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.

GIGABYTE B550 EAGLE WIFI6 Motherboard, Supports AMD AM4 Ryzen 5000 Processors, ATX, DDR4, 2x M.2, PCIe 4.0, WIFI6, 1GbE LAN, EZ-Latch

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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	June 21, 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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