The Asus Prime B550-Plus is an AM4 socket motherboard equipped with the AMD B550 chipset for 3rd generation AMD Ryzen processors. The motherboard also supports next-generation AMD Ryzen processors with a BIOS update. The PCIe 4.0 support of the B550 chipset provides the necessary bandwidth for high-speed SSDs and next-generation graphics cards!

Asus Prime B550 series motherboards offer the essential features to build a quality system at an affordable price. Prime B550 motherboards are well suited for gaming and work use, providing quality power delivery even for the most powerful AMD Ryzen processors.

Features:

• Chipset: AMD B550
• Processor socket: AM4
• Processor support: 3rd generation Ryzen series processors
• Motherboard size: ATX
• Memory slots (pcs): 4
• Memory type: DDR4
• Maximum memory (GB): 128
• Network interfaces: Realtek RTL8111H Gigabit LAN
• Sound card: Realtek ALC887
• CrossFireX support: Yes
• SLI support: No

Expansion slots

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

Storage interfaces

• M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
• M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)
• 6 x SATA 6Gb/s ports

Rear panel connectors

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

Internal connectors

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