Gigabyte B550M K AM4 DDR4 Micro-ATX Motherboard
With the AMD B550 chipset, an AM4 socket and four DDR4 slots, the B550M K is a Micro-ATX option for a gaming or productivity build that wants PCIe 4.0 graphics and storage headroom without moving to a full-size board.
Key Specifications
- AMD B550 chipset with AM4 socket support for Ryzen 5000 Series, 5000 G-Series, 4000 G-Series, and 3000 and 3000 G-Series processors
- 4 x DDR4 DIMM sockets supporting up to 128 GB of dual-channel memory, with DDR4 speeds up to 4733 MHz overclocked
- 1 x PCI Express x16 slot supporting PCIe 4.0 x16 mode with Ryzen 5000 and 3000 Series processors, and PCIe 3.0 x16 mode with Ryzen 5000 G-Series, 4000 G-Series and 3000 G-Series processors, plus 1 x PCI Express 3.0 x1 slot
- Dual M.2 connectors: one NVMe PCIe 4.0/3.0 x4 and SATA mode from the CPU, and one NVMe PCIe 3.0 x2 from the chipset, plus 4 x SATA 6Gb/s connectors
- Realtek GbE LAN chip (1 Gbps/100 Mbps/10 Mbps) with bandwidth management
- Realtek audio codec with High Definition Audio and 2/4/5.1/7.1-channel output
- Display outputs: 1 x DisplayPort at up to 5120x2880 at 60 Hz and 1 x HDMI at up to 4096x2160 at 60 Hz, with HDMI 2.1, HDCP 2.3 and HDR support
- Rear USB: 4 x USB 3.2 Gen 1 ports and 4 x USB 2.0 ports
- Micro-ATX form factor
Dual NVMe M.2 Connectors and Smart Fan 5
Two M.2 connectors let a builder run a fast boot drive alongside a second NVMe drive, while Smart Fan 5 uses multiple temperature sensors and hybrid fan headers with FAN STOP to keep fan noise down when the system is idling.
- Pair the board with a Ryzen 5000 Series processor to unlock PCIe 4.0 on the x16 slot and the primary M.2 connector.
- Populate the four DDR4 slots up to 128 GB for multitasking, editing or gaming workloads.
- Fit a PCIe 4.0 graphics card in the Ultra Durable PCIe 4.0 x16 slot.
- Add a second NVMe SSD in the chipset M.2 connector and SATA drives on the four SATA ports.
