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ASUS ROG STRIX B850-A GAMING WIFI AM5 Motherboard

321.00 €
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Delivery up to 15 days
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ASUS
CPU socket
AM5
Chipset (MB)
AMD B850 MB
Form factor
ATX
Supported memory
DDR5
Number of memory slots
4
View all specifications

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 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 or x4 mode)*
AMD B850 Chipset
1 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 connector
24-pin Main Power connector, 2 8-pin +12V CPU Power connector
2 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 generation
8th generation
7th generation
Warranty
36 months
Supported technologies
ROG Exclusive Software, ASUS Exclusive Software: Armoury Crate
OS
Windows 11
Support 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 capacitors
Savitech SV3H712 AMP
Premium audio capacitors
Supports up to 32-Bit/384 kHz playback
ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080
M2 slot
Total supports 4 x M.2 slots
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)
* Specifications vary by CPU types.
** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will
4 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 ports
2 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 DisplayPort
1 x HDMI™ port
1 x Wi-Fi module
1 x Intel® 2.5Gb Ethernet port
2 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button
1 x Clear CMOS button
USB 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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