





ASUS TUF GAMING B850M-PLUS WIFI AM5 - 90MB1IY0-M0EAY0 Motherboard
- CPU socket
- AM5
- Chipset (MB)
- AMD B850 MB
- Form factor
- Micro ATX
- Supported memory
- DDR5
- Number of memory slots
- 4
Description
The ASUS TUF GAMING B850M-PLUS WIFI is a micro ATX motherboard for AM5, aimed at serious gaming and multifunctional configurations in a more compact format. The combination of the AMD B850 chipset, DDR5 memory, and support for Ryzen 9000, 8000, and 7000 processors gives you a stable foundation for a long-term upgrade path. You get a PCIe 5.0 x16 slot for future high-end GPUs, three M.2 slots for fast SSDs, and solid connectivity with Wi-Fi 6E, 2.5Gb LAN, and USB 20Gbps. All of this in a configuration that comfortably handles more serious RAM overclocking.
What you get
The board supports up to 256 GB DDR5 RAM in 4 slots with frequencies up to 8000 MHz (O.C.), which is more than enough for both heavy gaming and working with many applications in parallel. With 3 x M.2 slots and 4 x SATA 6Gb/s ports, you can distribute your system, games, and archive across separate SSDs and HDDs, plus RAID 0/1/5/10 if you are after speed or redundancy. M.2_1 reaches PCIe 5.0 x4 with Ryzen 9000/7000 – this is ideal for the fastest NVMe SSDs today and in the coming years. For the GPU, you have a PCIe 5.0 x16 slot (or PCIe 4.0 x16/x8 depending on the CPU), which guarantees that you will not bottleneck modern graphics cards. The built-in Wi-Fi 6E, Bluetooth 5.3, and 2.5Gb Ethernet eliminate the need for additional network cards and give you flexibility between wired and wireless connections.
- The AM5 socket with the AMD B850 chipset ensures compatibility with Ryzen 9000, 8000, and 7000 processors and a good base for future upgrades.
- Micro ATX form factor – a more compact case without sacrificing key extras like 4 RAM slots and several PCIe/M.2 positions.
- 4 x DDR5 slots, up to 256 GB, and frequencies up to 8000 MHz (O.C.) in dual-channel mode provide high memory bandwidth for modern CPUs and games.
- 3 x M.2 (incl. PCIe 5.0 x4 for Ryzen 9000/7000) plus 4 x SATA 6Gb/s with RAID 0/1/5/10 allow flexible combining of NVMe SSDs and larger HDDs.
- Expansion slots with PCIe 5.0 x16 (or PCIe 4.0 x16/x8 depending on the CPU) and an additional PCIe 4.0 x1 slot provide space for a powerful GPU and additional cards.
- Network connectivity with Realtek 2.5Gb Ethernet and TUF LANGuard for better protection, plus wireless Wi-Fi 6E and Bluetooth 5.3 for peripherals and mobile devices.
- Audio with Realtek ALC1220P 7.1 High Definition audio, suitable for gaming headsets and multichannel systems without a separate sound card.
- A rich I/O area with a total of 12 rear USB ports (incl. USB 20Gbps Type-C and several 10Gbps) and 6 front USB ports, so you can connect everything – from external SSDs to VR and capture cards.
- 1 x 24-pin + 2 x 8-pin power connectors provide stable power to the CPU and the board, especially useful under higher loads.
Who it is suitable for
This board is a logical choice for a mid- to high-end AM5 build – 1440p/4K gaming, streaming, working with heavy software, and a long-term upgrade plan. It is also suitable if you want a compact but not stripped-down micro ATX system with plenty of storage and strong connectivity. It is not the most sensible option only if you are after an ultra-budget build or have no plan for a more powerful Ryzen and fast DDR5 modules.
The strongest point here is the combination of PCIe 5.0, three M.2 slots, massive DDR5 support, and Wi-Fi 6E/2.5Gb LAN in a compact micro ATX body – a stable platform that you can comfortably develop for several generations ahead.
Full specifications
- Manufacturer
-
ASUS
- CPU socket
-
AM5
- Chipset (MB)
- AMD B850
- Form factor
- Micro ATX
- Supported processors
-
Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
- Supported memory
-
DDR5
- Number of memory slots
- 4
- Maximum RAM capacity
- 256 GB
- Memory frequency (MHz)
-
up to 8000MHz (O.C.)
- Support for dual-channel memory
- Yes
- Built-in audio
-
Realtek ALC1220P 7.1 Surround Sound High Definition Audio CODEC
- Built-in Wi-Fi
-
Wi-Fi 6E
- Bluetooth version
- Bluetooth V5.3
- Built-in LAN
-
1 x Realtek 2.5Gb EthernetTUF LANGuard
- SATA interface
- 4 x SATA3 6.0 Gb/s
- RAID support
- 0, 1, 5, 10
- Expansion slots
-
AMD Ryzen™ 9000 & 7000 Series Desktop Processors*1 x PCIe 5.0 x16 slot (supports x16 mode)AMD Ryzen™ 8000 Series Desktop Processors1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**AMD B850 Chipset1 x PCIe 4.0 x1 slot* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).** 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.
- Power connector
-
1 x 24-pin2 x 8-pin
- Graphics
-
1 x DisplayPort1 x HDMI® port
- BIOS
- 256 Mb Flash ROM, UEFI AMI BIOS
- Processor generation
-
7th generation8th generation9th generation
- Warranty
- 36 months
- OS
-
Windows 11 64-bit
- M2 slot
-
Total supports 3 x M.2 slots and 4 x SATA 6Gb/s portsAMD Ryzen™ 9000 & 7000 Series Desktop ProcessorsM.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)AMD Ryzen™ 8000 Series Desktop ProcessorsM.2_1 slot (Key M), type 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 ChipsetM.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)4 x SATA 6Gb/s ports* Specifications vary by CPU types.
- USB ports
-
Rear USB (Total 12 ports)1 x USB 20Gbps port (1 x USB Type-C®)3 x USB 10Gbps ports (3 x Type-A)4 x USB 5Gbps ports (4 x Type-A)4 x USB 2.0 ports (4 x Type-A)Front USB (Total 6 ports)1 x USB 10Gbps connector (supports USB Type-C®)1 x USB 5Gbps header supports 2 additional USB 5Gbps ports2 x USB 2.0 headers support 3 additional USB 2.0 ports* USB Type-C® power delivery output: max. 5V/3A.
- Rear I/O panel
-
1 x USB 20Gbps port (1 x USB Type-C®)3 x USB 10Gbps ports (3 x Type-A)4 x USB 5Gbps ports (4 x Type-A)4 x USB 2.0 ports (4 x Type-A)1 x DisplayPort1 x HDMI™ port1 x Wi-Fi module1 x Realtek 2.5Gb Ethernet port5 x Audio jacks1 x BIOS FlashBack™ button
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