The Gigabyte B650 UD AX is a full-size ATX motherboard designed for AMD processors, specifically supporting the AMD Ryzen 7000, 8000, and 9000 series via Socket AM5. Built around the AMD B650 chipset, this black-colored board measures 305 x 244 x 244 mm and offers a solid foundation for both everyday computing and more demanding workloads. It supports DDR5 memory across four DIMM slots in dual-channel configuration, with a maximum capacity of 256 GB and memory speeds ranging from 4800 MHz up to 7600 MHz via overclocking.
Expansion and Storage
The Gigabyte B650 UD AX is well-equipped for storage and expansion needs. It features three M.2 slots, with the first supporting up to PCIe 5.0 and a maximum size of 25110, while the second and third slots support PCIe 4.0 at up to 22110. Additional storage connectivity is provided through four SATA III connectors. For expansion cards, the board includes one PCIe x16 Gen 4 slot and two PCIe 3.0 x16 slots, offering flexibility for graphics cards and other peripherals.
Connectivity and Wireless
On the connectivity front, this motherboard includes a comprehensive USB layout with USB 3.2 Gen 1 and Gen 2 ports in both Type-A and Type-C configurations, alongside multiple USB 2.0 ports. Display output is handled via one HDMI 2.1 and one DisplayPort 1.4. Wireless connectivity is covered by Wi-Fi 6 (802.11ax) and Bluetooth 5.0, complemented by Gigabit Ethernet via the Realtek RTL8111H controller. Audio is managed by a Realtek ALC897 chip supporting 7.1-channel output.
Product number manufacturer:
B650 UD AX
Audio
BIOS
Connectivity
USB 3.2 (Gen 1) type A ports:
2
USB 3.2 (Gen 1) type C ports:
2
USB 3.2 (Gen 2) type A ports:
2
Energy management
Expansion slots
PCI Express 3.0 x16 slots:
2
Internal I/O
1st M.2 maximum slot size:
25110
1st M.2 slot PCI Express generation:
5.0
2nd M.2 maximum slot size:
22110
2nd M.2 slot PCI Express generation:
4.0
3rd M.2 maximum slot size:
22110
3rd M.2 slot PCI Express generation:
4.0
ATX Power connector (24-pin):
Chassis fan connector(s):
3
EPS power connector (8-pin):
Front panel audio connector:
USB 3.1 (3.1 Gen 2) connectors:
0
USB 3.1 (Gen 1) header(s):
2
Memory
Supported memory clock speeds:
4800 MHz
Supported memory clock speeds (OC):
7600 MHz
Networking
Network technology (wired):
Wi-Fi 1 (802.11b), Wi-Fi 2 (802.11a), Wi-Fi 3 (802.11g), Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Packaging content
Norton Internet Security (OEM version)
LAN bandwidth management software
Physical characteristics
Processor
Compatible processor series:
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Sockets
Technical details
Video
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