Description
ASUS ROG STRIX B550-F GAMING WIFI II
PCIe 4.0 ready AM4 platform with Wi-Fi 6E, Intel 2.5Gb Ethernet, and ROG SupremeFX audio — built for AMD Ryzen 5000 and 3000 series processors.
Why Choose This Board
The ROG Strix B550-F Gaming WiFi II is built for users who want PCIe 4.0 storage and graphics support on the AM4 platform without moving to the newer AM5 socket. It combines a robust 12+2 teamed power stage design with comprehensive connectivity options, making it suitable for both gaming builds and productivity systems based on AMD Ryzen 5000 or 3000 series processors.
Key Benefits
PCIe 4.0 Ready
The primary M.2 slot supports PCIe 4.0 x4, delivering faster storage speeds when paired with compatible Ryzen 5000 or 3000 series processors. The primary PCIe x16 slot also supports PCIe 4.0 for current-generation graphics cards.
Wi-Fi 6E + 2.5Gb Ethernet
Onboard Wi-Fi 6E supports the 2.4GHz, 5GHz, and 6GHz bands, while the Intel I225-V controller provides 2.5Gb wired networking for reduced latency and faster file transfers.
ROG SupremeFX Audio
The SupremeFX S1220A codec with dual OP amplifiers delivers 120 dB SNR stereo playback and supports up to 32-bit/192kHz audio for immersive gaming and media experiences.
Aura Sync RGB
Addressable Gen 2 and standard AURA RGB headers allow synchronization with compatible ASUS peripherals and components through Armoury Crate software.
Compatibility
Supported Processors
AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Desktop Processors (Socket AM4). Refer to the ASUS CPU support list for the complete compatibility matrix.
Memory
4 x DDR4 DIMM slots, maximum 128GB capacity. Memory speed support varies by processor generation: up to DDR4 5100 (O.C.) with Ryzen 5000/4000 G-Series, and up to DDR4 4800 (O.C.) with Ryzen 5000/3000 Series. Refer to the ASUS Memory QVL for validated modules.
Storage Configuration Note
When the M.2_2 slot is populated, SATA6G_5/6 ports are disabled. Plan your storage configuration accordingly if you intend to use both M.2 slots and multiple SATA drives.
What’s in the Box
Cables
1 x Addressable RGB extension cable, 4 x SATA 6Gb/s cables
Accessories
1 x ASUS Wi-Fi moving antennas, 1 x Cable ties pack, 1 x M.2 Rubber Package, 1 x M.2 SSD screw package, 1 x ROG key chain, 1 x ROG Strix stickers, 1 x ROG Strix thank you card
Documentation
1 x Support DVD, 1 x User manual
Technical Specifications
| Model Name | ROG STRIX B550-F GAMING WIFI II |
|---|---|
| Brand | ASUS |
| Part Number | 90MB19V0-M0EAY0 |
| CPU Socket | AM4 |
| Chipset | AMD B550 |
| CPU Support | AMD Ryzen 5000 Series / 5000 G-Series / 4000 G-Series / 3000 Series Desktop Processors |
| Memory | 4 x DIMM, Max. 128GB, DDR4 |
| Memory Speed (O.C.) | Up to DDR4 5100 (Ryzen 5000/4000 G-Series); Up to DDR4 4800 (Ryzen 5000/3000 Series) |
| Expansion Slots | 1 x PCIe 4.0 x16 SafeSlot (x16 mode), 1 x PCIe 3.0 x16 (x4 mode), 3 x PCIe 3.0 x1 |
| Storage | 2 x M.2 slots (M.2_1: PCIe 4.0 x4 & SATA; M.2_2: PCIe 3.0 x4 & SATA), 6 x SATA 6Gb/s ports, RAID 0/1/10 |
| Ethernet | Intel I225-V 2.5Gb Ethernet with ASUS LANGuard |
| Wireless | 2×2 Wi-Fi 6E (802.11 a/b/g/n/ac/ax), Supports 2.4/5/6GHz, Bluetooth v5.2 |
| Audio | ROG SupremeFX 7.1-Channel High Definition Audio CODEC S1220A |
| Rear USB | 2 x USB 3.2 Gen 2 (1 x Type-A + 1 x Type-C), 4 x USB 3.2 Gen 1, 2 x USB 2.0 |
| Video Output | 1 x DisplayPort 1.2, 1 x HDMI 2.1 |
| Form Factor | ATX (30.5cm x 24.4cm) |
| Warranty | 3 Years |
Frequently Asked Questions
Does this motherboard support PCIe 4.0?
Yes. The primary M.2 slot and primary PCIe x16 slot support PCIe 4.0 when paired with a compatible AMD Ryzen 5000 or 3000 series processor. The secondary M.2 slot operates at PCIe 3.0.
Can I use both M.2 slots at the same time?
Yes, but note that when the M.2_2 slot is populated, the SATA6G_5 and SATA6G_6 ports are disabled. Plan your storage configuration accordingly.
Is Wi-Fi 6E available on all operating systems?
The 6GHz band requires Windows 11 or later. Wi-Fi 6E availability may also vary by region due to regulatory restrictions.
Does this board support BIOS FlashBack?
Yes. The rear panel includes a BIOS FlashBack button, allowing BIOS updates via USB drive without requiring a CPU or memory installed.
PCIe 4.0 Performance on AM4
The ROG Strix B550-F Gaming WiFi II delivers the connectivity and storage performance modern builds require while remaining on the proven AM4 platform. Backed by ASUS 3-year warranty and Alfrensia support.
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