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ASUS Prime B650M-A II

B650 · AM5 · µATX
ASUS Prime B650M-A II product image

General

ChipsetB650
SocketAM5
Form FactorµATX
Supported CPU FamiliesRyzen 7000, Ryzen 8000G, Ryzen 9000

Highlights

Memory4× DDR5 · max 192 GB · 7600 MT/s
M.2 Slots2× (1× PCIe 5.0)
GPU Slots3× x16 · PCIe 4.0
Fastest USBUSB 10 Gbps
NetworkLAN 2.5 Gbps
Power Stages4+2 phases · 46 A

Manufacturer Links

BIOS downloads ↗CPU support list ↗Driver downloads ↗Memory QVL ↗
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Memory

Memory TypeDDR5
Max RAM Speed7600 MT/s
Max RAM192 GB
DIMM Slots4
RAM Form FactorDIMM
ECC SupportYes

Expansion and Storage

PCIe Version4.0
PCIe x16 Slots3
PCIe x1 Slots3
PCIe Slot Modes3× PCIe 4.0 x16 · electrical: 1× x16 + 2× x1
M.2 Slots
M.2_1: PCIe 5.0 x4
M.2_2: PCIe 4.0 x4
SATA Ports4
Highest USBUSB 10 Gbps
RAID0/1/10

Power Delivery (VRM)

Phase Layout4+2
CPU Phases4
SoC Phases2
Amps per Phase46 A
PWM ControllerASP2208 (RT3678BE, max. 10 phases)
MOSFET8x 46A 4C10B/4C06B (High-/Low-Side)

Connectivity and Audio

Audio CodecRealtek ALC897
LAN ChipRealtek
Rear I/O
4× USB 2.0 Type-A
2× USB 5Gbps Type-A
2× USB 10Gbps Type-A
1× HDMI
1× DisplayPort
1× 2.5 Gbps LAN
3× Audio jacks (3.5 mm)
1× PS/2
Front Panel Headers
HD Audio (front audio)
1× usb c
4× usb2 count
Case Fan Headers3× 4-pin PWM fan
RGB Header
3× ARGB (5V 3-pin)
1× RGB (12V 4-pin)
TPM HeaderYes
BIOS Chip32 MB
Dual BIOSNo
Special Features
Audio+solid capacitors
White Build-compatible (PCB primarily black)