ASUS PRIME B650M-A II-CSM — AMD B650 Micro-ATX motherboard with DDR5, PCIe 5.0 M.2, 2.5Gb Ethernet, DisplayPort, HDMI, VGA, rear USB 3.2 Gen 2, front USB 3.2 Gen 1 Type-C, BIOS FlashBack, Aura Sync

CPU

• Socket: AMD Socket AM5 for AMD Ryzen™ 9000, 8000, & 7000 Series Desktop Processors*
  • *Refer to www.asus.com for CPU support list.

Chipset

• Chipset: AMD B650 Chipset

Memory

• Slots: 4 x DIMM, Max. 192GB
• Memory Types: 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
• Architecture: Dual Channel Memory Architecture
• Overclocking Support: Supports AMD Extended Profiles for Overclocking (EXPO™)
• OptiMem II: Yes
• Supported memory types, data rates, and number of DRAM modules vary based on CPU and memory configuration. More information available at www.asus.com.

Graphics

• Ports:
  • 1 x DisplayPort (supports max. 8K@60Hz as specified in DisplayPort 1.4)
  • 1 x VGA port
  • 1 x HDMI® port (supports 4K@60Hz as specified in HDMI® 2.1)
• Graphics specifications may vary between CPU types. Refer to AMD CPU specifications.

Expansion Slots

• For AMD Ryzen™ 9000 & 7000 Series Processors:
  • 1 x PCIe 4.0 x16 slot (supports x16 mode)
• For AMD Ryzen™ 8000 Series Processors:
  • 1 x PCIe 4.0 x16 slot (supports x8/x4 mode)*
• For AMD B650 Chipset:
  • 2 x PCIe 4.0 x16 slots (support x1 mode)
• Check the PCIe bifurcation table on the support site (ASUS Support).

Storage

• Supports: 2 x M.2 slots and 4 x SATA 6Gb/s ports*
• M.2 Slots:
  • AMD Ryzen™ 9000 & 7000 Series: M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)
  • AMD Ryzen™ 8000 Series: 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)
• AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/10 and SATA RAID 0/1/10.

Ethernet

• Ethernet: 1 x Realtek 2.5Gb Ethernet

USB Ports

• Rear USB (Total 8 ports):
  • 2 x USB 3.2 Gen 2 ports (Type-A)
  • 2 x USB 3.2 Gen 1 ports (Type-A)
  • 4 x USB 2.0 ports (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 (supports 4 additional USB 2.0 ports)

Audio

• Codec: Realtek 7.1 Surround Sound High Definition Audio CODEC*
  • Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
  • Supports up to 24-Bit/192 kHz playback
• Audio Features:
  • Audio Shielding
  • Premium audio capacitors
  • Dedicated audio PCB layers
• Requires a chassis with an HD audio module in the front panel for 7.1 Surround Sound output.

Back Panel I/O Ports

• 2 x USB 3.2 Gen 2 ports (Type-A)
• 2 x USB 3.2 Gen 1 ports (Type-A)
• 4 x USB 2.0 ports (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:
  • 1 x 4-pin CPU Fan header
  • 1 x 4-pin CPU OPT Fan header
  • 3 x 4-pin Chassis Fan headers
• Power:
  • 1 x 24-pin Main Power connector
  • 1 x 8-pin +12V Power connector
• Storage:
  • 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 (supports 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 (14-1 pin)
• 1 x 10-1 pin System Panel header

Special Features

• ASUS 5X PROTECTION III:
  • DIGI+ VRM
  • LANGuard
  • Overvoltage Protection
  • Safeslot Core+
  • Stainless-Steel Back I/O
• ASUS Q-Design:
  • Q-DIMM
  • Q-LED Core
  • Q-Slot
• ASUS Thermal Solution: VRM heatsink design
• ASUS EZ DIY:
  • BIOS FlashBack™ button
  • BIOS FlashBack™ LED
• Aura Sync: Aura RGB header and Addressable Gen 2 headers

Software Features

• ASUS Exclusive Software:
  • Armoury Crate (Aura Creator, Aura Sync, Fan Xpert 2+, Power Saving)
  • AI Suite 3 (TurboV EVO, DIGI+ VRM, PC Cleaner)
  • ASUS CPU-Z
  • Norton Anti-virus software (Free Trial version)
  • WinRAR
• UEFI BIOS:
  • ASUS EZ DIY (ASUS CrashFree BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode)

BIOS

• Type: 256 Mb Flash ROM, UEFI AMI BIOS

Manageability

• Features: WOL by PME, PXE

Accessories

• Cables: 2 x SATA 6Gb/s cables
• Miscellaneous:
  • 1 x I/O Shield
  • 1 x Screw Package for M.2 SSD
• Documentation:
  • 1 x ACC Express Activation Key Card
  • 1 x User guide

Operating System

• Supported OS: Windows® 11, Windows® 10 64-bit

Form Factor

• Form Factor: mATX
• Dimensions: 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)