Name: Asrock B550M Phantom Gaming 4 - Motherboard - Micro ATX - AMD B550 - Socket AM4 - Black
Brand: Asrock

ASRock B550M Phantom Gaming 4 is a Micro ATX motherboard designed for Socket AM4 systems and compatible with AMD Ryzen 3000 Series processors, offering a solid balance of features when it was introduced.

This board uses the AMD B550 chipset to deliver modern connectivity and reliable performance for mainstream gamers and content creators. With support for a single Socket AM4 CPU and robust power delivery, it is well suited to everyday gaming, multimedia creation, and general-purpose PCs.

Memory support is extensive, with four DIMM slots supporting up to 128 GB of DDR4 in dual-channel mode, including ECC and non‑ECC modules. Supported memory speeds range from 2133 MHz up to high overclocked profiles above 4000 MHz, enabling responsive multitasking and improved application performance.

Storage options include four SATA III connectors and a single M.2 slot, allowing you to combine HDDs and SSDs for capacity and speed. The board supports modern graphics output through HDMI 2.1 and DisplayPort 1.4, reaching a maximum resolution of 5120 x 2880 pixels and supporting HDCP for protected content.

Connectivity on the rear I/O is practical and gamer-friendly: Gigabit Ethernet driven by a Realtek RTL8111H controller, multiple USB ports (two USB 2.0 and four USB 3.2 Gen1 Type-A), one PS/2 port, one HDMI and one DisplayPort. There is no onboard Wi‑Fi, but the available PCIe and header options make it straightforward to add networking expansion.

Cooling and system management features include three chassis fan connectors, a CPU fan connector, PC health monitoring for fan, temperature and voltage, plus a TPM header and RGB LED pin header for customization. The board also supplies 7.1-channel audio via a Realtek ALC887/ALC897 codec and offers UEFI AMI BIOS with 256 Mbit memory for flexible system tuning.

Typical use cases for the ASRock B550M Phantom Gaming 4 include building a compact gaming rig, a home multimedia workstation, or a general-purpose office PC that benefits from fast storage and modern display outputs. Its micro ATX size (244 x 244 mm) keeps builds compact without sacrificing expandability.

Key selling points: reliable B550 platform, wide DDR4 compatibility up to 128 GB, HDMI 2.1 and DisplayPort 1.4 support, multiple PCIe slots and M.2 storage, Gigabit LAN, and extensive fan and RGB headers for system customization.