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ASUS · AM5 · B850

ASUS ROG Strix B850-G Gaming WiFi

Micro-ATX · DDR5 · 4 DIMMs · 14-phase VRM · 7

Quality
72
VRM
60
Value
65
Amazon
$210
ASUS ROG Strix B850-G Gaming WiFi
View ASUS ROG Strix B850-G Gaming WiFi Gallery in high resolution
$210
Available Updated 2 days, 11 hours ago Prime FBA
Overall71.8
VRM60.0
Chipset89.0
Expansion / storage56.0
Connectivity73.0
Audio81.0
Quality / price65.0
$210 on Amazon Motherboard table Compare this motherboard

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Written analysis

ASUS ROG Strix B850-G Gaming WiFi at a glance

The ASUS ROG Strix B850-G Gaming WiFi uses the Micro-ATX form factor, AM5 socket, and B850 chipset. This is a balanced mainstream platform: enough expansion and connectivity for a performance PC without paying only for flagship extras.

Memory support is DDR5 across 4 DIMM slots, with up to 256 GB and rated overclocked speeds up to 8000 MT/s. ECC modules are accepted, subject to CPU support. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a performance gaming and productivity PC that needs a balanced board without workstation-class excess.

Power delivery

The calculated VRM score is 60.0, placing the power delivery in the upper mid-range class. The board lists 14 CPU power phases, 80 A power stages in a 14+2+1 layout. CPU power input is listed as 2. It suits performance processors at stock; sustained extreme overclocking is not its main purpose.

Expansion and storage

The expansion and storage score is 56.0: balanced . The platform supports PCIe 5.0. Physical expansion includes 1 ×16 slot.

On-board storage consists of 4 M.2 slots supporting Supports PCIe 5.0/4.0 in x4 and x2 modes, depending on the CPU and M.2 slot. and 2 SATA ports. Supported M.2 lengths are listed as 2242, 2260, 2280. That is enough NVMe capacity for a multi-drive gaming or creator setup without immediately relying on an add-in card.

Connectivity and rear I/O

The connectivity score is 73.0, rated strong . Wireless networking is Wi-Fi 7 ; wired networking is Intel® 2.5Gb Ethernet at up to 2500 Mbps. Bluetooth 5.4 is included. The recorded USB provision is 10 rear connections and 1 front-panel connections. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, DisplayPort 1.4. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 81.0. This is a high-end onboard implementation using Realtek ALC1220P, suitable for good headsets, powered speakers, and everyday content work. The rear panel has 2 analogue jacks. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 71.80, a strong performance-class result. This is the practical sweet spot for a powerful gaming or productivity PC without paying for every flagship extra.

At the recorded Amazon price, the quality-to-price score is 65.0—a balanced value for its feature class.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
ASUS
Motherboard
ASUS ROG Strix B850-G Gaming WiFi
Chipset / socket
B850 / AM5
Form factor
Micro-ATX
Launch price
—
Amazon price
$210
Availability
In stock
Price updated
2 days, 11 hours ago

VRM

CPU phases
14 (80 A)
Power design
14+2+1
EPS connector
2

Memory

Type / slots
DDR5 / 4 DIMMs
Max capacity / OC
256 GB / 8000 MT/s
XMP / EXPO
Yes
ECC
Modules supported

PCIe

Supported version
PCIe 5.0
x16 physical
1
x16 Gen 5
1

Storage

M.2 slots
4
M.2 lengths
2242, 2260, 2280
M.2 modes
Supports PCIe 5.0/4.0 in x4 and x2 modes, depending on the CPU and M.2 slot.
SATA ports
2

Display outputs

HDMI
Yes · 2.1 · 4K@60Hz
DisplayPort
Yes · 1.4 · 8K@30Hz
USB-C DisplayPort
No

USB

Rear USB 2.0
2
Rear USB 3.2 Gen 1 Type-A 5 Gbps
4
Rear USB 3.2 Gen 2 Type-A 10 Gbps
2
Rear USB 3.2 Gen 2 Type-C 10 Gbps
1
Rear USB 3.2 Gen 2×2 Type-C 20 Gbps
1
Front USB 3.2 Gen 2 Type-C 10 Gbps
1
Front USB-C PD
15 W
Header USB 2.0
4
Header USB 3.2 Gen 1 Type-A 5 Gbps
2

Networking

Ethernet
Intel® 2.5Gb Ethernet
LAN ports
1
LAN speed
2500 Mbps
Wi-Fi
7
Wi-Fi bandwidth
160MHz
Bands
2.4/5/6GHz
Antenna connectors
2
Bluetooth
5.4

Audio

Chipset
Realtek ALC1220P
Analog jacks
2
Gold-plated jacks
No
Optical S/PDIF
Yes
Spatial audio
Rear output

Buttons

BIOS flashback
Yes
Clear CMOS
Yes
Q-Flash Plus
No
Smart button
No
Onboard start / reset
Start

Additional information

Memory notes
Supports AMD Extended Profiles for Overclocking (EXPO™) and ASUS Enhanced Memory Profile (AEMP). Supports Un-buffered DIMMs. Supported memory types, data rate, and number of DRAM modules vary depending on the CPU and memory configuration. Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
Display notes
Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. VGA resolution support depends on processors' or graphic cards' resolution.
Expansion notes
The single PCIe 5.0 x16 slot's specifications vary by CPU type. With AMD Ryzen™ 8000 Series Desktop Processors, it supports PCIe 4.0 x8/x4 mode.
M.2_1
4.0 x4 · 2242, 2260, 2280 · CPU
M.2_2
5.0 x4 · 2242, 2260, 2280 · CPU — Functionality varies by CPU type. With AMD Ryzen™ 9000 & 7000 Series CPUs, the slot supports PCIe 5.0 x4 mode. With AMD Ryzen™ 8000 Series CPUs, it supports PCIe 4.0 x4/x2 mode.
M.2_3
4.0 x4 · 2280 · Chipset
M.2_4
4.0 x4 · 2280 · Chipset
Storage notes
M.2 slot specifications vary by CPU type. The M.2_4 slot is located on the underside of the board.
USB notes
USB Type-C® power delivery output: max. 5V/3A
Audio notes
Features SupremeFX Shielding Technology, Savitech SV3H712 AMP, premium audio capacitors, and an audio cover. Supports impedance sensing for front and rear headphone outputs, jack-detection, multi-streaming, and front panel jack-retasking. Provides 120 dB SNR stereo playback and 113 dB SNR recording, with support for up to 32-Bit/192 kHz playback. A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Networking notes
Wi-Fi features may vary depending on the operating system. For Windows 11, Wi-Fi 7 will require 24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only supports Wi-Fi 6E. For Windows 10, only Wi-Fi 6 is supported. Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries. The Bluetooth version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications. Wi-Fi supports up to 2.9Gbps transfer rate.
Button notes
The motherboard includes a Start button.
Fan / RGB headers
1 CPU · 1 OPT · 1 AIO · 3 chassis · 3 ARGB · — RGB
Thermal sensors
1
Other headers
Front audio · System panel
Dimensions
24.4cm x 24.4cm

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

Price history

Nearby quality

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VRM fit

VRM-appropriate CPUs

AM5 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open AM5 CPUs in the CPU table

Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

Memory

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/. 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.

Graphics

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.

Expansion slots

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
1 x PCIe 5.0 x16 slot
AMD Ryzen™ 8000 Series Desktop Processors*
1 x PCIe 5.0 x16 slot (supports PCIe 4.0 x8/x4 mode)
*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.

Storage

Total supports 4 x M.2 slots and 2 x SATA 6Gb/s ports*
AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
M.2_1 slot (Key M), type 2242/2260/2280  (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
AMD Ryzen™ 8000 Series Desktop Processors*
M.2_1 slot (Key M), type 2242/2260/2280  (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)

AMD B850 Chipset
M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4)
M.2_4 slot (Key M), type 2280 (supports PCIe 4.0 x4) on the underside of the board

2 x SATA 6Gb/s ports
*Specifications vary by CPU types.

USB

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 (1 x 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

Internal I/O

Fan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
3 x 4-pin Chassis Fan headers
Power Related
1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connectors
Storage Related
4 x M.2 slots (Key M)
2 x SATA 6Gb/s ports
USB
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
Miscellaneous
3 x Addressable RGB Gen 2 headers
1 x Chassis Intrusion header
1 x Front Panel Audio header (F_AUDIO)
1 x Start button
1 x 10-1 pin Front Panel System header
1 x Thermal Sensor header

Rear I/O

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

Wireless

Wi-Fi 7*
2x2 Wi-Fi 7 (802.11be)
Supports 2.4/5/6GHz frequency band**
Supports Wi-Fi 7 160MHz bandwidth, up to 2.9Gbps transfer rate.
Bluetooth® v5.4***

*Wi-Fi features may vary depending on the operating system
For Windows 11, Wi-Fi 7 will require 24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only supports Wi-Fi 6E.
For Windows 10, only Wi-Fi 6 is supported.
** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.
*** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.

Audio

Realtek ALC1220P 7.1 Surround Sound High Definition Audio CODEC*
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in)
- Supports up to 32-Bit/192 kHz playback*
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.

Special features

Extreme Engine Digi+
- 5K metallic capacitors
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- PCIe Slot Q-Release  
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack™ button
- BIOS FlashBack™ LED
- Clear CMOS button
- ProCool
- Pre-mounted I/O shield
- SafeSlot
Aura Sync
- Addressable RGB Gen2 headers

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