ASUS PRIME B550-PLUS

Chipset: AMD B550

Dimensional format: ATX Form Factor (305 mm x 244 mm)
Processor Support: AMD AM4 Socket 3rd Gen AMD Ryzen ™ Processors
Processor socket: AM4

Memory position: 4x DDR4 DIMM
Memory support:

• 4600 (OC)/4400 (OC)/4266 (OC)/4133 (OC)/4000 (OC)/3866 (OC)/3733 (OC)/3600 (OC)/3466 (OC)/3333 (OC)/3200/3000/2800/2666/2400/2133 MHz ECC and non-ECC, Un-buffered Memory
• Next Generation AMD Ryzen PRO Processors - 4800 (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 ECC and non-ECC, Un-buffered Memory

Max. RAM size: 128 GB
Support for memory type: DDR4

• Dual Channel Memory Architecture

Graphics card: (based on processor)

• 1x DisplayPort 1.2
• 1x HDMI 2.1 (4K @ 60HZ)

Multi GPU:

• AMD 2-Way CrossFireX Technology

Sound card:

• Realtek ALC887 7.1-Channel High Definition Audio CODEC

Network card:

• Realtek® RTL8111H (ASUS LANGuard)

Expansion slots:

• 1x PCIe 4.0 x16 (x16 mode)
• 1x PCIe 3.0 x16 (x4 mode)
• 3x PCIe 3.0 x1

RAID controller: 0, 1, 10

SATA:

• 6x SATA 6Gb/s port (s)

M.2:

• 1x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)
• 1x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)

USB:

• rear USB ports (total 8)
• 2x USB 3.2 Gen 2 port (s) (1 x Type-A +1 x USB Type-C®)
• 4x USB 3.2 Gen 1 port (s) (4 x Type-A)
• 2x USB 2.0 port (s) (2 x Type-A)
• front USB ports (total 6)
• 2x USB 3.2 Gen 1 port (s) (2 x Type-A)
• 4x USB 2.0 port (s) (4 x Type-A)

Internal ports:

• 1x CPU Fan connector (s)
• 1x CPU OPT Fan connector (s)
• 3x Chassis Fan connector (s)
• 1x AIO_PUMP connector
• 2x Aura RGB Strip Headers
• 1x Addressable Gen 2 header (s)
• 1x USB 3.2 Gen 1 (up to 5Gbps) connector (s) support (s) additional 2 USB 3.2 Gen 1 port (s)
• 2x USB 2.0 connector (s) support (s) additional 4 USB 2.0 port (s)
• 1x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)
• 1x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
• 1x SPI TPM header
• 6x SATA 6Gb/s connector (s)
• 1x Thunderbolt header (s)
• 1x 24-pin EATX Power connector (s)
• 1x 8-pin EATX 12V Power connectors
• 1x Front panel audio connector (s) (AAFP)
• 1x Thermal sensor connector (s)
• 1x Clear CMOS jumper (s)
• 1x System panel connector
• 1x COM port header

External ports:

• 1x DisplayPort
• 1x HDMI
• 1x LAN (RJ45) port (s)
• 2x USB 3.2 Gen 2 (teal blue) (1 x Type-A + 1 x USB Type-C®)
• 4x USB 3.2 Gen 1 (blue) Type-A
• 2x USB 2.0
• 1x Optical S/PDIF out
• 5x Audio jack (s)

Package contents:

• User manual
• I/O Shield
• 2x SATA 6Gb/s cable (s)
• 1x Supporting DVD
• 1x M.2 SSD screw package (s)

BIOS: 256 Mb Flash ROM, UEFI AMI BIOS

Manufacturer website: https://www.asus.com/Motherboards/PRIME-B550-PLUS
https://www.asus.com/microsite/motherboard/ASUS-motherboards-Win11-ready/
https://www.asus.com/support/FAQ/1046215