ASUS PRIME B450M-A II/AM4/mATX

Chipset: AMD B450

Dimensional format: mATX Form Factor (244 mm x 244 mm)
Processor Support: 3rd/2nd/1st Gen AMD Ryzen ™/2nd and 1st Gen AMD Ryzen ™ with Radeon ™ Vega Graphics/Athlon ™ with Radeon ™ Vega Graphics Processors
Processor socket: AM4

Memory position: 4x DDR4 DIMM
Memory support: 4400 (OC)/4000 (OC)/3866 (OC)/3733 (OC)/3600 (OC)/3466 (OC)/3400 (OC)/3300 (OC)/3200 (OC)/3000 (OC)/2800 (OC)/2666/2400/2133 MHz Un-buffered Memory
Max. RAM size: 128 GB
Support for memory type: DDR4

• Dual Channel Memory Architecture
• ECC Memory (ECC mode) support varies by CPU

Graphics Card

• Integrated Graphics Processor (based on 2nd and 1st generation AMD processors with Radeon Grpahics)

Sound card:

• Realtek 7.1-Channel High Definition Audio CODEC

Network card:

• Realtek® RTL8111H

Expansion slots:

• 3rd/2nd/1st Gen AMD Ryzen ™ Processors
• 1x PCIe 3.0 x16 (x16 mode)
• 2nd and 1st Gen AMD Ryzen ™ with Radeon ™ Vega Graphics Processors
• 1x PCIe 3.0 x16 (x8 mode)
• AMD Athlon ™ with Radeon ™ Vega Graphics Processors
• 1x PCIe 3.0 x16 (x4 mode)
• AMD B450 chipset
• 2x PCIe 2.0 x1

RAID controller: 0, 1, 10

SATA:

• 6x SATA 6Gb/s ports

M.2:

• 1x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)

USB:

• rear USB ports (total 6)
• 2x USB 3.2 Gen 2 (up to 10Gbps) port (s) (2 x Type-A)
• 4x USB 3.2 Gen 1 port (s) (4 x Type-A)
• front USB ports (total 6)
• 2x USB 3.2 Gen 1 port (s)
• 4x USB 2.0 port (s)

Internal ports:

• 1x CPU Fan connector (s) (1 x 4 -pin)
• 2x Chassis Fan connector (s) (2 x 4-pin)
• 1x USB 3.2 Gen 1 (up to 5Gbps) connector (s) support (s) additional 2 USB 3.2 Gen 1 port (s) (19-pin)
• 2x USB 2.0 connector (s) support (s) additional 4 USB 2.0 port (s)
• 1x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
• 1x SPI TPM header
• 1x COM port (s) connector (s)
• 6x SATA 6Gb/s connector (s)
• 1x S/PDIF out header (s)
• 1x 24-pin EATX Power connector (s)
• 1x 8-pin ATX 12V Power connector (s)
• 1x Front panel audio connector (s) (AAFP)
• 1x System panel (s)
• 1x Clear CMOS jumper (s)
• 1x COM port header
• 1x Speaker connector
• 1x RGB Header

External ports:

• 1x PS/2 keyboard/mouse combo port (s)
• 1x DVI-D
• 1x D-Sub
• 1x HDMI
• 1x LAN (RJ45) port (s)
• 2x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
• 4x USB 3.2 Gen 1 (blue) Type-A
• 3x Audio jack (s)
• 1x BIOS FlashBack ™ Button (s)

Package contents:

• User manual
• I/O Shield
• 2x SATA 6Gb/s cable (s)
• 1x M.2 Screw Package
• 1x Supporting DVD

BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Manufacturer website: https://www.asus.com/Motherboards/PRIME-B450M-A-II
https://www.asus.com/microsite/motherboard/ASUS-motherboards-Win11-ready/
https://www.asus.com/support/FAQ/1046215