ASUS ROG STRIX B850-A GAMING WIFI AMD B850 Socket AM5 ATX (90MB1J50-M0EAY0)

ROG STRIX B850-A gaming wifi

Elevate your build with the ROG Strix B850-A Gaming WiFi. Featuring a sleek white PCB and support for AMD Ryzen™ 9000 Series processors, this motherboard delivers the power and connectivity needed for advanced AI applications. With DDR5 support, full PCIe 5.0 capabilities, USB 20Gbps port, and WiFi 7, it's the ultimate blend of style and performance.

Specifications

Processor manufacturer: AMD
Processor socket: Socket AM5
Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets: Socket AM5
Supported memory types: DDR5-SDRAM
Number of memory slots: 4
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: ECC & Non-ECC
Supported memory clock speed (max): 8000 MHz
Maximum internal memory: 256 GB
Unbuffered memory: Yes
Supported storage drive types: HDD & SSD
Supported storage drive interfaces: M.2, SATA III
Number of HDDs supported: 2
Number of storage drives supported: 6
RAID support: Yes
RAID levels: 0, 1, 5, 10
Parallel processing technology support: Not supported
On-board graphics card: No
Maximum resolution: 7680 x 4320 pixels
USB 2.0 connectors: 2
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
USB 3.2 Gen 2 (3.1 Gen 2) connectors: 1
Number of SATA III connectors: 2
Front panel audio connector: Yes
Front panel connector: Yes
ATX Power connector (24-pin): Yes
CPU fan connector: Yes
Number of CPU fan connectors: 2
Number of chassis fan connectors: 4
EPS power connector (8-pin): Yes
Number of EPS power connectors (8-pin): 2
Thunderbolt headers: 1
Number of water pump connectors: 1
Number of temperature sensor headers: 1
RGB LED pin header: Yes
Number of RGB LED pin headers: 3
USB 2.0 ports quantity: 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1
USB 3.2 Gen 2x2 Type-C ports quantity: 1
Ethernet LAN (RJ-45) ports: 1
HDMI ports quantity: 1
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone outputs: 1
Line-in: Yes
S/PDIF out port: Yes
Digital audio optical out: 1
WiFi-AP antenna jack: 2
Ethernet LAN: Yes
Ethernet interface type: 2.5 Gigabit Ethernet
Wi-Fi: Yes
Top Wi-Fi standard: Wi-Fi 7 (802.11be)
Wi-Fi standards: Wi-Fi 7 (802.11be)
Bluetooth: Yes
Bluetooth version: 5.4
Motherboard chipset: AMD B850
Audio chip: Realtek ALC4080
Audio output channels: 7.1 channels
Product colour: White
Component for: PC
Motherboard form factor: ATX
Motherboard chipset family: AMD
Power source type: ATX
Windows operating systems supported: Windows 11
PCI Express x16 (Gen 4.x) slots: 1
Number of M.2 (M) slots: 4
1st M.2 largest key size: 2280
1st M.2 highest PCI Express generation: 5.0
2nd M.2 largest key size: 22110
2nd M.2 highest PCI Express generation: 4.0
3rd M.2 largest key size: 2280
3rd M.2 highest PCI Express generation: 4.0
4th M.2 largest key size: 2280
4th M.2 highest PCI Express generation: 4.0
BIOS type: UEFI AMI
BIOS memory size: 256 Mbit
Clear CMOS button: Yes
Width: 305 mm
Depth: 244 mm
Audio output: <strong>ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*</strong><br /> - Impedance sense for front and rear headphone outputs<br /> - Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking<br /> - High quality 120 dB SNR stereo playback output and 110 dB SNR recording input<br /> - Supports up to 32-Bit/384 kHz playback on front panel<br /><strong>Audio Features <br /></strong>- SupremeFX Shielding Technology<br />- Savitech SV3H712 AMP<br />- Rear optical S/PDIF out port<br />- Premium audio capacitors<br />- Audio cover<br />* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. <br />** 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.
Special features: <strong>Total supports 4 x M.2 slots and 2 x SATA 6Gb/s ports<br /><br />AMD Ryzen™ 7000 & 9000 Series Desktop Processors<br /></strong>M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 5.0x4 mode)<br />M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4 mode)<br /><strong>AMD Ryzen™ 8000 Series Desktop Processors<br /></strong>M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 4.0x4 mode)<br />M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4/x2 mode)*<br /><br /><strong>AMD B850 Chipset<br /></strong>M.2_3 (Key M), type 2280 (supports PCIe 4.0 x4)**<br />M.2_4 (Key M), type 2280 (supports PCIe 4.0 x4)<br />2 x SATA 6Gb/s ports<br />* Specifications vary by CPU types.<br />** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled.<br /><strong><br />AMD RAIDXpert2 Technology<br /></strong>Ryzen™ 9000 Series Processors: RAID 0/1/5/10<br />Ryzen™ 8000 Series Processors: RAID 0/1<br />Ryzen™ 7000 Series Processors: RAID 0/1/10
Other features: 4 x DIMM slots, max. 256GB, DDR5<br />Supports up to 8000+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors<br /> ECC and Non-ECC, Un-buffered DIMM<br />Dual channel memory architecture<br />Supports AMD Extended Profiles for Overclocking (EXPO^™)<br />ASUS Enhanced Memory Profile (AEMP)<br />* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/.<br />** Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
Graphics output: 1 x DisplayPort*<br />1 x HDMI™ port**<br />- Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.<br />* Supports max. 8K@30Hz as specified in DisplayPort 1.4<br />** Supports 4K@60Hz as specified in HDMI 2.1<br />*** VGA resolution support depends on processors' or graphic cards' resolution.

Manufacturer part number: 90MB1J50-M0EAY0