MAINBOARD (เมนบอร์ด) ASUS ROG STRIX B850-A GAMING WIFI (AMD SOCKET AM5 DDR5 ATX)

• Socket AM5 for AMD Ryzen 7000, 8000, 9000 Series Processors • AMD B850 • DDR5, 4 x DIMM • 1 x DP • 1 x HDMI • 4 x M.2 • 2 x SATA3 • 1 x USB 10Gbps Type-C connector (front) • 1 x USB 20Gbps Type-C (rear) • 1 x USB 10Gbps Type-C (rear) • 2 x USB 10Gbps Type-A (rear) • 4 x USB 5Gbps Type-A (rear) • 2.5Gb Ethernet • Wi-Fi 7 • Bluetooth v5.4

Model

Brand : Asus

Model : ROG STRIX B850-A GAMING WIFI

CPU

Socket : AM5 (7000 Series - Raphael) , AM5 (8000 / 8000 G Series - Phoenix) , AM5 (9000 Series - Granite Ridge)

Wattage : 170W

Chipset : AMD B850

Series : Ryzen 3 , Ryzen 5 , Ryzen 7 , Ryzen 9

Memory

Slot : 4

Memory Type : DDR5

Max. Capacity : 192 GB

Speed : 4800 , 5200 (OC) , 5400 (OC) , 5600 (OC) , 5800 (OC) , 6000 (OC) , 6200 (OC) , 6400 (OC) , 6600 (OC) , 6800 , 7000 (OC) , 7200 (OC) , 7400 (OC) , 7600 (OC) , 7800 (OC) , 8000 (OC)

Graphic & Audio

Graphic :

- 1 x DisplayPort*

- 1 x HDMI port**

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- 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.

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.

Storage

SATA 2 : - Port

SATA 3 : 2 Port

RAID : AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1. RAID 5 Function is only supported by AMD Ryzen 9000 series CPU.

M.2 : 4 x M.2 slots

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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)**

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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)

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** 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. Port

Expansion Slots

Details

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/x4 mode)**

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AMD B850 Chipset

- 1 x PCIe 4.0 x16 slot (supports x4 mode)*

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* PCIEX16(G4) slot (supports x4 mode) from AMD B850 Chipset shares bandwidth with M.2_3

** Specifications vary by CPU types.

- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.

Slot : 1 x PCIe 4.0 x16 Slot , 1 x PCIe 5.0 x16 Slot

Network

LAN : Intel 2.5Gb Ethernet

LAN Speed : 100 / 1000 / 2500 Mbps

Wireless : 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***

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*Wi-Fi features may vary depending on the operating system

For Windows 11, Wi-Fi 7 will require 24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only supports Wi-Fi 6E.

For Windows 10, only Wi-Fi 6 is supported.

** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.

*** The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.

Back Panel I/O Ports

USB 2.0 : 2 Port

USB 3.0 : - Port

USB 3.1 : - Port

Serial : - Port

USB 3.2 :

1 x USB 20Gbps (1 x USB Type-C)

3 x USB 10Gbps (2 x Type-A + 1 x USB Type-C)

4 x USB 5Gbps (4 x Type-A) Port

D-Sub (VGA) : - Port

DVI : - Port

HDMI : 1 Port

DisplayPort : 1 Port

Audio :

2 x Audio jacks

1 x Optical S/PDIF out Port

PS/2 : No

Additional :

1 x Wi-Fi module

1 x BIOS FlashBack button

1 x Clear CMOS button

LAN : 1 Port

Form Factor

Form Factor : ATX

Power Connector : 24 + 8 + 8 Pin

Dimension : 30.5 x 24.4 cm

Warranty