ASRock B550M Pro4 AM4 mATX Motherboard

The ASRock B550M Pro4 is a Micro ATX motherboard designed around the AMD B550 chipset for processors using the AM4 socket. It enables PCIe 4.0 support for the primary graphics card and M.2 storage slot when paired with compatible AMD Ryzen CPUs, providing increased bandwidth for high-performance components. The board's power delivery system is supplied by standard 24-pin and 8-pin connectors, ensuring stable operation for the processor and other system components. Its compact form factor makes it a suitable base for PC builds where space is a consideration.

This motherboard accommodates up to 128 GB of dual-channel DDR4 memory across four DIMM slots, with support for overclocked speeds. For storage, it is equipped with two M.2 slots and six SATA III ports, allowing for a combination of high-speed solid-state drives and larger capacity hard drives with RAID 0, 1, and 10 support. The rear I/O panel includes a variety of modern connectivity options, such as USB 3.2 Gen 2 Type-A and Type-C ports, Gigabit Ethernet, DisplayPort 1.4, and HDMI 2.1. Internal headers are available for front panel connections, system fans, and RGB lighting strips.

• Features the AMD B550 chipset and AM4 socket
• Micro ATX form factor for compact system builds
• Supports up to 128 GB of DDR4 memory across four slots
• Provides two M.2 slots and six SATA III ports for storage
• Includes one PCIe 4.0 x16 slot for modern graphics cards
• Equipped with a Gigabit Ethernet port for wired networking
• Offers rear USB 3.2 Gen 2 Type-C and Type-A connectivity
• Utilizes a Realtek ALC1220/ALC1200 audio codec
• Provides onboard headers for RGB lighting and a TPM module