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ASUS
ROG STRIX B850-A GAMING WIFI AMD B850 Socket AM5 ATX
MotherboardsAt a glance
Full specification ↓- Chipset
- AMD B850
- CPU socket
- Socket AM5
- Form factor
- ATX
- Supported memory types
- DDR5-SDRAM
- Max memory
- 256 GB
- M.2 slots
- 4
£230.39inc. VAT
£191.99 ex VAT
In stockDispatched from UK distributor stock
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About this product
ASUS ROG STRIX B850-A GAMING WIFI, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, DDR5-SDRAM, 256 GB
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.
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.
Key features
- AMD Socket AM5 AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- PC ATX AMD B850 Realtek ALC4080 7.1 channels
- DDR5-SDRAM 4 DIMM Maximum internal memory: 256 GB
- HDD & SSD M.2, SATA III RAID support Number of storage drives supported: 6
- BIOS type: UEFI AMI 256 Mbit Clear CMOS button
- 2.5 Gigabit Ethernet Wi-Fi Wi-Fi 7 (802.11be) Bluetooth 5.4
Full specification
88 specifications
- Clear CMOS button
- Yes
- BIOS memory size
- 256 Mbit
- BIOS type
- UEFI AMI
- 4th M.2 highest PCI Express generation
- 4.0
- 4th M.2 largest key size
- 2280
- 3rd M.2 highest PCI Express generation
- 4.0
- 3rd M.2 largest key size
- 2280
- 2nd M.2 highest PCI Express generation
- 4.0
- 2nd M.2 largest key size
- 22110
- 1st M.2 highest PCI Express generation
- 5.0
- 1st M.2 largest key size
- 2280
- Number of M.2 (M) slots
- 4
- PCI Express x16 (Gen 4.x) slots
- 1
- Windows operating systems supported
- Windows 11
- Power source type
- ATX
- Motherboard chipset family
- AMD
- Motherboard form factor
- ATX
- Component for
- PC
- Product colour
- White
- Audio output channels
- 7.1 channels
- Audio chip
- Realtek ALC4080
- Motherboard chipset
- AMD B850
- Maximum resolution
- 7680 x 4320 pixels
- On-board graphics card
- No
- Parallel processing technology support
- Not supported
- Number of RGB LED pin headers
- 3
- RGB LED pin header
- Yes
- Thunderbolt headers
- 1
- Number of water pump connectors
- 1
- Number of temperature sensor headers
- 1
- Number of EPS power connectors (8-pin)
- 2
- EPS power connector (8-pin)
- Yes
- Number of chassis fan connectors
- 4
- Number of CPU fan connectors
- 2
- CPU fan connector
- Yes
- ATX Power connector (24-pin)
- Yes
- Front panel connector
- Yes
- Front panel audio connector
- Yes
- Number of SATA III connectors
- 2
- USB 3.2 Gen 2 (3.1 Gen 2) connectors
- 1
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
- 1
- USB 2.0 connectors
- 2
- Unbuffered memory
- Yes
- Maximum internal memory
- 256 GB
- Supported memory clock speed (max)
- 8000 MHz
- ECC сompatibility
- ECC & Non-ECC
- Memory channels
- Dual-channel
- Memory slots type
- DIMM
- Number of memory slots
- 4
- Supported memory types
- DDR5-SDRAM
- Bluetooth version
- 5.4
- Bluetooth
- Yes
- Wi-Fi standards
- Wi-Fi 7 (802.11be)
- Top Wi-Fi standard
- Wi-Fi 7 (802.11be)
- Wi-Fi
- Yes
- Ethernet interface type
- 2.5 Gigabit Ethernet
- Ethernet LAN
- Yes
- Special features
- 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 * 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. 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
- Other features
- 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) * 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/. ** Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
- Graphics output
- 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.
- Audio output
- 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.
- Supported processor sockets
- Socket AM5
- Compatible processor series
- AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- Processor socket
- Socket AM5
- Processor manufacturer
- AMD
- WiFi-AP antenna jack
- 2
- Digital audio optical out
- 1
- S/PDIF out port
- Yes
- Line-in
- Yes
- Headphone outputs
- 1
- DisplayPort version
- 1.4
- DisplayPorts quantity
- 1
- HDMI version
- 2.1
- HDMI ports quantity
- 1
- Ethernet LAN (RJ-45) ports
- 1
- USB 3.2 Gen 2x2 Type-C ports quantity
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 4
- USB 2.0 ports quantity
- 2
- RAID levels
- 0, 1, 5, 10
- RAID support
- Yes
- Number of HDDs supported
- 2
- Number of storage drives supported
- 6
- Supported storage drive interfaces
- M.2, SATA III
- Supported storage drive types
- HDD & SSD
- Depth
- 244 mm
- Width
- 305 mm
Delivery & returns
- Delivery
- UK delivery direct from distributor stock. Delivery details
- Returns
- 14 days to change your mind under your statutory cancellation rights. Returns policy
- Warranty
- Warranty terms — contact support with the part code.
- Payment
- Secure checkout powered by Stripe.
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