






ASUS ROG STRIX B850-A GAMING WIFI AM5 Motherboard
- CPU socket
- AM5
- Chipset (MB)
- AMD B850 MB
- Form factor
- ATX
- Supported memory
- DDR5
- Number of memory slots
- 4
Description
ASUS ROG STRIX B850-A GAMING WIFI AM5 is an ATX motherboard for AM5, aimed at mid- to high-end gaming and enthusiast configurations. It is based on the AMD B850 chipset and supports Ryzen 9000, 8000, and 7000 series, giving you a direct upgrade path between several generations of CPUs. The combination of DDR5 memory up to 8000 MHz (OC), four M.2 slots, and built-in Wi-Fi 7 makes it a very flexible platform for a modern gaming build. Add to that the serious built-in audio with ROG SupremeFX, and you can easily save on a separate sound card.
What you get
The AM5 socket and support for Ryzen 9000, 8000, and 7000 give you the freedom to start with a more affordable CPU and later switch to a more powerful model without changing the motherboard. The four slots for DDR5 with a maximum of 256 GB and up to 8000 MHz (OC) are more than enough for heavy gaming, streaming, and productivity, while the dual-channel configuration provides the necessary bandwidth. The four M.2 slots, including an option for PCIe 5.0 x4 with certain processors, allow you to build a fast NVMe storage tree instead of relying on classic SATA drives. The built-in Wi-Fi 7, Bluetooth 5.4, and Intel 2.5Gb Ethernet cover the entire spectrum of networking scenarios – from stable wired gaming to very fast wireless links. The audio subsystem with ROG SupremeFX ALC4080, Savitech amplifier, and support for up to 32-bit/384 kHz is more than sufficient for quality headphones and good speakers.
- The board uses an AM5 socket and AMD B850 chipset, making it compatible with the latest Ryzen 9000, 8000, and 7000 desktop processors.
- It has 4 DIMM slots for DDR5 memory, supporting up to 256 GB total capacity – more than enough for gaming, streaming, and heavy applications.
- Support for memory up to 8000 MHz (OC) and dual-channel mode allows you to squeeze the maximum out of high-frequency DDR5 kits.
- A total of 4 x M.2 slots give you the freedom for fast NVMe SSDs, including an option for PCIe 5.0 x4 or PCIe 4.0 x4 depending on the Ryzen processor used and the chipset lanes.
- For classic storage solutions, you have 2 x SATA 6.0 Gb/s ports with support for RAID 0, 1, and 10 for speed or redundancy.
- The built-in Wi-Fi 7 (802.11be) and Bluetooth 5.4 provide next-generation wireless connectivity for peripherals and networks without cables.
- The wired network is covered by Intel 2.5Gb Ethernet, which is adequate for fast online gaming and large transfers in a local network.
- The audio section with ROG SupremeFX 7.1 ALC4080, Savitech SV3H712 AMP, and premium capacitors supports up to 32-bit/384 kHz for clear sound and quality positioning in games.
Who it is suitable for
This board is suitable for gamers and enthusiasts who want a modern AM5 system with an upgrade path to future Ryzen models and a serious focus on fast DDR5 memory and NVMe storage. It is also suitable for streamers and power users who combine gaming with video editing, 3D work, or heavy multitasking. If you are looking for an ultra-budget AM5 board with a minimal set of extras, this model might be a bit of an “overkill” for you.
The most sensible aspect here is the combination of broad CPU support, aggressive DDR5 capabilities, four M.2 slots, and next-generation network connectivity, all packed into one platform that can easily serve you for several generations ahead.
Full specifications
- Manufacturer
-
ASUS
- CPU socket
-
AM5
- Chipset (MB)
- AMD B850
- Form factor
- ATX
- Supported processors
-
AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors; AMD AM5 Ryzen
- Supported memory
-
DDR5
- Number of memory slots
- 4
- Maximum RAM capacity
- 256 GB
- Memory frequency (MHz)
-
8000(OC) MHz
- Support for dual-channel memory
- Yes
- Built-in Wi-Fi
-
Wi-Fi 7 (802.11be)
- Bluetooth version
- Bluetooth V5.4
- Built-in LAN
-
1 x Intel® 2.5Gb Ethernet
- SATA interface
- 2 x SATA 6.0 Gb/s
- RAID support
- 0,1,10
- Expansion slots
-
AMD Ryzen™ 9000 & 7000 Series Desktop Processors1 x PCIe 5.0 x16 slot with Q-Release SlimAMD Ryzen™ 8000 Series Desktop Processors1 x PCIe 5.0 x16 slot with Q-Rlease Slim (supports PCIe 4.0 x8 or x4 mode)*AMD B850 Chipset1 x PCIe 4.0 x16 slot (supports x4 mode)*** Specifications vary by CPU types.** PCIEX16(G4) slot (supports x4 mode) from AMD B850 Chipset shares bandwidth with M.2_3; PCIe 5.0 x16 slot with Q-Release Slim (AMD Ryzen 9000 & 7000 Series Desktop Processors), PCIe 5.0 x16 slot with Q-Rlease Slim (supports PCIe 4.0 x8 or x4 mode) (AMD Ryzen 8000 Series Desktop Processors)
- Power connector
-
1 x 24-pin Main Power connector24-pin Main Power connector, 2 8-pin +12V CPU Power connector2 x 8-pin +12V Power connector
- BIOS
- 256 Mb Flash ROM, UEFI AMI BIOS;
- Dimensions
- ATX - 30.5 x 24.4 cm
- Processor generation
-
9th generation8th generation7th generation
- Warranty
- 36 months
- Supported technologies
- ROG Exclusive Software, ASUS Exclusive Software: Armoury Crate
- OS
-
Windows 11Support for Windows 10 and 11 64-bit
- Built-in audio
-
ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080, SupremeFX Shielding Technology, Savitech SV3H712 AMP , Rear optical S/PDIF out port, Premium audio capacitorsSavitech SV3H712 AMPPremium audio capacitorsSupports up to 32-Bit/384 kHz playbackROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080
- M2 slot
-
Total supports 4 x M.2 slotsAMD Ryzen™ 7000 & 9000 Series Desktop ProcessorsM.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 ProcessorsM.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 ChipsetM.2_3 (Key M), type 2280 (supports PCIe 4.0 x4)**M.2_4 (Key M), type 2280 (supports PCIe 4.0 x4)* Specifications vary by CPU types.** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will4 M.2 slots (Key M)
- USB ports
-
Rear USB (Total 10 ports)1 x USB 20Gbps port (1 x USB Type-C®)3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®)4 x USB 5Gbps ports (4 x Type-A)2 x USB 2.0 ports (2 x Type-A)Front USB (Total 7 ports)1 x USB 10Gbps connector (supports USB Type-C®)1 x USB 5Gbps header supports 2 additional USB 5Gbps ports2 x USB 2.0 headers support 4 additional USB 2.0 ports* USB Type-C® power delivery output: max. 5V/3A
- Rear I/O panel
-
1 x USB 20Gbps port (1 x USB Type-C®)3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C®)4 x USB 5Gbps ports (4 x Type-A)2 x USB 2.0 ports (2 x Type-A)1 x DisplayPort1 x HDMI™ port1 x Wi-Fi module1 x Intel® 2.5Gb Ethernet port2 x Audio jacks1 x Optical S/PDIF out port1 x BIOS FlashBack™ button1 x Clear CMOS buttonUSB 20Gbps, 3 USB 10Gbps, 4 USB 5Gbps, 2 USB 2.0, DisplayPort, HDMI, 2 Audio jacks, Optical S/PDIF out port
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