Gigabyte B550M K, AM4, Ryzen 5000/4000/3000, DDR4

The Gigabyte B550M K motherboard, based on the AMD B550 chipset, is designed for versatile performance. Supporting AMD Ryzen 5000 Series and other compatible processors, this board offers dual M.2 slots, PCIe 4.0 capability, and robust connectivity. Its high-speed memory support, durable design, and user-friendly features make it a great choice for building efficient and reliable PCs.

Key Features

• Processor Compatibility: Supports AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors.
• Memory Support: 4 DIMM slots, up to 128GB, DDR4 speeds up to 4733MHz (OC).
• Graphics Outputs: DisplayPort 1.4 and HDMI 2.1 for high-resolution multi-display setups.
• Expansion Slots: PCIe 4.0 x16 slot and PCIe 3.0 x1 slot for graphics and add-ons.
• Storage Interface: Dual M.2 slots (PCIe 4.0 and PCIe 3.0) and four SATA 6Gb/s ports with RAID support.
• Networking: Realtek® GbE LAN for reliable wired connections.
• Enhanced Audio: Realtek® Audio CODEC with multi-channel support.
• Compact Design: Micro-ATX form factor for smaller builds without compromise.

Gigabyte B550M K Specifications

• Brand: GIGABYTE
• Model: B550M K
• Socket Type: AM4
• Chipset: AMD B550
• Processor Compatibility: AMD Ryzen™ 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 Series processors.
• Memory Support: 4 x DDR4 DIMM sockets, up to 128GB, DDR4 4733(O.C.), 4600(O.C.), 4400(O.C.), 4266(O.C.), 4133(O.C.), 4000(O.C.), 3866(O.C.), 3733(O.C.), 3600(O.C.), 3466(O.C.), 3400(O.C.), 3200, 2933, 2667, 2400, and 2133 MHz.
• Graphics Support: Integrated Graphics Processor, DisplayPort (5120×2880@60Hz, DisplayPort 1.4, HDR), HDMI (4096×2160@60Hz, HDMI 2.1, HDR), maximum shared memory 16GB.
• Expansion Slots: 1 x PCIe 4.0 x16 slot (Ryzen™ 5000/3000 processors), 1 x PCIe 3.0 x1 slot.
• Storage Interface: 1 x M.2 (PCIe 4.0 x4 & SATA with Ryzen™ 5000/3000, PCIe 3.0 with others), 1 x M.2 (PCIe 3.0 x2), 4 x SATA 6Gb/s (RAID 0, 1, 10).
• USB Ports: Rear: 4 x USB 3.2 Gen 1, 4 x USB 2.0; Internal: 2 x USB 3.2 Gen 1 headers, 1 x USB 2.0 header.
• Networking: Realtek® GbE LAN (1Gbps).
• Audio: Realtek® Audio CODEC, High Definition Audio, 2/4/5.1/7.1-channel support.
• RGB and Fan Control: 1 x system fan header, support for standard cooling solutions.
• BIOS: 128Mbit Flash, AMI UEFI BIOS.
• Operating System Support: Windows 11 64-bit, Windows 10 64-bit.
• Form Factor and Dimensions: Micro ATX, 24.4 cm x 24.4 cm.

Processor Compatibility

The Gigabyte B550M K motherboard is a versatile and reliable choice for a wide range of PC builds, thanks to its support for multiple AMD Ryzen processor generations. It works seamlessly with the latest Ryzen 5000 Series, the efficient 5000 G-Series with built-in graphics, as well as the 4000 G-Series and 3000 Series processors.

For budget-friendly options, the Ryzen 5 4500 offers solid multitasking, while the Ryzen 5 4600G and Ryzen 7 5700G include integrated graphics, ideal for builds without a dedicated GPU. Gamers can opt for the Ryzen 5 5600X, known for its great performance at a reasonable price, or go for the advanced Ryzen 7 5800X3D, designed to deliver exceptional gaming performance.

Power users handling demanding workloads will benefit from the high-end Ryzen 9 5900X or Ryzen 9 5950X, featuring up to 16 cores for maximum processing power.

Discrete Graphics Compatibility

Equipped with a PCIe 4.0 x16 slot, the Gigabyte B550M K supports high-performance GPUs such as the NVIDIA RTX™ 40 Series and AMD Radeon™ RX 7000 Series. These features make it ideal for gaming and professional-grade graphical workloads.

Onboard Graphics

Enjoy high-definition visuals with integrated graphics via DisplayPort 1.4 and HDMI 2.1. These ports support resolutions up to 5K, ensuring sharp and vivid displays. However, for gaming or heavy graphical tasks, a discrete GPU is recommended.

Storage and Expansion

With dual M.2 slots and four SATA 6Gb/s ports, the Gigabyte B550M K offers flexible and high-speed storage options. The primary M.2 slot supports PCIe 4.0 for blazing-fast read/write speeds, perfect for modern NVMe SSDs.

Power Requirements and Cooling

The motherboard features a 24-pin ATX and 8-pin ATX 12V power connection. A 500W power supply is recommended for entry-level builds, while 750W or more is suitable for high-performance configurations with discrete GPUs. Adequate cooling is supported via CPU and system fan headers.

Is This Motherboard for You?

The Gigabyte B550M K is an excellent choice for users seeking a reliable and cost-effective motherboard with PCIe 4.0 support, robust storage, and high-speed connectivity. Its compact size and feature set make it perfect for gamers and professionals building efficient and future-ready systems.