CPU

Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update

Chipset

AMD B550 Chipset

Memory

• 4x DDR4 memory slots, support up to 128GB

  • Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC

  • Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733 / 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE

    • 1DPC 1R max speed 4400 MHz

    • 1DPC 2R max speed 3866 MHz

    • 2DPC 1R max speed 4000 MHz

    • 2DPC 2R max speed 3600 MHz

• Dual channel memory architecture

• Supports non-ECC UDIMM memory

• Supports ECC UDIMM memory (non-ECC mode)

• Supports un-buffered memory

1. Please refer for more information on compatible memory.

Expansion Slots

• 1x PCIe 4.0/ 3.0 x16 slot (PCI_E1)

• 1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed

• 2x PCIe 3.0 x1 slots

1. The supported specification depends on installed processor.

2. When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.

Onboard Graphics

• 1x HDMI™ 2.1 port, supports a maximum resolution of 4096×2160 @60Hz

• 1x DisplayPort, supports a maximum resolution of 4096×2160 @60Hz

• Maximum shared memory of 16 GB

1. Available for the processor with integrated graphics.

2. Graphics specifications may vary depending on the CPU installed.

Multi-GPU

• Supports 2-Way AMD CrossFire™ Technology

Storage

AMD B550 Chipset

• 6x SATA 6Gb/s ports

• 2x M.2 slots (Key M)

  • M2_1 slot (from AMD Processor)

    • Supports PCIe 4.0/ 3.0 x4

    • Supports SATA 6Gb/s

    • Supports 2242/ 2260/ 2280/ 22110 storage devices

  • M2_2 slot (from AMD B550 chipset)

    • Supports PCIe 3.0×4

    • Supports 2242/ 2260/ 2280 storage devices

1. The supported specification depends on installed processor.

RAID

• Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices

• Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

USB

AMD B550 Chipset

• 3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)

• 8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)

AMD Processor

• 2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)

• 2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

Audio

Realtek® ALC892/ALC897 Codec

• 7.1-Channel High Definition Audio

• Supports S/PDIF output

LAN

• 1x Realtek® 8111H Gigabit LAN controller

Internal connectors

• 1x 24-pin ATX main power connector

• 1x 8-pin ATX 12V power connector

• 6x SATA 6Gb/s connectors

• 2x M.2 slots (M-Key)

• 1x USB 3.2 Gen 1 5Gbps Type-C port

• 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)

• 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)

• 1x 4-pin CPU fan connector

• 1x 4-pin water-pump fan connector

• 6x 4-pin system fan connectors

• 1x Front panel audio connector

• 2x System panel connectors

• 1x Chassis Intrusion connector

• 1x 4-pin RGB LED connector

• 2x 3-pin RAINBOW LED connectors

• 1xTPM module connector

• 1x Clear CMOS jumper

Back panel ports

1. PS/2 Combo Port

2. DisplayPort

3. LAN Port

4. USB 3.2 Gen 2 10Gbps (Type-A)

5. HD Audio Connectors

6. Flash BIOS Button

7. USB 2.0

8. HDMI™

9. USB 2.0

10. USB 3.2 Gen 1 5Gbps (Type-A)

11. USB 3.2 Gen 2 10Gbps (Type-C)

12. Optical S/PDIF OUT

LED Features

• 1x EZ LED Control switch

• 4x EZ Debug LED

I/O Controller

NUVOTON NCT6687-R Controller Chip

Hardware Monitor

• CPU/ System/ Chipset temperature detection

• CPU/ System/ Pump fan speed detection

• CPU/ System/ Pump fan speed control

Dimensions

• ATX Form Factor

• 12 in. x 9.6 in. (30.5 cm x 24.4 cm)

Mounting

9 mounting holes