ASUS ROG STRIX B850-A GAMING WIFI

B850 · AM5 · ATX · DDR5

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Chipset B850
Form factor ATX
Memory slots 4
Max memory 192 GB
Socket AM5
Memory type DDR5

ASUS ROG STRIX B850-A GAMING WIFI is an ATX and B850 chipset motherboard for AM5 processors and DDR5 memory. It came out in 2024.

Released: 2024-12-04
Socket: AM5

Specifications

Key specs

Chipset: B850
Form factor: ATX
Memory slots: 4
Max memory: 192 GB
Socket: AM5
Memory type: DDR5
Released: 2024-12-04
Part number: 90MB1J50-M0EAY0

Processor

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

Memory

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: 192 GB
Unbuffered memory: Yes

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Storage controllers

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

Graphics

Parallel processing technology support: Not supported
Maximum resolution: 7680 x 4320 pixels

Internal I/O

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

Rear panel I/O ports

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

Network

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

Features

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

Expansion slots

PCI Express x16 (Gen 4.x) slots: 1
PCI Express x16 (Gen 5.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

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit
Clear CMOS button: Yes

Weight & dimensions

Width: 305 mm
Depth: 244 mm

Other features

Weight: 2.04 kg
Quick installation guide: Yes

Check the manufacturer's page before buying.

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Compatible processors

AM5 socket

AMD Ryzen 7 9800X3D8 cores · 16 threads
AMD Ryzen 5 76006 cores · 12 threads
AMD Ryzen 7 7800X3D8 cores · 16 threads
AMD Ryzen 5 9600X6 cores · 12 threads
AMD Ryzen 5 7500F6 cores · 12 threads
AMD Ryzen 5 8600G6 cores · 12 threads
AMD Ryzen 9 9950X16 cores · 32 threads
AMD Ryzen 7 77008 cores · 16 threads

Compatible memory

DDR5

Kingston FURY Beast 32GB (2x16) DDR5-6000 CL3632 GB (2x16) · DDR5
ADATA XPG Lancer RGB 32GB (2x16) DDR5-6000 CL3032 GB (2x16) · DDR5
Klevv Urbane V RGB32 GB (2x16) · DDR5
Klevv 32GB (2X16GB) 6000MHz CL28 DDR5 GAMING RAM MODULE 28-36-36-76 1.4V CRAS V RGB WHITE KIT32 GB (2x16) · DDR5
Klevv Bolt V32 GB (2x16) · DDR5
Klevv Fit V16 GB (1x16) · DDR5
Kingston 16GB 5600MT/s DDR5 CL40 DIMM FURY Beast White XMP16 GB (1x16) · DDR5
VeloxStor 7011-DDR, 16 GB, DDR5, 4800 MT/s, 288-pin UDIMM16 GB (1x16) · DDR5

About this product

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.

ASUS AI INTELLIGENCE ASUS AI ADVISOR

Using AI technology to understand natural-language questions or scenario descriptions, ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way. *Availability of ASUS AI Advisor may vary by region. **AI Advisor functions may vary by platform.

AI NETWORKING II

AI Networking II combines intelligent technologies to continuously optimize network performance, provide trustworthy and seamless connectivity, and unleash the full speed of WiFi 7*. *Features may vary by model.

OVERCLOCKING PBO ENHANCEMENT

AMD Precision Boost Overdrive (PBO) pushes the CPU current and voltage budget to opportunistically increase performance.

User manual (PDF)

ROG STRIX B850-A GAMING WIFI vs similar motherboards

	ASUS ROG STRIX B850-A GAMING WIFI	ASUS ROG STRIX B850-E GAMING WIFI	ASUS TUF GAMING B850-PLUS WIFI	ASUS ROG STRIX B850-F GAMING WIFI
Chipset	B850	B850	B850	B850
Form factor	ATX	ATX	ATX	ATX
Memory slots	4	4	4	4
Max memory	192 GB	192 GB	192 GB	192 GB
Socket	AM5	AM5	AM5	AM5
Memory type	DDR5	DDR5	DDR5	DDR5
Released	2024	2024	2024	—