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Motherboards

B650 UD AC

Model B650 UD AC

AMD B650 ATX motherboard for Socket AM5 processors, with 4 DDR5 slots (up to 256 GB) and Wi-Fi 5.

Socket
AM5
Chipset
AMD B650
Form factor
ATX
Memory
4 x DDR5, up to 256 GB
Wireless
Wi-Fi 5
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Overview Specifications Media Platform and pairing Support
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Overview

Highlights

  • AMD Socket AM5: Supports AMD Ryzen 7000 / Ryzen 8000 / Ryzen 9000 Series Processors
  • 6+2+2 Phases Digital VRM Solution
  • Dual Channel DDR5: 4 x SMD DIMMs with AMD EXPO & Intel XMP Memory Module Support
  • Storage: 1 x PCIe 5.0 + 2 x PCIe 4.0 M.2 Connectors
  • EZ-Latch: PCIe x16 Slot with Quick Release Design
  • Networking: Wi-Fi 802.11ac & GbE LAN

Platform

Socket
AM5
Chipset
AMD B650
Form factor
ATX 30.5 x 24.4 cm
Memory
DDR5
  • 4 DIMM slots
  • Up to 256 GB
  • Up to 8000 MT/s (OC)
Dual channel
Processor support
  • AMD Ryzen 7000
  • Ryzen 8000
  • Ryzen 9000 series processors
Expansion slots
  • 1 x PCIe x16 slot, integrated in the CPU:, AMD Ryzen 7000 Series Processors/ Ryzen 9000 Series Processors support PCIe 4.0 x16 mode, AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x8 mode, AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4 mode
  • 2 x PCIe x16 slots, integrated in the CPU, PCIe 3.0 at x1
  • 1 x PCIe x16 slot, integrated in the Chipset, PCIe 3.0 at x1
Storage
3 x M.2
  • 4 x SATA 6Gb/s
Fastest M.2 slot: PCIe 5.0 x4
LAN
  • Realtek GbE LAN
Wireless
Bluetooth 5.0
Display outputs
1 x HDMI, 1 x DisplayPort For processors with integrated graphics
Power inputs
  • 24-pin ATX
  • 1 x 8-pin ATX 12V

At a glance

Platform
AMD
Socket
AM5
Chipset
B650
Form factor
ATX
Memory
DDR5
Wireless
Wi-Fi 5
Series
Ultra Durable
Full specifications

Specifications

Platform

CPU
AMD Socket AM5, support for:AMD Ryzen 7000 / Ryzen 8000 / Ryzen 9000 Series Processors
Chipset
AMD B650
Memory
Support for DDR5 8000(OC)/ 7800(OC)/ 7600(OC)/ 7200(OC)/ 7000(OC)/ 6800(OC)/ 6600(OC)/ 6400(OC)/ 6200(OC)/ 6000(OC)/ 5600(OC)/ 5200/ 4800 MT/s memory modules4 x DDR5 DIMM sockets supporting up to 256 GB (64 GB single DIMM capacity) of system memoryDual channel memory architectureSupport for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modulesSupport for AMD EXtended Profiles for Overclocking (AMD EXPO) and Extreme Memory Profile (XMP) memory modules(The CPU and memory configuration may affect the supported memory types, data rate (speed), and number of DRAM modules, please refer to "Memory Support List" on GIGABYTE's website for more information.)

Graphics and audio

Onboard graphics
Integrated Graphics Processor:, 1 x DisplayPort, supporting a maximum resolution of 3840x2160@144 Hz* Support for DisplayPort 1.4 version., 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz* Support for HDMI 2.1 version and HDCP 2.3.** Support for native HDMI 2.1 TMDS compatible ports.(Graphics specifications may vary depending on CPU support.)
Audio
Realtek Audio CODECHigh Definition Audio2/4/5.1/7.1-channel* You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.

Networking

LAN
Realtek GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)
Wireless communication module
AzureWave Wi-Fi AW-CB304NF/AW-CB515NF (Realtek RTL8821CE), WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band, BLUETOOTH 5.0, Support for 11ac wireless standard(Actual data rate may vary depending on environment and equipment.)

Expansion and storage

Expansion slots
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:, AMD Ryzen 7000 Series Processors/ Ryzen 9000 Series Processors support PCIe 4.0 x16 mode, AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x8 mode, AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4 mode* The PCIEX16 slot can only support a graphics card or an NVMe SSD. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot.2 x PCI Express x16 slots (PCIEX1_1/PCIEX1_2), integrated in the CPU, supporting PCIe 3.0 and running at x1* The PCIEX1_1 and PCIEX1_2 slots become unavailable when an AMD Ryzen 8000 Series-Phoenix 2 processor is used.1 x PCI Express x16 slot (PCIEX1_3), integrated in the Chipset, supporting PCIe 3.0 and running at x1
Storage interface
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 25110/22110/2580/2280 SSDs:, AMD Ryzen 7000 Series Processors/ Ryzen 9000 Series Processors support PCIe 5.0 x4/x2 SSDs, AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x4/x2 SSDs, AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x4/x2 SSDs1 x M.2 connector (M2P_CPU), integrated in the CPU, supporting Socket 3, M key, type 22110/2280 SSDs:, AMD Ryzen 7000 Series Processors/ Ryzen 9000 Series Processors support PCIe 4.0 x2 SSDs, AMD Ryzen 8000 Series-Phoenix 1 Processors support PCIe 4.0 x2 SSDs, AMD Ryzen 8000 Series-Phoenix 2 Processors support PCIe 4.0 x2 SSDs1 x M.2 connector (M2C_SB), integrated in the Chipset, supporting Socket 3, M key, type 22110/2280 PCIe 4.0 x4/x2 SSD support)4 x SATA 6Gb/s connectorsRAID 0, RAID 1, and RAID 10 support for NVMe SSD storage devicesRAID 0, RAID 1, and RAID 10 support for SATA storage devices

Ports and connectors

USB
CPU:, 2 x USB 3.2 Gen 2 Type-A ports (red) on the back panel 1 x USB Type-C port on the back panel, with USB 3.2 Gen 1 supportCPU+USB 2.0 Hub:, 4 x USB 2.0/1.1 ports on the back panelChipset:, 2 x USB 3.2 Gen 1 ports available through the internal USB header 1 x USB Type-C port with USB 3.2 Gen 1 support, available through the internal USB header 4 x USB 2.0/1.1 ports (2 ports on the back panel, 2 ports available through the internal USB header)Chipset+USB 2.0 Hub:, 4 x USB 2.0/1.1 ports available through the internal USB headers
Internal I/O connectors
1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector1 x CPU fan header1 x CPU fan/water cooling pump header2 x system fan headers1 x system fan/water cooling pump header3 x addressable RGB Gen2 LED strip headers1 x RGB LED strip header3 x M.2 Socket 3 connectors4 x SATA 6Gb/s connectors1 x front panel header1 x front panel audio header1 x USB Type-C header, with USB 3.2 Gen 1 support1 x USB 3.2 Gen 1 header3 x USB 2.0/1.1 headers1 x Trusted Platform Module header (For the GC-TPM2.0 SPI/GC-TPM2.0 SPI 2.0/GC-TPM2.0 SPI V2 module only)1 x Q-Flash Plus button1 x serial port header j1 x Clear CMOS jumper
Back panel connectors
1 x DisplayPort1 x HDMI port1 x PS/2 keyboard/mouse port2 x SMA antenna connectors (2T2R)1 x USB Type-C port, with USB 3.2 Gen 1 support2 x USB 3.2 Gen 2 Type-A ports (red)6 x USB 2.0/1.1 ports1 x RJ-45 port3 x audio jacks
I/O controller
iTE I/O Controller Chip

Firmware and software

H/W monitoring
Voltage detectionTemperature detectionFan speed detectionWater cooling flow rate detectionFan fail warningFan speed control* Whether the fan (pump) speed control function is supported will depend on the fan (pump) you install.
BIOS
1 x 256 Mbit flashUse of licensed AMI UEFI BIOSPnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Unique features
Support for GIGABYTE Control Center (GCC)Support for Q-FlashSupport for Q-Flash Plus
Bundle software
Norton Internet Security (OEM version)LAN bandwidth management software
Operating system
Support for Windows 11 64-bitSupport for Windows 10 64-bit

Board

Form factor
ATX Form Factor; 30.5cm x 24.4cm

Specifications are taken from the manufacturer's published information and may change. Confirm critical values with our sales desk before ordering.

GIGABYTE product page

Media

Photos 3

Downloads

Official information

GIGABYTE product page for B650 UD AC gigabyte.com

Platform and pairing

Processor and memory

Supplied by brand rather than listed by model. Name the part you need in your enquiry.

Graphics cards

A spread of current cards, from top tier to entry level. Each card page lists its length and recommended power supply.

All 68 graphics cards

Power supplies

Ratings from 400 W to 3000 W. This board's power inputs: 24-pin ATX and 1 x 8-pin ATX 12V. Size the supply to the recommended PSU of the graphics card you fit.

All 229 power supplies

CPU coolers for AM5

Coolers whose specifications list socket AM5.

All 8 CPU coolers
  • GIGABYTE GP-GIGABYTE GME 240

    GIGABYTE

    GAMING 240

    GP-GIGABYTE GME 240

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE GME 240I

    GIGABYTE

    GAMING 240 ICE

    GP-GIGABYTE GME 240I

    • 240 mm
    • 2 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details
  • GIGABYTE GP-GIGABYTE EAGLE 360

    GIGABYTE

    EAGLE 360

    GP-GIGABYTE EAGLE 360

    • 360 mm
    • 3 x 120 mm
    • Intel 1851/1700/115X/1200, AMD AM5/AM4
    View details

Cabinets for ATX boards

Cabinets whose specifications list ATX motherboard support.

All 10 cabinets

Parts to plan with this motherboard

Check sockets, memory type, power connectors and dimensions against the specifications before ordering, or ask our sales desk to confirm a build.

Support

Warranty and repairs

Warranty is as per GIGABYTE’s terms for this model. For products bought from us, call our service team with the invoice number, the model and the product’s serial number.

From GIGABYTE

Practical notes

  1. Update the BIOS only from the official support page, following the brand’s instructions.
  2. Check the CPU support list for the BIOS version before buying a processor.
  3. Install chipset, LAN and audio drivers from the official support page.

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Pairs with

GIGABYTE B650 UD AC 1 / 3