ASUS ROG Strix B550-A Gaming AM4 ATX Motherboard 

Get ample connectivity without skimping on performance with the ROG Strix B550-A Gaming AM4 ATX Motherboard from ASUS. Designed for use with CPUs using the AM4 socket, this board features the AMD B550 chipset. Install up to 128GB of dual-channel DDR4 RAM across four slots, with speeds up to 5100 MHz supported when overclocking. Storage drives can be installed using six SATA III connectors or two M.2 slots. Up to two graphics cards can be installed using PCIe 4.0 x16 and PCIe 3.0 x16 slots, with support for 2-way AMD CrossFireX. Other adapter cards can be installed in three PCIe 3.0 x1 slots.
A rear I/O panel sports a USB 3.2 Gen 2 Type-A and Type-C port, as well as four USB 3.2 Gen 1 and two USB 2.0 Type-A ports. Connect displays using the DisplayPort or HDMI outputs, or connect the audio using a S/PDIF port or five 3.5mm jacks. An RJ45 port supports 2.5 Gigabit Ethernet, while a BIOS flashback button is also present. The ASUS ROG Strix B550-A Gaming AM4 ATX Motherboard utilizes the SupremeFX S1220A audio codec and supports Windows 10 64-bit operating systems.
AMD B550 Chipset
This motherboard uses the AMD B550 chipset and is compatible with AMD CPUs using the AM4 socket.
PCIe 4.0-Ready
The ROG Strix B550-A Gaming features two M.2 slots, one of which supports the PCIe 4.0 standard to provide optimum storage and data speeds via the 3rd Gen AMD Ryzen platform. Both M.2 slots support up to the type 22110 socket and NVM Express RAID for a performance boost.
ProCool Power Connector
The ProCool socket is built to ensure flush contact with the PSU powerlines, enabling lower impedance and efficient heat dissipation.
DIGI+ Power Control
ASUS DIGI+ Power Control allows you to tune VRAM and DRAM voltage for optimal system efficiency, stability, and performance.
Alloy Chokes and Capacitors
Alloy chokes and capacitors are designed to resist extreme temperatures.
Six-Layer PCB
This layered PCB dissipates heat around the VRM, improving overall system stability while providing overclocking headroom.
Intel 2.5 Gigabit Ethernet
Onboard 2.5 Gigabit Ethernet gives your wired connection a boost, with speeds that are 2.5 times faster than standard Ethernet connections for speedy file transfers, lag-free gaming, and high-res video streaming.
SupremeFX
Built-in ROG SupremeFX audio technology provides accurate audio and two front-panel op-amp outputs for gaming headsets.