ROG STRIX B850-A GAMING WIFI

CPU
AMD Socket AM5 for Ryzen 9000 / 8000 / 7000 Series

Chipset
AMD B850

Memory
4 x DIMM, max 256GB DDR5
Up to 8000+MT/s (OC)
ECC & Non-ECC, Un-buffered DIMM
Dual Channel, EXPO & AEMP support

Graphics
1 x DisplayPort (8K@30Hz)
1 x HDMI 2.1 (4K@60Hz)
Depends on CPU

Expansion Slots
1 x PCIe 5.0 x16 (Q-Release Slim)
1 x PCIe 4.0 x16 (x4 mode, shared with M.2_3)

Storage
4 x M.2 slots
2 x SATA 6Gb/s
M.2_1: PCIe 5.0 x4 (Ryzen 9000/7000) / PCIe 4.0 x4 (Ryzen 8000)
M.2_2: PCIe 4.0 x4
M.2_3: PCIe 4.0 x4 (shared with PCIEX16(G4))
M.2_4: PCIe 4.0 x4
RAID: 0/1/5/10 (9000), 0/1 (8000), 0/1/10 (7000)

LAN
Intel 2.5Gb Ethernet
ASUS LANGuard

Wireless & Bluetooth
Wi-Fi 7 (802.11be, 2x2, 2.4/5/6GHz)
Bluetooth v5.4
(Full Wi-Fi 7 requires Windows 11 24H2+)

Rear USB
1 x USB-C 20Gbps
3 x USB-A/C 10Gbps
4 x USB-A 5Gbps
2 x USB-A 2.0

Front USB
1 x USB-C 10Gbps
2 x USB-A 5Gbps (via header)
4 x USB 2.0 (via headers)

Audio
ROG SupremeFX ALC4080
7.1 Surround, S/PDIF out, 32-Bit/384kHz support
Savitech AMP, premium capacitors

Back Panel I/O
1 x USB-C 20Gbps
3 x USB 10Gbps
4 x USB 5Gbps
2 x USB 2.0
1 x DisplayPort
1 x HDMI
1 x Intel 2.5Gb Ethernet
1 x Wi-Fi module
2 x Audio jacks
1 x Optical S/PDIF
1 x BIOS FlashBack button
1 x Clear CMOS button

Internal I/O
1 x USB-C 10Gbps
2 x USB 5Gbps
4 x USB 2.0
4 x Chassis fan headers
1 x AIO Pump
1 x Thermal sensor header
1 x Thunderbolt (USB4) header
1 x Power button
1 x Front panel header
3 x ARGB headers
1 x CPU voltage jumper
1 x Audio header

Special Features
Q-Design (Q-Latch, Q-Release, Q-DIMM, Q-LED)
M.2 heatsink backplate
BIOS FlashBack, Clear CMOS
Pre-mounted I/O shield
Aura Sync RGB (Gen 2 headers)
Extreme Engine Digi+, SafeSlot, SafeDIMM

Software
ROG CPU-Z
Dolby Atmos
Armoury Crate
Aura Creator & Sync
Fan Xpert 4
GameFirst, HWiNFO
AIDA64 Extreme (60-day)
Adobe CC (trial), Norton 360 (60-day), WinRAR (40-day)

BIOS
256Mb UEFI AMI BIOS
EZ Flash, MyHotkey, CrashFree BIOS 3

Accessories
2 x SATA cables
WiFi Q-Antenna
M.2 Q-Latch & Q-Slide
ROG keychain & stickers
Quick start guide

Operating System
Windows 11

Form Factor
ATX (30.5cm x 24.4cm)