Product Description

Level up your gaming rig with the ASUS ROG Strix B550-A Motherboard. Socket AM4 and DDR4 support provide a solid foundation for high-performance gaming. This ATX motherboard boasts gaming-centric features for an immersive experience, delivering power and style in one sleek package.

Product Specifications

• CPU: AMD AM4 Socket 3rd Gen AMD Ryzen Processors
• Chipset: AMD B550
• Memory:
• 4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
• 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory
• Graphic:
• 1 x DisplayPort 1.2
• 1 x HDMI 2.1(4K@60HZ)
• Multi-GPU Support: Supports AMD 2-Way CrossFireX Technology
• Expansion Slots: AMD B550 Chipset
• 1 x PCIe 3.0 x16 (x4 mode) *
• 3 x PCIe 3.0 x1
• 1 x PCIe 4.0 x16 (x16 mode)
• Storage: 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIe 4.0 x4 mode)
• AMD B550 Chipset: 1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) *
• Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports
• 3rd Gen AMD Ryzen Processors: 6 x SATA 6Gb/s port(s)
• Support Raid 0, 1, 10
• LAN: Intel I225-V 2.5Gb Ethernet
• ASUS LANGuard
• Audio: Optical S/PDIF in port(s) at back panel
• Audio Shielding
• Premium Japanese audio capacitors
• Audio Cover
• Audio Feature: Due to limitations in HDA bandwidth, 32-Bit/192kHz is not supported for 8-Channel audio.
• USB Ports:
• Front USB Port (Total 6)
• 2 x USB 3.2 Gen 2 port(s) (1 x Type-A +1 x USB Type-C)
• Rear USB Port (Total 8)
• 4 x USB 3.2 Gen 1 port(s)(4 x Type-A)
• 2 x USB 3.2 Gen 1 port(s)
• 2 x USB 2.0 port(s)
• 4 x USB 2.0 port(s)
• Back I/O Ports:
• 1 x BIOS FlashBack Button(s)
• 2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
• 1 x Intel I225-V 2.5Gb Ethernet
• 4 x USB 3.2 Gen 1
• 5 x Gold-plated audio jacks
• ASUS Wi-Fi module (Wi-Fi 802.11 a/b/g/n/ac and Bluetooth v5.0)
• 1 x DisplayPort
• 1 x HDMI
• 2 x USB 2.0
• 1 x Optical S/PDIF out
• Internal I/O Ports:
• 1 x M.2 Socket 1 with M key, type 2242/2260/2280/22110 storage devices support(SATA & PCIe 4.0 x4 mode)
• 1 x M.2 Socket 2 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
• 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s)
• 1 x Thunderbolt header(s)
• 1 x CPU Fan connector(s)
• 1 x CPU OPT Fan connector(s)
• 3 x Chassis Fan connector(s)
• 1 x AIO_PUMP connector
• 1 x AAFP connector
• 2 x Aura RGB Strip Header(s)
• 1 x Thermal sensor connector(s)
• 1 x Addressable Gen 2 header(s)
• 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
• 6 x SATA 6Gb/s connector(s)
• 1 x 24-pin EATX Power connector(s)
• 1 x 8-pin ATX 12V Power connector(s)
• 1 x 4-pin ATX 12V Power connector(s)
• 1 x System panel(s)
• 1 x Clear CMOS jumper(s)
• Accessories:
• 1 x M.2 SSD screw package(s)
• 1 x M.2 Rubber Package(s)
• 1 x ROG Strix stickers
• 1 x Cable ties pack(s)
• 1 x ROG Thank you card
• 4 x SATA 6Gb/s cable(s)
• Users manual: 1 x Supporting DVD
• 1 x Extension cable for Addressable LED
• BIOS: 256 Mb Flash ROM, UEFI AMI BIOS
• Manageability: WOL by PME, PXE
• Operating System: Windows 10 64-bit
• Form Factor: 12-inch x 9.6 inch (30.5 cm x 24.4 cm)
• ATX Form Factor
• Note: Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3
• When the M.2_2 Socket 3 is populated, SATA6G_5/6 ports will be disabled.

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