Asus Prime B550M-K AM4 Micro ATX AMD Motherboard
Asus Prime B550M-K AM4 Micro ATX AMD Motherboard is compatible with AMD Ryzen Gen 3 CPUs or APUs using the AM4 socket. Install 128GB of dual-channel DDR4 RAM across four slots, with speeds up to 4800 MHz supported when overclocking. Users can also install storage drives using two M.2 and four SATA III interfaces. Install a graphics card using a PCIe 4.0 x16 slot, and other adapter cards can be connected using two PCIe 3.0 x1 slots.
A rear I/O panel sports four USB 3.2 Gen 1 and two Gen 2 Type-A ports. A legacy mouse or keyboard can also be connected using a PS/2 combo port, while displays can be attached using an HDMI, DVI-D, or VGA connection. An RJ45 port facilitates a Gigabit Ethernet connection. Furthermore, three 3.5mm audio ports are also present on the back panel.
Internal headers include a USB 3.2 Gen 1 and two USB 2.0 connectors, supporting two and four Type-A ports, respectively. CPU and case fan connectors are also present, and SPI TPM header accommodates an optional, user-installed TPM chip. Audio headers include S/PDIF and speaker connectors, as well as AAFP audio connectors for front-panel ports. A clear CMOS jumper is also incorporated into the motherboard. Audio relies on the Realtek ALC887 codec, supporting 7.1 Surround Sound. The ASUS Prime B550M-K AM4 Micro-ATX Motherboard is compatible with Windows 10 64-bit operating systems.
AMD B550 Chipset
The AMD B550 chipset is compatible with 3rd Generation Ryzen CPUs and APUs using the AM4 socket.
Flexible Cooling Controls
Fan Xpert 4 software provides comprehensive control over fans, water pumps, and all-in-one or AiO coolers. Whether cooling with air or water, an Auto-Tuning mode allows you to configure all parameters with a single click. There’s also an Extreme Quiet mode that reduces all fan speeds below the default minimum to keep your system quiet when performing light tasks. Fans, water pumps, and AiO coolers can also be controlled via the UEFI BIOS.
Digi+ VRM Control
The Digi+ voltage regulator module or VRM delivers real-time control over voltage drop, automatically switching frequency and power-efficiency settings. It also allows you to fine-tune your CPU for stability and performance.
Cooler by Design
Prime B550M-K is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads.
Numerous USB ports support high-end rigs loaded with peripherals, including two rear-panel USB Type-A connectors with fast USB 3.2 Gen 2 connectivity for compatible cases.
Armoury Crate is a software utility designed to give you centralized control of supported products, from a single intuitive interface. Armoury Crate provides control of settings for ASUS products, including keyboard and mouse preferences. This software even features dedicated product registration and highlight to help you stay in touch with the ASUS community.