Chipset: B550

Size format: ATX (30.5cm x 24.4cm) Processor Support: AMD Ryzen 5000 Series/5000 G-Series/4000 G-Series/3000 Series

Memory positions: 4 x DIMM, DDR4 Memory support:

• AMD Ryzen 5000 and 3000 Series Desktop Processors
• DDR4 4800 (OC)/4666 (OC)/4600 (OC)/4400 (OC)/4266 (OC)/4133 (OC)/4000 (OC)/3866 (OC)/3733 (OC)/3600 (OC)/3466 (OC)/3400 (OC)/3200/3000/2933/2800/2666/2400/2133 MHz
• AMD Ryzen 5000 and 4000 G-Series Processors
• DDR4 5100 (OC)/4866 (OC)/4600 (OC)/4466 (OC)/4400 (OC)/4266 (OC)/4133 (OC)/4000 (OC)/3866 (OC)/3600 (OC)/3466 (OC)/3200/3000/2800/2666/2400/2133 MHz

Max. RAM size: 128 GB Memory type support: ECC

Sound card: ROG SupremeFX 7.1-Channel High Definition Audio CODEC S1220A

Network card:

• 1 x Intel I225-V 2.5Gb Ethernet
• WI-FI 2x2 Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
• Bluetooth v5.2

Expansion slots:

• 1 x PCIe 4.0 x16 SafeSlot (supports x16 mode)
• 1 x PCIe 3.0 x16 slot (supports x4 mode)
• 3 x PCIe 3.0 x1 slots

RAID controller: RAID 0, 1, 10

SATA: 6 x SATA 6Gb/s ports

M.2: 2 x M.2 slots (Key M)

USB:

• Internal:
• 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
• 2 x USB 2.0 headers support additional 4 USB 2.0 ports
• External:
• 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
• 4 x USB 3.2 Gen 1 ports (4 x Type-A)
• 2 x USB 2.0 ports

Internal ports:

• Fan and cooling related
• 1 x 4-Pin AIO_Pump header
• 1 x 4-Pin CPU fan header
• 1 x 4-Pin CPU_OPT fan header
• 3 x 4-Pin Chassis fan headers
• Power related
• 1 x 24-pin main power connector
• 1 x 8-pin + 12V power connector
• 1 x 4-pin + 12V power connector
• Storage related
• 2 x M.2 slots (Key M)
• 6 x SATA 6Gb/s ports
• USB ports
• 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
• 2 x USB 2.0 headers support additional 4 USB 2.0 ports
• Miscellaneous
• 1 x Addressable Gen 2 header
• 2 x AURA RGB headers
• 1 x Clear CMOS header
• 1 x Front panel audio header (AAFP)
• 1 x 20-3 pin System Panel header with Chassis intrude function
• 1 x Thermal sensor header
• 1 x Thunderbolt header

External ports:

• 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C)
• 4 x USB 3.2 Gen 1 ports (4 x Type-A)
• 2 x USB 2.0 ports
• 1 x Wi-Fi Module
• 1 x DisplayPort
• 1 x HDMI port
• 1 x Intel I225-V 2.5G Ethernet
• 1 x Optical S/PDIF out
• 5 x Audio jacks
• 1 x BIOS FlashBack button

BIOS: UEFI AMI BIOS, 256 Mb Flash ROM