The ASUS TUF GAMING B850M-PLUS is a Micro-ATX motherboard built around the AMD B850 chipset, designed for use with AMD Ryzen 7000, 8000, and 9000 Series processors on the AM5 socket. With its compact 244 x 244 mm form factor and sleek black finish, it fits well in a wide range of PC builds. The board supports DDR5 memory across four DIMM slots in dual-channel configuration, with a maximum capacity of 192 GB and overclocked speeds reaching 8000+ MHz. Connectivity is handled by a Realtek 2.5GbE LAN chip, and display output is available through one HDMI and one DisplayPort.
Versatile Storage and Expansion
The ASUS TUF GAMING B850M-PLUS offers three M.2 slots, with one supporting PCIe 5.0 for high-speed NVMe storage and two additional slots running on PCIe 4.0. Four SATA III connectors provide further storage flexibility. For expansion, the board includes one PCIe 5.0 x16 slot, making it ready for the latest discrete graphics cards.
Extensive Connectivity Options
The board features a generous selection of USB ports, including six USB 2.0, five USB 3.2 Gen 1 Type-A, three USB 3.2 Gen 2 Type-A, and one USB 3.2 Gen 2 Type-C port. Audio is powered by the Realtek ALC1220P chip with 7.1 channel output. Three chassis fan connectors, a chassis intrusion connector, and front panel headers round out the internal connectivity.
Product number manufacturer:
90MB1IX0-M0EAY0
Audio
BIOS
Connectivity
USB 3.2 (Gen 1) type A ports:
5
USB 3.2 (Gen 2) type A ports:
3
USB 3.2 (Gen 2) type C ports:
1
Internal I/O
1st M.2 maximum slot size:
2280
1st M.2 slot PCI Express generation:
5.0
2nd M.2 maximum slot size:
2280
2nd M.2 slot PCI Express generation:
4.0
3rd M.2 maximum slot size:
2280
3rd M.2 slot PCI Express generation:
4.0
ATX Power connector (24-pin):
Chassis fan connector(s):
3
Chassis intrusion connector:
Front panel audio connector:
USB 3.1 (3.1 Gen 2) connectors:
1
USB 3.1 (Gen 1) header(s):
1
Memory
Supported memory clock speeds (OC):
8000+ (OC) MHz
Networking
Network technology (wired):
Packaging content
Physical characteristics
Processor
Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Sockets
Technical details
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