buy Motherboard Asus PRIME B550M-A AMD AM4 AMD B550 AMD . The Asus 90MB14I0-M0EAYC motherboard is an essential component designed for high-performance setups under AMD architecture, compatible with AMD Ryzen 5000, 4000 G, and 3000 series processors thanks to its AMD AM4 socket. This MicroATX (mATX) motherboard with AMD B550 chipset features compact dimensions of 24.4 cm x 24.4 cm, ideal for systems requiring a small size without sacrificing advanced features. It supports up to 128 GB of DDR4 memory in a four DIMM dual-channel configuration, with frequencies reaching up to DDR4 4866 MHz in overclocking, offering flexibility to adjust performance according to user needs and compatible processor capabilities. Its design includes a PCIe 4.0 x16 slot and additional PCIe 3.0 x1 slots for expansion cards, providing support for graphics cards and other peripherals. For graphics options, it offers D-Sub, DVI-D, and HDMI 2.1 outputs, the latter supporting 4K resolution at 60 Hz when using a processor with integrated GPU, enabling direct connection to modern monitors without dedicated graphics. The motherboard includes multiple internal connectivity options, featuring a wide range of USB 3.2 Gen 1 and Gen 2 ports, along with USB 2.0 ports, allowing ample room for peripherals and external storage. It also has two M.2 slots supporting NVMe and SATA storage devices in various sizes (2242 to 22110), expanding options for high-speed SSDs, plus four SATA 6 Gb/s ports for additional hard drives and SSDs. Its audio solution is based on the Realtek ALC887/897 chipset with 7.1 surround sound and dedicated shielding, ensuring optimal audio quality and interference isolation, also offering front panel audio jack detection and reassignment. For networking, it includes a Realtek RTL8111H 1 Gb Ethernet adapter for fast and stable wired connections. The rear I/O panel features, among others, a combined PS/2 connector for keyboard and mouse, two USB 3.2 Gen 2 ports, four USB 3.2 Gen 1 ports, as well as the mentioned video and audio outputs. Its features are complemented by several system management and lighting options, including fan connectors, second-generation addressable Aura RGB strips, and advanced power options with 24-pin EATX and 8-pin 12 V connectors to ensure power stability. It also supports the Windows 10 64-bit operating system, ensuring compatibility with a wide range of software and drivers. Overall, this motherboard offers a balanced solution for users looking to build AMD-based systems with updated support, full expansion, and advanced multimedia capabilities in a compact form factor. Chipset: AMD AM4AMD B550AMDConnections: DVISata IIM.2HDMI 2.1RJ45PS/2VGAEthernet LANHDMIUSB 2.0USB 3.2Sata IIIHDMI x 12 x USB 2.0MicrophoneSATA x 4PS/2 x 1DIMM4 x USB 3.2 Gen 1 (3.1 Gen 1)2 x USB 3.2 Gen 2 (3.1 Gen 2)RJ45 x 1Form factor: mATXMicroATXHard Drive: 128 GB SSDType: MotherboardPCI Express 3.0ATXUEFIMemory Type: DDR4Processor: AMDColour: BlackPlatform: WindowsOperating System: Windows 10Interface: Gigabit EthernetMemory: 256 MBNumber of memory slots: 4Speakers: 7.1RAM Memory: 1 GB RAMCompatible: DDR4-SDRAMPCSound: Realtek ALC887Socket: AMD AM4Not included: WiFiConnectivity: Realtek 8111HFrequency: 2133 MHzProcessor Family: AMD