Model: PRIME B650M-A II
CPU: AMD Socket AM5 for AMD Ryzen™ 7000 Series/ 8000 Series Desktop Processors*
Chipset: AMD B650 Chipset
Memory: 4 x DIMM, Max. 192GB, DDR5 7600+(OC)/7200(OC)/7000(OC)/6800(OC)/6600(OC)/6400(OC)/6200(OC)/6000(OC)/5800(OC)/5600(OC)/5400(OC)/5200/5000/4800
Dual Channel Memory Architecture

Graphics:
1 x DisplayPort
1 x VGA port
1 x HDMI® port

Expansion Slots:
AMD Ryzen™ 7000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode)
AMD Ryzen™ 8000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
AMD B650 Chipset 2 x PCIe 4.0 x16 slots (support x1 mode)

Storage:
Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*
AMD Ryzen™ 7000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
AMD Ryzen™ 8000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
AMD B650 Chipset M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode) 4 x SATA 6Gb/s ports

Ethernet: 1 x Realtek 2.5Gb Ethernet

USB:
Rear USB (Total 8 ports)
2 x USB 3.2 Gen 2 ports (2 x Type-A)
2 x USB 3.2 Gen 1 ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
Front USB (Total 7 ports)
1 x USB 3.2 Gen 1 connector (supports USB Type-C®)
1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports

Audio: Realtek 7.1 Surround Sound High Definition Audio CODEC

Back Panel I/O Ports:
2 x USB 3.2 Gen 2 ports (2 x Type-A)
2 x USB 3.2 Gen 1 ports (2 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
1 x DisplayPort
1 x VGA port
1 x HDMI® port
1 x Realtek 2.5Gb Ethernet port
3 x Audio jacks
1 x BIOS FlashBack™ button
1 x PS/2 Keyboard/Mouse combo port
Internal I/O Connectors
Fan and Cooling related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
3 x 4-pin Chassis Fan headers
Power related
1 x 24-pin Main Power connector
1 x 8-pin +12V Power connector
Storage related
2 x M.2 slots (Key M)
4 x SATA 6Gb/s ports

USB:
1 x USB 3.2 Gen 1 connector (supports USB Type-C® )
1 x USB 3.2 Gen 1 header supports 2 additional USB 3.2 Gen 1 ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous
3 x Addressable Gen 2 headers
1 x Aura RGB header
1 x Clear CMOS header
1 x COM Port header
1 x Front Panel Audio header (AAFP)
1 x S/PDIF Out header
1 x Speaker header
1 x SPI TPM header (14-1pin)
1 x 10-1 pin System Panel header

Aura Sync - Aura RGB header

BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Accessories
Cables 2 x SATA 6Gb/s cables
1 x I/O Shield
1 x Screw Package for M.2 SSD
1 x User guide

Operating System: Windows® 11, Windows® 10 64-bit
Form Factor: mATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )