ASUS B850-A ROG STRIX GAMING WIFI 7 DDR5 ATX Motherboard

Model:
ROG STRIX B850-A GAMING WIFI

CPU:
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors

Chipset:
AMD B850 Chipset

Memory:
4 x DIMM slots, max. 256GB, DDR5
Supports up to 8000+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors
 ECC and Non-ECC, Un-buffered DIMM
Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
ASUS Enhanced Memory Profile (AEMP)

Graphics:
1 x DisplayPort*
1 x HDMI™ port**
- Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
* Supports max. 8K@30Hz as specified in DisplayPort 1.4
** Supports 4K@60Hz as specified in HDMI 2.1
*** VGA resolution support depends on processors' or graphic cards' resolution.

Expansion Slots:
AMD Ryzen™ 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot with Q-Release Slim
AMD Ryzen™ 8000 Series Desktop Processors
1 x PCIe 5.0 x16 slot with Q-Rlease Slim (supports PCIe 4.0 x8 or x4 mode)
AMD B850 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)

Storage:
Total supports 4 x M.2 slots and 2 x SATA 6Gb/s ports

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

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

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:
Rear USB (Total 10 ports)
1 x USB 20Gbps port (1 x USB Type-C®)
3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®)
4 x USB 5Gbps ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)

Front USB (Total 7 ports)
1 x USB 10Gbps connector (supports USB Type-C®)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
* USB Type-C® power delivery output: max. 5V/3A

Audio:
ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
 - Impedance sense for front and rear headphone outputs
 - Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
 - High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
 - Supports up to 32-Bit/384 kHz playback on front panel
Audio Features 
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. 
** The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make sure to connect your audio output device to the audio jack on the front panel of your chassis or use a USB interface audio device.

Back Panel I/O Ports:
1 x USB 20Gbps port (1 x USB Type-C®)
3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®)
4 x USB 5Gbps ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI™ port
1 x Wi-Fi module
1 x Intel® 2.5Gb Ethernet port
2 x Audio jacks 
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button 
1 x Clear CMOS button

Internal I/O Connectors:
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
4 x 4-pin Chassis Fan headers
1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
4 x M.2 slots (Key M) 
2 x SATA 6Gb/s ports
1 x USB 10Gbps connector (supports USB Type-C®) 
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
3 x Addressable Gen 2 headers
1 x CPU Over voltage jumper
1 x Front Panel Audio header (F_AUDIO)
1 x Power button 
1 x 10-1 pin Front System Panel header
1 x Thermal Sensor header
1 x Thunderbolt™ (USB4®) header

Special Features:
Extreme Engine Digi+
- 5K Black metallic capacitors 
ASUS Q-Design 
- M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS button
- ProCool
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
- Addressable Gen 2 headers

Software Features:
ROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- AIDA64 Extreme (60 days 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 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
ASUS EZ DIY 
- ASUS CrashFree BIOS 3 
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey

BIOS:
256 Mb Flash ROM, UEFI AMI BIOS

Accessories:
2 x SATA 6Gb/s cables 
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x M.2 Q-Latch package
1 x M.2 Q-Slide package
1 x ROG key chain
1 x ROG Strix stickers
4 x M.2 rubbers
1 x Quick start guide

Operating System:
Windows 11

Form Factor:
ATX Form Factor 
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )