Asus ROG Strix B550-F Gaming WIFI II Motherboard
MPN ROG-STRIX-B550-F-GAMING-WIFI-II · Brand ASUS · ATX
The ASUS ROG Strix B550-F Gaming WiFi II is an AMD AM4 ATX motherboard with PCIe 4.0, dual M.2 slots, WiFi 6E, Intel 2.5G LAN, 12+2 power stages, SupremeFX audio, and Aura Sync RGB — built for AMD Ryzen 3000 and 5000 Series processors
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Overview
The ASUS ROG Strix B550-F Gaming WiFi II is an ATX form-factor gaming motherboard built on the AMD B550 chipset and compatible with AMD AM4 socket processors, including AMD Ryzen 3000 and 5000 Series as well as Ryzen 4000 and 5000 G-Series desktop CPUs. Designed for enthusiasts who want a feature-rich mid-range platform, it delivers a 12+2 teamed power stage configuration paired with a ProCool power connector, high-quality alloy chokes, and durable capacitors to support stable Zen 3 architecture operation. Storage flexibility is a highlight: the board includes two M.2 slots, both supporting Key M type sizes up to 22110. The first M.2 slot (CPU-connected) supports PCIe 4.0 x4 and SATA modes, while the second (chipset-connected) supports PCIe 3.0 x4 and SATA modes. Note that populating M.2_2 disables SATA ports 5 and 6. Six additional SATA 6 Gb/s ports and SATA RAID 0/1/10 support round out the storage options. Networking is handled by onboard WiFi 6E (802.11a/b/g/n/ac/ax) covering the 6 GHz band for high-throughput wireless, alongside Bluetooth 5.2 and an Intel I225-V controller delivering wired speeds up to 2.5 Gbps. The ROG GameFirst VI utility provides AI-assisted network optimisation for low-latency online gaming. Audio is powered by the ROG SupremeFX S1220A High Definition Audio CODEC with 7.1-channel output, Optical S/PDIF out, and Two-Way AI Noise Cancelation to suppress background noise in both microphone input and incoming audio. DTS Sound Unbound spatial audio is also pre-loaded. For memory, four DDR4 DIMM slots (288-pin, dual-channel, unbuffered) support up to 128 GB with native speeds of DDR4-2133 through DDR4-3200, and overclocked profiles up to DDR4-5100 (OC) depending on processor family. The rear I/O panel includes 2 x USB 3.2 Gen 2 (1 x Type-A, 1 x Type-C), 4 x USB 3.2 Gen 1 Type-A, 2 x USB 2.0, HDMI, DisplayPort, 5 x audio jacks, Optical S/PDIF, Intel 2.5G Ethernet, and a BIOS FlashBack button for CPU-free BIOS updates. Aura Sync RGB lighting with onboard AURA RGB headers and an Addressable Gen 2 header enables ecosystem-wide RGB synchronisation. Verified Specifications: - Chipset: AMD B550 - Socket: AM4 - Form Factor: ATX (12.0" x 9.6") - Memory: 4 x DDR4 DIMM, dual-channel, up to 128 GB, DDR4-2133 to DDR4-5100 (OC) - PCIe: 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16 (x4 mode), 3 x PCIe 3.0 x1 - M.2: 2 x Key M (up to 22110); M.2_1 PCIe 4.0 x4/SATA; M.2_2 PCIe 3.0 x4/SATA - SATA: 6 x SATA 6 Gb/s; RAID 0/1/10 - Audio: SupremeFX S1220A, 7.1-channel - LAN: Intel I225-V, up to 2500 Mbps - Wireless: Wi-Fi 6E (802.11ax), Bluetooth 5.2 - USB Rear: 2 x Gen 2 (Type-A + Type-C), 4 x Gen 1, 2 x USB 2.0 - BIOS: 256 Mb Flash ROM, UEFI AMI BIOS with FlashBack - OS Support: Windows 10 64-bit, Windows 11 64-bit - Warranty: 3 Years
Datasheet
| Memory Type | DDR4 |
|---|---|
| Warranty | 3 Years |
| Form Factor | ATX |
| Chipset | AMD B550 |
| Socket | AM4 |
| CPU Type | Supports AMD Ryzen 5000 / 3000 Series Processors* Supports AMD Ryzen 5000 / 4000 G-Series Processors |
| Max Memory | 128 GB |
| Memory Speed | up to 5100 |
| M.2 | AMD Ryzen 5000 and 3000 Series / 5000 and 4000 G-Series Desktop Processors: M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 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 the M.2_2 Slot is populated , SATA6G_5/6 ports will be disabled |
| Bios | 256 Mb Flash ROM, UEFI AMI BIOS |
| Model | STRIX B550-F GAMING WIFI II |
| Features | Special Features: ASUS Q-Design – ASUS Q-DIMM – ASUS Q-LED (DRAM [yellow],CPU [red], VGA [white], Boot Device [yellow green) – ASUS Q-Slot ASUS Thermal Solution – M.2 heatsink AURA Sync – AURA RGB headers – Addressable Gen 2 RGB headers ASUS EZ DIY – BIOS FlashBack button – BIOS FlashBack LED – Clear CMOS header – ProCool – Pre-mounted I/O shield – SafeSlot 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 – AIDA64 Extreme (60 days free trial) – Aura Creator – Aura Sync – Two-Way AI Noise Cancelation AI Suite 3: – Performance And Power Saving Utility EPU DIGI+ VRM Fan Xpert 4 TurboV EVO – EZ update WinRAR DAEMON Tools Norton Anti-virus software (Free Trial version) UEFI BIOS ASUS EZ DIY – ASUS CrashFree BIOS 3 – ASUS EZ Flash 3 – ASUS UEFI BIOS EZ Mode |
| Bluetooth | Bluetooth 5.2 |
| 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) |
| Sata Raid | 2000/1/10 |
| Sata 6Gb/S | 6 x SATA 6Gb/s |
| Lan Chipset | Intel I225-V |
| Onboard USB | 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports |
| Led Lighting | RGB |
| Wireless Lan | Wi-Fi 6E 802.11a/b/g/n/ac/ax |
| Audio Chipset | ROG SupremeFX High Definition Audio CODEC S1220A |
| ECC Supported | ECC Memory (ECC mode) support varies by CPU |
| Manageability | WOL by PME, PXE |
| Max Lan Speed | 10/100/1000/2500Mbps |
| Audio Channels | 7.1 Channels |
| Back I/O Ports | 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports 1 x Wi-Fi Module 1 x DisplayPort 1 x HDMI port 1 x Intel I225-V 2.5G Ethernet 1 x Optical S/PDIF out 5 x Audio jacks 1 x BIOS FlashBack button |
| Pci Express X1 | 3 x PCIe 3.0 x1 |
| CPU Socket Type | AM4 |
| Memory Standard | DDR4 5100(OC) / 4866(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 5000 and 4000 G-Series Processors) DDR4 4800(OC) / 4666(OC) / 4600(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 5000 and 3000 Series Processors) |
| Buffer Supported | Un-buffered |
| Operating System | Windows 10 64-bit, Windows 11 64-bit |
| Other Connectors | Fan and cooling related 1 x 4-Pin AIO_Pump header 1 x 4-Pin CPU fan header 1 x 4-Pin CPU_OPT fan header 3 x 4-Pin Chassis fan headers Miscellaneous 1 x Addressable Gen 2 header 2 x AURA RGB headers 1 x Clear CMOS header 1 x Front panel audio header (AAFP) 1 x 20-3 pin System Panel header with Chassis intrude function 1 x Thermal sensor header 1 x Thunderbolt header |
| Channel Supported | Dual Channel |
| Dimensions (W X L) | 12.0" x 9.6" |
| Pci Express 3.0 X16 | 1 x PCI Express 3.0 x16* * Supports x4 mode. * Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3 |
| Pci Express 4.0 X16 | 1 x PCI Express 4.0 x16 |
| Onboard Video Chipset | Supported only by CPU with integrated graphic |
| Number Of Memory Slots | 4×288pin |
| Maximum Memory Supported | 128GB |
| Platform | AMD |
| Graphics Port | HDMI, DisplayPort |
| Memory Feature | ECC Supported Buffer Supported |
| Expansion Slots | PCI Express 4.0 x16 : 1 x PCI Express 4.0 x16 1 x PCI Express 3.0 x16* PCI Express 3.0 x16 : * Supports x4 mode. * Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3. PCI Express x1 : 3 x PCIe 3.0 x1 |
| Wireless Networking | WiFi 6E,Bluetooth 5.2 |
| Back Panel I/O Ports | 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports 1 x Wi-Fi Module 1 x DisplayPort 1 x HDMI port 1 x Intel I225-V 2.5G Ethernet 1 x Optical S/PDIF out 5 x Audio jacks 1 x BIOS FlashBack button |
| Internal I/O Connector | Onboard USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Fan and cooling related 1 x 4-Pin AIO_Pump header 1 x 4-Pin CPU fan header 1 x 4-Pin CPU_OPT fan header 3 x 4-Pin Chassis fan headers Other Connectors Miscellaneous 1 x Addressable Gen 2 header 2 x AURA RGB headers 1 x Clear CMOS header 1 x Front panel audio header (AAFP) 1 x 20-3 pin System Panel header with Chassis intrude function 1 x Thermal sensor header 1 x Thunderbolt header |




