Asus ROG Strix B850-G Gaming Wi-Fi

Name: Asus ROG Strix B850-G Gaming Wi-Fi
Brand: Asus
SKU: 3817

Manufacturer: Asus

The Asus ROG Strix B850-G Gaming Wi-Fi is a Micro-ATX motherboard built around the AM5 socket and B850 chipset, targeting users who want a compact but well-equipped platform for modern AMD processors. It includes Wi-Fi 7 (802.11be) alongside Bluetooth 5.4, RGB lighting, and a dual BIOS setup that simplifies recovery from failed updates. A three-year warranty and a clear CMOS button round out the convenience-focused features on this board.

On the memory side, the board provides four DDR5 slots with support for up to 256 GB and a maximum overclocked speed of 8000 MHz, running across two channels. Expansion is handled by a single PCIe 5.0 x16 slot, while storage options include four M.2 sockets and two SATA 3 connectors with support for RAID 0, 1, 5, and 10. The rear I/O carries two USB 3.2 Gen 2 Type-A ports, one USB 3.2 Gen 2 Type-C, one USB 3.2 Gen 2x2 Type-C, four USB 3.2 Gen 1 Type-A ports, HDMI 2.1, one DisplayPort output, and a single RJ45 port, complemented by a 7.1-channel audio solution rated at 120 dB SNR with S/PDIF output.

Pros

Wi-Fi 7 support alongside full backward compatibility down to Wi-Fi 4 covers a wide range of wireless networking needs
Four M.2 sockets provide substantial high-speed storage expansion within a compact Micro-ATX footprint
Dual BIOS and a clear CMOS button simplify firmware recovery without requiring extra tools or technical steps
Overclocked DDR5 memory support up to 8000 MHz across four slots with a 256 GB ceiling gives considerable headroom for memory-intensive workloads
The single PCIe 5.0 x16 slot delivers the latest available interface bandwidth for discrete graphics or other full-length cards
A 120 dB signal-to-noise ratio on the DAC combined with 7.1-channel audio and S/PDIF output makes the onboard audio solution suitable for demanding listening setups

Cons

Only two SATA 3 connectors limit the number of traditional drives that can be connected without additional hardware
No TPM connector is present, which may affect certain security or enterprise software requirements
The single PCIe 5.0 x16 slot leaves no room for a secondary expansion card such as a capture card or additional networking adapter
ECC memory is not supported, restricting use in workloads that require error-correcting RAM
Micro-ATX form factor limits internal layout flexibility compared to full ATX boards with more headers and slots

Who is this for?

This board suits builders who want a compact yet well-connected AM5 platform without sacrificing modern connectivity. Users assembling a small-to-mid-sized gaming or content creation PC will benefit from the PCIe 5.0 x16 slot, four M.2 sockets, and DDR5 support reaching up to 8000 MHz overclocked. The inclusion of Wi-Fi 7 and Bluetooth 5.4 makes it a strong fit for desktop setups where running a network cable is impractical, while the dual BIOS and easy overclock features appeal to enthusiasts who experiment with system tuning without wanting to risk a bricked board.

Who is this NOT for?

Users who need to run multiple expansion cards simultaneously will find the single PCIe slot restrictive, making this board a poor match for workstations requiring both a dedicated GPU and additional cards such as capture, audio, or networking hardware. Those building storage-heavy systems relying on multiple SATA drives will quickly hit the limit of only two SATA 3 connectors. Additionally, professionals working in environments that mandate ECC memory for data integrity — such as scientific computing or financial applications — will need to look elsewhere, as ECC support is absent.

General info:

CPU socket	AM5
chipset	B850
form factor	Micro-ATX
supports Wi-Fi	✓
Wi-Fi version	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Has Bluetooth	✓
Bluetooth version	5.4
HDMI version	HDMI 2.1
Easy to overclock	✓
has RGB lighting	✓
Easy to reset BIOS	✓
Has dual BIOS	✓
has aptX	✕
CPU sockets	1
Has integrated graphics	✕
warranty period	3 years
height	244 mm
width	244 mm
Has integrated CPU	✕

The Asus ROG Strix B850-G Gaming Wi-Fi uses the AM5 socket paired with the B850 chipset and comes in a Micro-ATX form factor measuring 244 × 244 mm, fitting standard mid-tower and smaller enclosures. It supports a single CPU and carries no integrated processor or integrated graphics. Wireless connectivity covers the full range from Wi-Fi 4 through Wi-Fi 7 (802.11be), and Bluetooth 5.4 is included, though aptX is not supported. The board outputs video via HDMI 2.1 and includes RGB lighting, an easy-overclock feature, a clear CMOS button for straightforward BIOS resets, and a dual BIOS arrangement for added firmware reliability. A three-year warranty is provided.

Memory:

maximum memory amount	256GB
RAM speed (max)	4000 MHz
overclocked RAM speed	8000 MHz
memory slots	4
DDR memory version	5
memory channels	2
Supports ECC memory	✕

This board supports DDR5 memory across four slots arranged in a dual-channel configuration, with a maximum capacity of 256 GB. The standard rated speed tops out at 4000 MHz, while overclocked operation can reach 8000 MHz for users looking to push memory performance further. ECC memory is not supported.

Ports:

USB 3.2 Gen 2 ports (USB-A)	2
USB 3.2 Gen 1 ports (USB-A)	4
USB 3.2 Gen 2 ports (USB-C)	1
USB 3.2 Gen 1 ports (USB-C)	0
USB 2.0 ports	2
USB 3.2 Gen 2x2 ports	1
USB 4 40Gbps ports	0
USB 4 20Gbps ports	0
Thunderbolt 4 ports	0
Thunderbolt 3 ports	0
has an HDMI output	✓
DisplayPort outputs	1
RJ45 ports	1
Has USB Type-C	✓
eSATA ports	0
DVI outputs	0
has a VGA connector	✕
PS/2 ports	0

The rear I/O panel provides a broad selection of USB ports, including two USB 3.2 Gen 2 Type-A, four USB 3.2 Gen 1 Type-A, one USB 3.2 Gen 2 Type-C, and two USB 2.0 ports, alongside a USB 3.2 Gen 2x2 Type-C port delivering up to 20 Gbps. There are no USB 4, Thunderbolt 3, Thunderbolt 4, eSATA, PS/2, or DVI outputs present. Display connectivity is handled by one HDMI output and one DisplayPort output, while VGA is absent. Wired networking is covered by a single RJ45 port.

Connectors:

USB 3.2 Gen 1 ports (through expansion)	2
USB-C 3.2 Gen 2 ports (through expansion)	1
USB 2.0 ports (through expansion)	4
SATA 3 connectors	2
fan headers	5
USB 3.0 ports (through expansion)	2
M.2 sockets	4
Has TPM connector	✕
U.2 sockets	0
Has mSATA connector	✕
SATA 2 connectors	0

Internal connectivity includes four M.2 sockets for fast storage drives alongside two SATA 3 connectors, while SATA 2, U.2, and mSATA are not present. For expanding USB availability through a case or hub, the board offers two USB 3.2 Gen 1 headers, two additional USB 3.0 headers, one USB-C 3.2 Gen 2 header, and four USB 2.0 headers. Cooling is supported by five fan headers, and there is no TPM connector on this board.

Expansion slots:

PCIe 4.0 x16 slots	0
PCIe 5.0 x16 slots	1
PCIe 3.0 x16 slots	0
PCIe x1 slots	0
PCI slots	0
PCIe 2.0 x16 slots	0
PCIe x4 slots	0
PCIe x8 slots	0

The board offers a single PCIe 5.0 x16 slot as its sole expansion option, accommodating a discrete graphics card or other full-length PCIe device at the latest available bandwidth tier. There are no PCIe 4.0, 3.0, or 2.0 x16 slots, and no PCIe x8, x4, or x1 slots are present. Legacy PCI slots are also absent.

Audio:

Signal-to-Noise ratio (DAC)	120 dB
audio channels	7.1
Has S/PDIF Out port	✓
audio connectors	2

The onboard audio solution supports 7.1-channel output and delivers a DAC signal-to-noise ratio of 120 dB, indicating a clean analog output. Two audio connectors are provided on the rear panel, and an S/PDIF Out port is included for digital audio passthrough to an external receiver or DAC.

Storage:

Supports RAID 1	✓
Supports RAID 10 (1+0)	✓
Supports RAID 5	✓
Supports RAID 0	✓
Supports RAID 0+1	✕

The board supports four RAID configurations: RAID 0 for striping, RAID 1 for mirroring, RAID 5 for distributed parity, and RAID 10 (1+0) combining striping with mirroring. RAID 0+1 is not supported.

Final Verdict

The Asus ROG Strix B850-G Gaming Wi-Fi delivers a focused and modern AM5 platform within a Micro-ATX footprint, balancing connectivity and storage capability in a compact layout. Its Wi-Fi 7 support, four M.2 sockets, and PCIe 5.0 x16 slot make it a well-rounded choice for enthusiast desktop builds where space efficiency and up-to-date interface standards matter. The dual BIOS, easy overclock feature, and DDR5 support up to 8000 MHz add practical depth for users who want room to tune their system. Where it narrows its appeal is in scenarios demanding multiple expansion cards, numerous SATA drives, or ECC memory — needs that simply fall outside what this board is designed to address. For a compact gaming or enthusiast build centered on a modern AMD processor, it represents a coherent and capable option.