ASUS AMD ROG STRIX B850-A GAMING WIFI7 NEO, AM5, 4DIMM, 256GB DDR5, 8400+MT/s, PCIe5.0 x16, x4 M.2, WiFi7, 5GbE, USB20 Gbps, HDMI2.1

ASUS ROG STRIX B850-A GAMING WIFI7 NEO

The ROG STRIX B850-A GAMING WIFI7 Neo motherboard features a sleek white PCB and support for AMD Ryzen™ 9000, 8000, 7000 Series processors, delivering smarter performance and faster connectivity for gaming, creation, and everyday use. Powered by AI technologies — including AI Cache Boost, ASUS AI Advisor, AI Networking II, AI Cooling II and AEMP — it offers a streamlined setup and optimized performance. With support for up to 23 USB ports, enhanced memory routing, EZ PC DIY design, 64MB BIOS, and Realtek ® 5G Ethernet, users can enjoy seamless setup, future-ready compatibility, and ultra-fast, stable networking.

SPECIFICATION

Model

ROG STRIX B850-A GAMING WIFI7 NEO

CPU

AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*

* Refer to https://www.asus.com/support/download-center/ for CPU support list.

Chipset

AMD B850 Chipset

Memory

4 x DIMM slots, max. 256GB, DDR5

Supports up to

8400+MT/s(OC)**/8200+MT/s(OC)*** with Ryzen™ 9000 Series Processors,

9000+MT/s(OC)**/8600+MT/s(OC)*** with Ryzen™ 8000 Series Processors,

8000+MT/s(OC)**/8000+MT/s(OC)*** with Ryzen™ 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/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.

* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

** Max Manual Overclocking: Achievable with advanced BIOS configuration and potentially specialized hardware. Passed AIDA64 memory benchmark at this frequency, verifying read/write bandwidth. Results may vary according to system components.

*** XMP/EXPO/AEMP Profiles: Rated memory module speeds require setting the BIOS performance profile. Results may vary according to system components and can be impacted when four DIMM slots are used. For XMP/EXPO/AEMP profile settings, please visit https://www.asus.com/support/faq/1042256/.

Graphics

1 x HDMI™ port**

* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.

**Supports 4K@60Hz as specified in HDMI 2.1.

*** VGA resolution support depends on processors' or graphic cards' resolution.

Expansion Slots

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*

1 x PCIe 5.0 x16 slot (supports x16 mode)

AMD Ryzen™ 8700 & 8600 & 8400 Series Desktop Processors*

1 x PCIe 5.0 x16 slot (supports PCIe 4.0 x8 mode)

AMD Ryzen™ 8500 & 8300 Series Desktop Processors*

1 x PCIe 5.0 x16 slot (supports PCIe 4.0 x4 mode)

AMD B850 Chipset

1 x PCIe 4.0 x16 slot (supports x4/x2 mode)

* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).

* 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.

RAID Support

AMD RAIDXpert2 Technology

Ryzen™ 9000 & 8000 & 7000 Series Processors: RAID 0/1/5/10

Ethernet

1 x Realtek® 5Gb Ethernet

ASUS LANGuard

BIOS

64MB (512Mb) Flash ROM, UEFI AMI BIOS

Manageability

WOL by PME, PXE

Operating System

Windows 11 (22H2 & later)

Form Factor

ATX Form Factor

12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Warranty: 36 months

Part No.: ROG STRIX B850-A GAMING WIFI7 NEO