Asus B850M AYW Gaming Wi-Fi

Name: Asus B850M AYW Gaming Wi-Fi
Brand: Asus
SKU: 8674

Manufacturer: Asus

The Asus B850M AYW Gaming Wi-Fi is a Micro-ATX motherboard designed around AMD's AM5 platform, pairing the B850 chipset with built-in wireless connectivity and RGB lighting in a compact form factor. It ships with Wi-Fi 6 (802.11ax) and Bluetooth 5.3 integrated, covering both older and current wireless standards, while dual BIOS support adds a layer of resilience for those who update firmware regularly.

On the memory side, the board offers two DDR5 slots capable of holding up to 128GB, with overclocked speeds reaching 8400 MHz across two channels. Expansion is handled by one PCIe 5.0 x16 slot and one PCIe 4.0 x16 slot, complemented by two M.2 sockets and four SATA 3 connectors for storage, the latter supporting RAID 0, 1, 5, and 10 configurations. Rear connectivity includes four USB 2.0 ports, two USB 3.2 Gen 2 Type-A ports, two USB 3.2 Gen 1 Type-A ports, an HDMI 2.1 output, and a single RJ45 Ethernet port, with 7.1-channel audio rounding out the rear panel.

Pros

Supports Wi-Fi 6 (802.11ax) alongside older Wi-Fi 4 and 5 standards, covering a wide range of wireless network environments
Dual BIOS provides a fallback option if a firmware update fails or corrupts the primary BIOS
DDR5 memory with overclocked speeds up to 8400 MHz and a 128GB maximum capacity offers substantial headroom for demanding workloads
Both PCIe 5.0 x16 and PCIe 4.0 x16 slots are present, accommodating current-generation discrete hardware
RAID 0, 1, 5, and 10 support gives meaningful flexibility for storage configurations beyond basic single-drive setups
A 3-year warranty period provides solid long-term coverage

Cons

Only two memory slots limit future upgrade options, as maximum capacity is reached with just two modules
No USB Type-C ports on the rear I/O panel restricts connectivity for modern peripherals and devices
Absence of a S/PDIF Out port removes the option for digital audio output to external receivers or DACs
No TPM connector is present, which may be a drawback for users with specific security or enterprise requirements
CMOS reset is not easily accessible, complicating BIOS recovery in certain situations
ECC memory is not supported, ruling out this board for use cases that require error-correcting RAM

Who is this for?

This board is a solid fit for users building an AMD AM5 system in a compact Micro-ATX footprint, particularly those who want Wi-Fi 6 and Bluetooth 5.3 without adding separate cards. The support for overclocked DDR5 up to 8400 MHz and a PCIe 5.0 x16 slot make it relevant for desktop builds that prioritize current-generation storage and graphics bandwidth. Users who value storage flexibility will also appreciate the four SATA 3 connectors, two M.2 sockets, and broad RAID support, making it a reasonable choice for home workstations or media setups with multi-drive configurations.

Who is this NOT for?

This board is not well-suited for users who rely on USB Type-C rear connectivity, as no such ports are available on the I/O panel, which limits compatibility with newer peripherals and displays. Those building systems with security or enterprise requirements will find the lack of a TPM connector and ECC memory support a meaningful drawback. Additionally, with only two memory slots, users planning incremental RAM upgrades over time have no room to expand beyond the initial two modules, making this a poor fit for anyone wanting that kind of flexibility.

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)
Has Bluetooth	✓
Bluetooth version	5.3
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	221 mm
width	244 mm
Has integrated CPU	✕

The Asus B850M AYW Gaming Wi-Fi is built around the AM5 socket with B850 chipset compatibility, housed in a Micro-ATX form factor measuring 244 mm × 221 mm. It supports overclocking and includes RGB lighting, while dual BIOS provides a backup option during firmware updates, though manual CMOS reset is not supported. Wireless connectivity covers Wi-Fi 4, 5, and 6 (802.11ax) alongside Bluetooth 5.3, though aptX audio codec support is absent. Video output is handled via an HDMI 2.1 port, and the board does not include integrated graphics or an integrated CPU. The warranty period stands at 3 years.

Memory:

maximum memory amount	128GB
overclocked RAM speed	8400 MHz
memory slots	2
DDR memory version	5
memory channels	2
Supports ECC memory	✕

This motherboard accommodates DDR5 memory across two slots in a dual-channel configuration, with a maximum capacity of 128GB. Overclocked speeds of up to 8400 MHz are supported, giving flexibility for performance-oriented memory kits. ECC memory is not supported on this board.

Ports:

USB 3.2 Gen 2 ports (USB-A)	2
USB 3.2 Gen 1 ports (USB-A)	2
USB 3.2 Gen 2 ports (USB-C)	0
USB 3.2 Gen 1 ports (USB-C)	0
USB 2.0 ports	4
USB 3.2 Gen 2x2 ports	0
USB 4 40Gbps ports	0
USB 4 20Gbps ports	0
Thunderbolt 4 ports	0
Thunderbolt 3 ports	0
has an HDMI output	✓
DisplayPort outputs	0
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 total of eight USB ports: two USB 3.2 Gen 2 Type-A, two USB 3.2 Gen 1 Type-A, and four USB 2.0 ports, with no USB Type-C, USB 4, Thunderbolt, or higher-bandwidth USB 3.2 Gen 2x2 ports present. Video output is limited to a single HDMI port, as DisplayPort, DVI, and VGA connectors are all absent. Network connectivity is covered by one RJ45 port, and there are no eSATA or PS/2 ports on this board.

Connectors:

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

For internal expansion, the board includes two M.2 sockets and four SATA 3 connectors for storage, with no SATA 2, mSATA, or U.2 sockets available. USB headers allow for two additional USB 3.2 Gen 1 ports and four USB 2.0 ports via expansion, alongside two further USB 3.0 ports through internal headers. Cooling is managed through four fan headers, while a TPM connector is not present on this board.

Expansion slots:

PCIe 4.0 x16 slots	1
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 two full-length PCIe slots: one PCIe 5.0 x16 and one PCIe 4.0 x16, covering current-generation expansion needs. There are no PCIe 3.0, PCIe 2.0, PCIe x8, PCIe x4, PCIe x1, or legacy PCI slots present, keeping the layout focused given the Micro-ATX form factor.

Audio:

audio channels	7.1
Has S/PDIF Out port	✕
audio connectors	3

The onboard audio supports 7.1-channel output and is accessible through three analog audio connectors on the rear panel. A S/PDIF Out port is not included on this board.

Storage:

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

The board supports RAID 0, 1, 5, and 10 configurations, covering a range of storage setups from performance-focused striping to redundancy and combined approaches. RAID 0+1 is not supported.

Final Verdict

The Asus B850M AYW Gaming Wi-Fi delivers a focused AM5 platform in a Micro-ATX footprint, bringing together PCIe 5.0 support, Wi-Fi 6, and DDR5 memory compatibility up to 8400 MHz in a form factor suited to space-conscious builds. Its dual BIOS, broad RAID support, and multi-generational wireless coverage add practical reliability for everyday desktop use. The absence of rear USB Type-C ports, a TPM connector, and ECC memory support does narrow its appeal for users with specific connectivity or security needs, and the two-slot memory configuration leaves little room for incremental expansion. Overall, the B850M AYW Gaming Wi-Fi is a competent Micro-ATX board for mainstream AM5 builds where wireless convenience and current-generation expansion are priorities, provided its I/O limitations align with the user's requirements.