ASUS MB Sc AM5 ROG STRIX B850-A GAMING WIFI7 NEO, AMD B850, 4xDDR5, 1xHDMI

CPU
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
* Refer to https://www.asus.com/support/download-center/ for CPU support list.

Chipset
AMD B850 Chipset

Memory
4 x DIMM slots, max. 256GB, DDR5
Supports up to 8400+MT/s(OC)**/8200+MT/s(OC)*** with Ryzen™ 9000 Series Processors
Supports up to 9000+MT/s(OC)**/8600+MT/s(OC)*** with Ryzen™ 8000 Series Processors
Supports up to 8000+MT/s(OC)**/8000+MT/s(OC)*** with Ryzen™ 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)
* Supported memory types, data rate and number of DRAM modules vary depending on the CPU and memory configuration.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
** Max Manual Overclocking achievable with advanced BIOS configuration. Results may vary.
*** XMP/EXPO/AEMP profile results may vary and can be impacted when four DIMM slots are used.

Graphics
1 x HDMI™ port
* Graphics specifications may vary between CPU types.
** Supports 4K@60Hz as specified in HDMI 2.1.
*** VGA resolution support depends on processor or graphics card.

Expansion Slots
AMD Ryzen™ 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
AMD Ryzen™ 8700 & 8600 & 8400 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports PCIe 4.0 x8 mode)
AMD Ryzen™ 8500 & 8300 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports PCIe 4.0 x4 mode)
AMD B850 Chipset
1 x PCIe 4.0 x16 slot (supports x4/x2 mode)
* Specifications vary by CPU types.
* Please check the PCIe bifurcation table on ASUS support site.

Storage
Total supports 4 x M.2 slots and 2 x SATA 6Gb/s ports
AMD Ryzen™ 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 supports PCIe 5.0 x4 mode
M.2_2 slot (Key M), type 2280 supports PCIe 4.0 x4 mode
AMD Ryzen™ 8700 & 8600 & 8400 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 supports PCIe 4.0 x4 mode
M.2_2 slot (Key M), type 2280 supports PCIe 4.0 x4 mode
AMD Ryzen™ 8500 & 8300 Series Desktop Processors
M.2_1 slot (Key M), type 2242/2260/2280 supports PCIe 4.0 x4 mode
M.2_2 slot (Key M), type 2280 supports PCIe 4.0 x2 mode
AMD B850 Chipset
M.2_3 slot (Key M), type 2280 supports PCIe 4.0 x4/x2 mode
M.2_4 slot (Key M), type 2280 supports PCIe 4.0 x4 mode
2 x SATA 6Gb/s ports
* M.2_3 shares bandwidth with PCIEX16(G4). When both are used, each runs at PCIe 4.0 x2 mode.

RAID Support
AMD RAIDXpert2 Technology
Ryzen™ 9000 & 8000 & 7000 Series Processors support RAID 0/1/5/10

Ethernet
1 x Realtek 5Gb Ethernet
ASUS LANGuard

Wireless & Bluetooth
Wi-Fi 7 (MediaTek MT7925)
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency bands
Supports Wi-Fi 7 160MHz bandwidth
Bluetooth v5.4 with LE Audio
* Wi-Fi and Bluetooth features may vary by operating system and region.

USB
Rear USB total 12 ports
4 x USB 10Gbps (2 x Type-A + 2 x USB Type-C)
6 x USB 5Gbps (6 x Type-A)
2 x USB 2.0 (Type-A)
Front USB total 11 ports
1 x USB 20Gbps connector (USB Type-C)
2 x USB 5Gbps headers support 4 additional USB 5Gbps ports
3 x USB 2.0 headers support 6 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
High quality 120 dB SNR playback and 110 dB SNR recording
Supports up to 32-Bit/384 kHz playback
SupremeFX Shielding Technology
Savitech SV3H712 AMP
Rear optical S/PDIF out
Premium audio capacitors
Dedicated audio PCB layers
Audio cover

Back Panel I/O Ports
USB ports
HDMI™ port
Wi-Fi module
Realtek 5Gb Ethernet
Audio jacks
Optical S/PDIF out
BIOS FlashBack™ button
Clear CMOS button

Internal I/O Connectors
CPU, OPT, AIO and chassis fan headers
24-pin main power connector
2 x 8-pin CPU power connectors
4 x M.2 slots
2 x SATA 6Gb/s ports
USB headers including USB 20Gbps Type-C
Addressable RGB Gen 2 headers
Thunderbolt™ (USB4) header
Front panel connectors
Start button

Special Features
Asynchronous Clock
Extreme Engine Digi+ with 5K black metallic capacitors
ASUS Q-Design
ASUS Thermal Solution
ASUS EZ DIY
Aura Sync

Software Features
ROG Exclusive Software
ASUS Exclusive Software
Armoury Crate
ASUS DriverHub
AIDA64 Extreme trial
Adobe Creative Cloud trial
Norton 360 for Gamers trial
UEFI BIOS utilities

BIOS
512 Mb Flash ROM
UEFI AMI BIOS

Manageability
WOL by PME
PXE

Accessories
2 x SATA 6Gb/s cables
ASUS WiFi Q-Antenna
M.2 Q-Latch package
M.2 Q-Slide package
ROG key chain
ROG Strix stickers
M.2 rubber packages
Quick start guide

Operating System
Windows 11 (22H2 & later)

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