Does this motherboard support PCIe bifurcation or does it just bundle a nvme RAID card without being able to set up RAID?

The motherboard comes with a bundled ASUS Hyper M.2 x16 Gen 4 Card, which suggests support for NVMe RAID setups. However, specific support for PCIe bifurcation settings is not explicitly mentioned.

The ASUS ROG Strix B550-XE Gaming WiFi motherboard has the following fan connectors: 1 x CPU Fan connector, 1 x CPU OPT Fan connector, and 3 x Chassis Fan connectors.

The motherboard dimensions are 12.0 inches by 9.6 inches.

Is the Asus Rog Strix B550 - XE ryzen 5k ready out of the box or would does it require bios update?

The ASUS ROG Strix B550-XE Gaming WiFi motherboard supports AMD Ryzen 5000 Series desktop processors, indicating that it is Ryzen 5000 ready out of the box.

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ASUS ROG Strix B550-XE Gaming WiFi AMD AM4 (Zen 3/3rd Gen Ryzen) ATX Gaming Motherboard (PCIe 4.0, WiFi 6, 2.5Gb LAN, 16 (90A) Power Stages, Bundled ASUS Hyper M.2 x16 Gen 4 Card, Addressable Gen 2 RGB and AURA Sync)

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AMD B550
AMD AM4 Socket for AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Desktop Processors
AMD Ryzen 5000 Series / 3000 Series Desktop Processors:
4866(O.C)/ 4600(O.C)/ 4400(O.C)/ 4266(O.C)/ 4133(O.C)/ 4000(O.C)/ 3866(O.C)/ 3600(O.C)/ 3466(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz, Un-buffered Memory
AMD Ryzen 4000 G-Series Desktop Processors:
DDR4 5100(O.C)/ 4800(O.C.)/ 4600(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

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Model
Brand	ASUS
Series	ROG
Model	Strix B550-XE Gaming WiFi

Supported CPU
CPU Socket Type	AM4
CPU Type	AMD AM4 Socket for AMD Ryzen 5000 Series / 4000 G-Series / 3000 Series Desktop Processors

Chipsets
Chipset	AMD B550

Memory
Number of Memory Slots	4x288pin (DDR4)
Memory Standard	AMD Ryzen 5000 Series / 3000 Series Desktop Processors: 4866(O.C)/ 4600(O.C)/ 4400(O.C)/ 4266(O.C)/ 4133(O.C)/ 4000(O.C)/ 3866(O.C)/ 3600(O.C)/ 3466(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz, Un-buffered Memory AMD Ryzen 4000 G-Series Desktop Processors: DDR4 5100(O.C)/ 4800(O.C.)/ 4600(O.C)/ 4400(O.C)/ 4266(O.C.)/ 4133(O.C.)/ 4000(O.C.)/ 3866(O.C.)/ 3600(O.C.)/ 3466(O.C.)/ 3200/ 3000/ 2800/ 2666/ 2400/ 2133 MHz Un-buffered Memory
Maximum Memory Supported	128GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 4.0 x16	AMD Ryzen 5000 Series / 3000 Series Desktop Processors* 2 x PCIe 4.0 x16 SafeSlots (support x16 or x8/x8 modes) AMD Ryzen 4000 G-Series Desktop Processors 2 x PCIe 3.0 x16 SafeSlots (support x16 or x8/x8 modes)
PCI Express 3.0 x16	AMD B550 chipset 1 x PCIe 3.0 x16 slot (supports x4 mode)* * PCIEX16_3 shares bandwidth with PCIEX1_1 and PCIE X1_2.
PCI Express x16	None
PCI Express x1	2 x PCIe 3.0 x1 slots

Storage Devices
Serial ATA (SATA)	6 x SATA 6Gb/s
M.2	AMD Ryzen 5000 Series / 3000 Series Desktop Processors* M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen 4000 G-Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) AMD B550 chipset M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) * When M.2_2 slot is populated, SATA6G_5/6 ports will be disabled
SATA RAID	0/1/10

Onboard Video
Onboard Video Chipset	Supported only by CPU with integrated graphic 1 x DisplayPort 1.2 1 x HDMI 2.1 (4K@60HZ) * Graphics specifications may vary between CPU types.

Onboard Audio
Audio Chipset	ROG SupremeFX Surround Sound High Definition Audio CODEC S1220A
Audio Channels	7.1 Channels * Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 7.1-Channel audio.

Onboard LAN
LAN Chipset	Intel I225-V
Max LAN Speed	2.5Gbps
Wireless LAN	Intel Wi-Fi 6 AX200 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) support 1024QAM/OFDMA/MU-MIMO Supports up to 2.4/5GHz transfer speed Supports channel bandwidth: HT20/HT40/HT80/HT160
Bluetooth	Bluetooth v5.1 * BT 5.1 function will be ready in Windows 10 build 19041 or later

Rear Panel Ports
Back I/O Ports	3 x USB 3.2 Gen 2 ports (2 x Type-A + 1 x USB Type-C) 4 x USB 2.0 ports 1 x USB 2.0 port (1 x audio USB Type-C) 1 x DisplayPort 1 x HDMI port 1 x ASUS Wi-Fi Module 1 x Intel I225-V 2.5Gb Ethernet port 5 x Audio jacks 1 x BIOS FlashBack button
HDMI	1 x HDMI
USB 3.0	5 x USB 3.0

Internal I/O Connectors
Onboard USB	1 x USB 3.2 Gen2 connector support additional 1 USB ports (20-pin, Type-C) 1 x USB 3.2 Gen 1 (up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
Other Connectors	1 x CPU Fan connector(s) 1 x CPU OPT Fan connector(s) 3 x Chassis Fan connector(s) 1 x AIO_PUMP connector 1 x AAFP connector 2 x Aura RGB Strip Header(s) 2 x Addressable Gen 2 header(s) 1 x Thunderbolt header(s) 1 x System panel(s) 1 x Thermal sensor connector(s) 1 x Clear CMOS jumper(s) 1 x Q-Code

Physical Spec
Form Factor	ATX
LED Lighting	RGB
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x 4-pin ATX 12V Power connector(s)

Software Feature
Windows 11	Supported

Features
Features	Multi-GPU Support: Supports NVIDIA 2-Way SLI Technology Supports AMD 3-Way CrossFireX Technology Software Features: ROG Exclusive Software - RAMCache III - ROG CPU-Z - GameFirst VI - Sonic Studio III + Sonic Studio Virtual Mixer - Sonic Radar III - DTS Sound Unbound - Overwolf - Anti-virus software ASUS Exclusive Software Features Armoury Crate - Aura Creator - Aura Sync Ai noise cancelling microphone AI Suite 3: - 5-way Optimization TPU EPU DIGI+ VRM Fan Xpert 4 Turbo APP - EZ update WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode FlexKey ASUS Special Features: Aura Sync - Standard RGB header(s) - Addressable Gen 2 RGB header(s) ASUS Q-Design - ASUS Q-CODE - ASUS Q-DIMM - ASUS Q-LED (DRAM [yellow], CPU [red], VGA [white], Boot Device [yellow green) - ASUS Q-Slot ASUS Thermal Solution - Aluminum M.2 heatsink ASUS EZ DIY -BIOS Flashback button -BIOS FlashBack LED -Clear CMOS header -Procool -Pre-mounted I/O shield - SafeSlot Rear audio USB Type-C connector BIOS: 256MB Flash ROM, UEFI AMI BIOS Manageability: WOL by PME, PXE Operating System: Windows 10 64-bit

Packaging
Package Contents	Accessories: User's manual 4 x SATA 6Gb/s cable(s) 1 x Supporting DVD 1 x ROG Strix stickers 1 x Cable ties pack(s) 1 x Extension Cable for RGB strips (80 cm) 1 x Extension cable for Addressable LED 1 x ROG Thank you card 1 x Wi-Fi moving antenna 5 x M.2 SSD screw package(s) 3 x M.2 Rubber Package(s) 1 x ROG audio USB Type-C® cable 1 ROG key chain 1 x Hyper M.2 x16 Gen 4 Card

Additional Information
First Listed on Newegg	May 31, 2026

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ASUS ROG Strix B550-XE Gaming WiFi AMD AM4 (Zen 3/3rd Gen Ryzen) ATX Gaming Motherboard (PCIe 4.0, WiFi 6, 2.5Gb LAN, 16 (90A) Power Stages, Bundled ASUS Hyper M.2 x16 Gen 4 Card, Addressable Gen 2 RGB and AURA Sync)

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