| SKU | KBASUAA8B850A00 |
| Barcode | 4711387772676 |
| Model | ROG STRIX B850-A GAMING WIFI |
| CPU socket | Socket AM5 |
| Processor family | AMD Ryzen 5 |
| Processor family | AMD Ryzen 7 |
| Processor family | AMD Ryzen 9 |
| Integrated CPU | No |
| Chipset manufacturer | AMD |
| Chipset type | AMD B850 Chipset |
| Memory type | DDR5 |
| Number of DDR5 slots | 4 |
| Memory bus frequency | 8000 MHz |
| Max memory size | 192 |
| Expansion slots | 4 x M.2 |
| Expansion slots | 2 x PCIe 5.0 x16 |
| Expansion slots | 1 x PCIe 4.0 x 16 |
| Max. number of SATA devices | 2 |
| RAID | Yes |
| Detailed data on disk/drive interfaces | AMD Ryzen 7000 & 9000 Series Desktop Processors M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 5.0x4 mode) M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode) AMD Ryzen 8000 Series Desktop Processors M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 4.0x4 mode) M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4/x2 mode)* AMD B850 Chipset M.2_3 (Key M), type 2280 (supports PCIe 4.0 x4)** M.2_4 (Key M), type 2280 (supports PCIe 4.0 x4) 2 x SATA 6Gb/s ports * Specifications vary by CPU types. ** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled. AMD RAIDXpert2 Technology Ryzen 9000 Series Processors: RAID 0/1/5/10 Ryzen 8000 Series Processors: RAID 0/1 Ryzen 7000 Series Processors: RAID 0/1/10 |
| Graphics | 1 x DisplayPort* 1 x HDMI port** * Supports up to 8K@30Hz according to the DisplayPort 1.4 specification ** Supports 4K@60Hz according to the HDMI 2.1 specification *** VGA resolution support depends on the resolution of the processor or graphics card. |
| Sound card | ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080* Impedance sensing for front and rear headphone outputs Supports: jack detection, streaming, and front-panel microphone jack remapping High-quality stereo playback output with a 120 dB SNR and recording input with a 110 dB SNR Supports playback up to 32-bit/384 kHz on the front panel Audio Features SupremeFX Shielding Technology Savitech SV3H712 Amplifier Rear Optical S/PDIF Output Premium Audio Capacitors Audio Shield *A chassis with a front-panel HD audio module is required for 7.1 Surround Sound audio output. **The rear-panel LINE OUT port does not support surround sound. To enjoy surround sound, connect your audio output device to the front-panel audio jack or use a USB audio device. |
| Network interface | Wi-Fi 802.11a/b/g/n/ac/ax/be |
| Network interface | Bluetooth |
| Network interface | 1 x 10/100/1000/2500 Mbit/s |
| Network interface | Ethernet 1 x Intel 2.5Gb Ethernet ASUS LANGuard Wireless & Bluetooth Wi-Fi 7 2x2 Wi-Fi 7 (802.11be) Supports 2.4/5/6GHz frequency band Supports Wi-Fi 7 160MHz bandwidth, up to 2.9Gbps transfer rate. Bluetooth v5.4 |
| USB ports at back panel | 10 |
| USB ports on motherboard | 7 |
| Number of USB 3.0/USB 3.1 gen 1/USB 3.2 gen 1 ports | 5 |
| Number of USB 3.1/USB 3.1 gen 2/USB 3.2 gen 2 ports | 5 |
| FireWire (IEEE 1394) | No |
| COM connector / port | No |
| LPT connector / port | No |
| External connectors | 1 x Flash BIOS Button |
| External connectors | 4 x USB 3.2 Gen 1 Type-A |
| External connectors | 2 x USB 3.2 Gen 2 Type-A |
| External connectors | 1 x DisplayPort |
| External connectors | 1 x HDMI |
| External connectors | 1 x Line Out |
| External connectors | 1 x MIC |
| External connectors | 1 x RJ-45 |
| External connectors | 1 x S/PDIF |
| External connectors | 2 x USB 2.0 |
| External connectors | 1 x USB 3.2 Gen 2x2 Type-C |
| External connectors | 1 x USB 3.2 Gen 2 Type-C |
| External connectors | 1 x Przycisk Clear CMOS |
| External connectors | 1 x Wi-Fi Module |
| Onboard connectors | 1 x 4-pin water-pump-fan |
| Onboard connectors | 1x CPU/DRAM overvoltage jumper |
| Onboard connectors | 3 x Addressable LED |
| Onboard connectors | 1 x Thermal sensor connector |
| Onboard connectors | 1 x Thunderbolt header |
| Onboard connectors | 1 x USB 3.2 Gen 2 Type-C |
| Onboard connectors | 2 x 8pin 12V |
| Onboard connectors | 1 x 24pin ATX zasilanie |
| Onboard connectors | 4 x M.2 |
| Onboard connectors | 2 x SATA III 6Gb/s |
| Onboard connectors | 2 x USB 2.0/1.1 header |
| Onboard connectors | 1 x USB 3.2 Gen 1 Type-A |
| Onboard connectors | 4 x 4pin Chassis fan |
| Onboard connectors | 1 x 4pin CPU fan |
| Onboard connectors | 1 x 4pin wentylator OPT CPU |
| Onboard connectors | 1 x Front panel audio header |
| Onboard connectors | 1 x Power button |
| Onboard connectors | 1 x System panel header |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
| Form factor | ATX |
| Dimensions | 30.5 cm x 24.4 cm |
| Accessories included | 2 x SATA 6Gb/s Cable ASUS WiFi Q-Antenna Cable Tie Pack M.2 Q-Latch Pack M.2 Q-Slide Pack ROG Keychain ROG Strix Stickers 4 x M.2 Rubber Bands Quick Start Guide |
| Supported operating systems | Windows 11 |
| Software | ROG-exclusive software ROG CPU-Z Dolby Atmos ASUS-exclusive software Armoury Crate - AIDA64 Extreme (60-day free trial) - Aura Creator - Aura Sync - Fan Xpert 4 - GameFirst - HWiNFO - Power Saving ASUS DriverHub ASUS GlideX TurboV Core Adobe Creative Cloud (free trial) Norton 360 for Gamers (60-day free trial) WinRAR (40-day free trial) UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode - ASUS MyHotkey |
| Other information | WOL management via PME, PXE |
| Designation | CE+WEEE |