The ASUS PRIME B850-PLUS-CSM is an ATX motherboard for AMD Ryzen AM5 processors. It supports DDR5 memory, three M.2 slots, four SATA 6 Gb/s ports, 2.5Gb Ethernet, and HDMI plus DisplayPort outputs. It is a strong fit for a first-time PC builder or an upgrade focused on modern storage and straightforward connectivity. Key build-friendly extras include BIOS FlashBack, a pre-mounted I/O shield, and included M.2 mounting accessories. Storage speeds and lane support vary by CPU.
Compatibility
AMD AM5 socket
AMD Ryzen 9000 series processors
AMD Ryzen 8000 series processors
AMD Ryzen 7000 series processors
Frequently asked questions
Which CPUs are supported?
This motherboard is designed for AMD Ryzen 9000, 8000, and 7000 series processors on the AM5 socket.
What storage does it support?
It includes three M.2 slots and four SATA 6 Gb/s ports. M.2 speed depends on the installed CPU and slot.
What comes in the box?
Included accessories are two SATA 6 Gb/s cables, three M.2 screws, one M.2 rubber pad, a quick guide, and an ACC Express activation card.
FT-9335CE3215A50F02FFDD
1 Item
Data sheet
Color
Black
Compatible printers
AMD Ryzen 9000, 8000, 7000 series processors
Connectivity
2.5Gb Ethernet, HDMI, DisplayPort, USB Type-C
Dimensions
30.5 x 24.4 cm
Capacity
256 GB
Specific References
ASUS ATX AM5 motherboard with DDR5, 3 M.2 slots, 4 SATA ports, and 2.5Gb Ethernet.