.2 slot operate at PCI Express 3.0 speeds, while six SATA 6 Gb/s ports handle mass storage.

Standard ATX Installation with BIOS Update Step

The board fits standard ATX cases and uses a 24-pin plus 8-pin power configuration with 14+2 DrMOS power stages. A BIOS update may be required before installing AMD Zen 3 Ryzen 5000 series CPUs, which is the most common setup issue. Fanless VRM and chipset heatsinks use the Stack Cool 3+ design for passive thermal management.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $176.99
Cheaper than about 57% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineROG
Model nameSTRIX B550-E GAMING
Processor
ProcessorRyzen Series
CPU socketAM4
ChipsetAMD B550
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 3200
Max supported RAM128 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6Gb/s
M.2 slots2 x M.2
SATA and RAID support0/1/10
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipROG SupremeFX High Definition Audio CODEC S1220A
Sound channels7.1 Channels
Connectivity
Ethernet controllerIntel I225-V
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 ax
Bluetooth supportYes
Ports & slots
PCIe 4.0 x16 slots2 x PCI Express 4.0 x16
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
PCIe x1 slots2 x PCI Express x1
Onboard USB headers3 x USB 3.2 + 4 x USB 2.0
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Questions about this item

What does the 14+2 power stage design mean for a high-core-count Ryzen CPU?

The 14+2 DrMOS power stages with alloy chokes and durable capacitors deliver stable power to high-core-count AMD CPUs under heavy load.

How does the PCIe 4.0 x16 slot and the single M.2 with PCIe 4.0 x4 connectivity affect graphics card and SSD bandwidth?

The primary PCIe 4.0 x16 slot provides full bandwidth for compatible graphics cards, while one M.2 slot supports NVMe SSDs at PCIe 4.0 x4 speeds.

What clearance and mounting points does the ATX board with fanless VRM and chipset heatsinks need in a case?

The ATX form factor requires standard ATX mounting points and enough vertical clearance for the fanless VRM and chipset heatsinks.

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