The ASUS TUF GAMING B850M-PLUS II is a compact Micro-ATX motherboard built on the AMD B850 chipset, designed for use with AMD Ryzen 7000, 8000, and 9000 Series processors in the Socket AM5 platform. Finished in a sleek black design and measuring 244 x 244 mm, this board delivers a solid foundation for gaming and productivity builds. It supports up to 256 GB of DDR5 memory across four DIMM slots in dual-channel configuration, with speeds starting at 5600 MHz and overclocking potential exceeding 8000 MHz. Connectivity on the rear panel includes HDMI and DisplayPort outputs, four USB 3.2 Gen 1 Type-A ports, three USB 3.2 Gen 2 Type-A ports, and a 2.5G LAN port powered by the Realtek RTL8125BG controller.
Powerful Storage and Expansion
The ASUS TUF GAMING B850M-PLUS II offers three M.2 slots, with the primary slot supporting PCIe 5.0 for next-generation NVMe drives, while the remaining two slots operate on PCIe 4.0. Additional storage options include four SATA III connectors. For graphics, a single PCIe 5.0 x16 slot provides full bandwidth support for the latest discrete GPUs, making this board ready for high-performance setups.
Audio and System Connectivity
Onboard audio is handled by the Realtek ALC1220P chip, delivering 7.1-channel surround sound output for an immersive experience. The board includes multiple fan headers for chassis and CPU cooling management, along with a chassis intrusion connector for added security awareness. Internal headers cover USB 2.0 and USB 3.1 Gen 1 needs, rounding out a well-equipped feature set for a compact form factor board.
Product number manufacturer:
90MB1MT0-M0EAY0
Audio
BIOS
Connectivity
USB 3.2 (Gen 1) type A ports:
4
USB 3.2 (Gen 1) type C ports:
1
USB 3.2 (Gen 2) type A ports:
3
USB 3.2 (Gen 2) type C ports:
0
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:
EPS power connector (8-pin):
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:
5600 MHz
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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