ASUS Prime B650M-A II, AM5, AMD B650, 90MB1EH0-M0EAY0

Form factor
µATX
Plinth
AMD AM5
Chipset
AMD B650
CPU Compatibility
Ryzen 7000
RAM
4x DDR5 DIMM, dual PC5-51200U/DDR5-6400 (OC), max 128GB (UDIMM)
Expansion slots
3x PCIe 4.0 x16 (1x x16, 2x x1), 1x M.2/M-Key (PCIe 5.0 x4, 2280/2260/2242), 1x M.2/M-Key (PCIe 4.0 x4, 2280/2260/2242)
External connections
1x VGA (iGPU), 1x HDMI 2.1 (iGPU), 1x DisplayPort 1.4 (iGPU), 2x USB-A 3.1 (10Gb/s), 2x USB-A 3.0 (5Gb/s), 4x USB-A 2.0 (480Mb/s), 1x 2.5GBase-T (Realtek), 1x PS/2 Combo, 3x jack
Internal connections
1x USB-C 3.0 Key-A header (5Gb/s), 1x USB 3.0 header (5Gb/s, 2x USB 3.0), 2x USB 2.0 header (480Mb/s, 4x USB 2.0), 4x SATA 6Gb/s (B650), 1x serial, 1x TPM header, 1x COM debug header, 1x S/PDIF header, 1x speaker header
Header Cooling
2x CPU fan 4-pin, 3x fan 4-pin
Header Lighting
1x 4-pin RGB (+12V/G/R/B, max. 3A), 3x 3-pin ARGB (+5V/DATA/GND, max. 3A, ASUS Gen2)
Buttons/Switches
USB BIOS Flashback (external)
Audio
7.1 (Realtek ALC897)
Graphic
iGPU
Wireless
N/A
RAID Levels
0/1/10 (B650)
Electrical connections
1x 24-pin ATX, 1x 8-pin EPS12V
VRM
10 virtual phases (8+2), 6 real phases (4+2), PWM controller: ASP2208 (max. 8 phases)
MOSFETs CPU
8x 46A 4C10B/4C06B
MOSFETs SoC
2x 46A 4C10B/4C06B
Lighting
N/A
BIOS
1x 32MB (256Mb)
Particularities
Audio+solid capacitors, Onboard TPM 2.0 support (AMD fTPM), ECC support