Package contents
Check your motherboard package for the following items.
Motherboard
Cables
Miscellaneous
Documentation
If any of the above items is damaged or missing, contact your retailer.
PRIME B650M-A AX II specifications summary
CPU
Chipset
Memory
Graphics
Expansion Slots
vi
1 x PRIME B650M-A AX II motherboard
2 x SATA 6Gb/s cables
1 x ASUS Wi-Fi moving antennas
1 x I/O Shield
1 x Screw package for M.2 SSD
1 x User guide
AMD Socket AM5 for AMD Ryzen™ 7000 Series Desktop Processors*
* Refer to www.asus.com for CPU support list.
AMD B650 Chipset
4 x DIMM, Max. 128GB, DDR5 ECC and Non-ECC, Un-buffered Memory*
Dual Channel Memory Architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
OptiMem II
* Supported memory types, data rate (speed), and number of DRAM modules vary
depending on the CPU and memory configuration, for more information please refer
to CPU/Memory Support list under the Support tab of product information site or
visit https://www.asus.com/support/.
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
1 x DisplayPort**
1 x VGA port
1 x HDMI
port***
®
* Graphics specifications may vary between CPU types. Please refer to AMD CPU
specifications.
** Supports max. 8K@60Hz as specified in DisplayPort 1.4.
***Supports 4K@60Hz as specified in HDMI 2.1.
AMD Ryzen™ 7000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x16 mode)
1 x PCIe 4.0 x16 slot (supports x1 mode)
AMD B650 Chipset
2 x PCIe 4.0 x16 slots (support x1 mode)
* Please check the PCIe bifurcation table on the support site
(https://www.asus.com/support/FAQ/1037507/).
(continued on the next page)