Asus TUF Gaming B850M-Plus

Name: Asus TUF Gaming B850M-Plus
Brand: Asus
SKU: 3310

Manufacturer: Asus

The Asus TUF Gaming B850M-Plus is a Micro-ATX motherboard designed around AMD's AM5 platform using the B850 chipset. It supports overclocking and features RGB lighting, making it a straightforward option for builders who want a compact board with DDR5 memory support and room to configure their system to their needs. The board carries a three-year warranty and includes dual BIOS functionality for added reliability during firmware updates.

On the connectivity side, the board offers a well-rounded rear I/O with three USB 3.2 Gen 2 Type-A ports, four USB 3.2 Gen 1 Type-A ports, four USB 2.0 ports, and a USB 3.2 Gen 2x2 port for high-speed peripheral transfers. It includes HDMI 2.1 and one DisplayPort output, a single RJ45 Ethernet port, and a 7.1-channel audio solution rated at 120 dB SNR with S/PDIF output. Internally, the board provides three M.2 sockets, four SATA 3 connectors with support for RAID 0, 1, 5, and 10 configurations, five fan headers, and a PCIe 5.0 x16 slot for the primary graphics card. Memory capacity reaches up to 192GB across four DDR5 slots running in dual-channel mode, with overclocked speeds supported up to 8000 MHz.

Pros

Supports DDR5 memory with overclocked speeds up to 8000 MHz and a maximum capacity of 192GB across four slots
Includes a PCIe 5.0 x16 slot, keeping the board ready for current-generation graphics cards and expansion cards
Three M.2 sockets provide ample room for fast storage without relying solely on the four available SATA 3 connectors
Dual BIOS adds a useful layer of protection when performing firmware updates
7.1-channel onboard audio with a 120 dB SNR and S/PDIF output offers capable sound without a dedicated sound card
Full RAID support across modes 0, 1, 5, and 10 gives flexibility for both performance and redundancy storage setups

Cons

No built-in Wi-Fi or Bluetooth, requiring a separate adapter or card for wireless connectivity
No USB Type-C ports among the standard rear USB 3.2 Gen 2 outputs, with only the Gen 2x2 port offering a Type-C connection
Lacks a clear CMOS button, making BIOS resets less straightforward
No TPM connector is present, which may be relevant for certain security or enterprise configurations
ECC memory is not supported, limiting suitability for workloads that require memory error correction

Who is this for?

This motherboard is a solid fit for builders putting together a compact AM5-based desktop that still demands modern storage and expansion capabilities. The three M.2 sockets combined with PCIe 5.0 x16 support make it well-suited for enthusiast gaming builds or productivity workstations where fast storage and a current-generation graphics card are priorities. The overclocking support and DDR5 compatibility reaching up to 8000 MHz also appeal to users who want to tune their memory configuration, while the full RAID 0/1/5/10 support makes it a reasonable choice for small-scale setups that need basic storage redundancy within a Micro-ATX footprint.

Who is this NOT for?

This board is not a good fit for users who rely on wireless connectivity, as there is no built-in Wi-Fi or Bluetooth — a significant limitation for compact builds where adding an expansion card may not be practical. Those requiring ECC memory support for error-sensitive workloads such as data processing, scientific computing, or server-adjacent tasks will find this board unsuitable. It is also a poor match for anyone needing Thunderbolt, USB 4, or multiple USB Type-C rear ports, as none of those are available, making it less practical for users with modern high-bandwidth peripherals or external display setups that depend on those interfaces.

General info:

CPU socket	AM5
chipset	B850
form factor	Micro-ATX
supports Wi-Fi	✕
Has Bluetooth	✕
HDMI version	HDMI 2.1
Easy to overclock	✓
has RGB lighting	✓
Easy to reset BIOS	✕
Has dual BIOS	✓
CPU sockets	1
Has integrated graphics	✕
warranty period	3 years
height	244 mm
width	244 mm
Has integrated CPU	✕

The Asus TUF Gaming B850M-Plus is built around the AM5 socket with B850 chipset compatibility and comes in a Micro-ATX form factor measuring 244 x 244 mm, making it suited for compact builds. It supports overclocking and includes dual BIOS for safer firmware management, though it does not offer a dedicated clear CMOS button. The board features RGB lighting and outputs video via HDMI 2.1, but it lacks integrated graphics and does not include a built-in CPU. Wi-Fi and Bluetooth are not present on this model, so a wired network connection or separate wireless adapter would be required. It accommodates a single CPU socket and comes backed by a 3-year warranty.

Memory:

maximum memory amount	192GB
overclocked RAM speed	8000 MHz
memory slots	4
DDR memory version	5
memory channels	2
Supports ECC memory	✕

This board uses DDR5 memory across four slots arranged in a dual-channel configuration, supporting a maximum total capacity of 192GB. Overclocked RAM speeds can reach up to 8000 MHz, giving builders flexibility when tuning memory performance. ECC memory is not supported on this motherboard.

Ports:

USB 3.2 Gen 2 ports (USB-A)	3
USB 3.2 Gen 1 ports (USB-A)	4
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	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 offers a broad USB selection, including three USB 3.2 Gen 2 Type-A ports, four USB 3.2 Gen 1 Type-A ports, four USB 2.0 ports, and a USB 3.2 Gen 2x2 Type-C port for high-bandwidth peripheral connections. There are no USB 4, Thunderbolt 3, Thunderbolt 4, or USB 3.2 Gen 2 Type-C ports beyond the Gen 2x2 connector. For display output, the board provides an HDMI port and one DisplayPort output, while VGA, DVI, and eSATA are absent. Networking is handled through a single RJ45 port, and there are no PS/2 connectors on this model.

Connectors:

USB 3.2 Gen 1 ports (through expansion)	2
USB 3.2 Gen 2x2 ports (through expansion)	1
USB 2.0 ports (through expansion)	4
SATA 3 connectors	4
fan headers	5
USB 3.0 ports (through expansion)	2
M.2 sockets	3
Has TPM connector	✕
U.2 sockets	0
Has mSATA connector	✕
SATA 2 connectors	0

Internal connectivity is well-equipped, with three M.2 sockets and four SATA 3 connectors for storage, while SATA 2, mSATA, and U.2 are not available. For USB expansion via headers, the board provides two USB 3.2 Gen 1 connectors, two additional USB 3.0 connectors, one USB 3.2 Gen 2x2 connector, and four USB 2.0 connectors, offering plenty of flexibility for front-panel and add-in connectivity. Five fan headers are present for cooling management, though there is no TPM connector on this model.

Expansion slots:

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

The board provides one PCIe 5.0 x16 slot as the primary expansion lane for a graphics card or other full-size add-in card, along with one PCIe x1 slot for smaller peripherals. There are no PCIe 2.0, 3.0, or 4.0 x16 slots, and no PCIe x4, x8, or legacy PCI slots are present, keeping the expansion layout compact and straightforward for a Micro-ATX design.

Audio:

Signal-to-Noise ratio (DAC)	120 dB
audio channels	7.1
Has S/PDIF Out port	✓
audio connectors	5

The onboard audio supports 7.1-channel output with a DAC signal-to-noise ratio of 120 dB, providing clean audio reproduction across all channels. Five audio connectors are available on the rear panel, and an S/PDIF Out port is included for connecting external digital audio equipment or receivers.

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, 1, 5, and 10, covering a useful range of performance and redundancy setups. RAID 0+1 is not supported on this motherboard.

Final Verdict

The Asus TUF Gaming B850M-Plus delivers a capable and well-rounded Micro-ATX package for builders working within the AM5 ecosystem who want modern storage and memory performance without stepping up to a full ATX form factor. Its PCIe 5.0 x16 slot paired with three M.2 sockets and DDR5 support up to 8000 MHz gives it genuine relevance for current-generation builds, and the inclusion of dual BIOS, RAID support, and solid onboard audio adds practical value across the board. That said, the absence of wireless connectivity and ECC memory support does narrow its appeal, making it best suited for wired desktop setups where those omissions are not a concern. For users who fit that profile, this board represents a focused and feature-complete foundation for a compact high-performance build.