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Product Overview

The Gigabyte B550M K is a micro ATX motherboard built on the AMD B550 chipset for Socket AM4, supporting AMD Ryzen 3000, 4000 and 5000 series processors. It offers four DDR4 slots for up to 128 GB of memory, a PCIe 4.0 x16 slot for the graphics card and two M.2 slots, the first running at PCIe 4.0 speed and the second at PCIe 3.0.

This board suits compact and budget-conscious Ryzen builds that still need modern storage and display options. It has four SATA III ports, Gigabit Ethernet, 7.1-channel audio and HDMI 2.1 plus DisplayPort 1.4 outputs for CPUs with integrated graphics. Note that the board has no Wi-Fi, and a BIOS update may be needed to support the newest processors.

Specification

• Manufacturer: GigaByte
• Model: B550M K
• MPN: B550M K
• EAN: 47193318527640
• CPU Socket: AMD Socket AM4
• Chipset: AMD B550
• Supported Processors: AMD Ryzen 3000, 4000 and 5000 series
• Form Factor: micro ATX (244 x 244 mm)
• Memory: 4x DDR4 DIMM, up to 128 GB, dual-channel, up to 4733 MHz (O.C.)
• ECC Support: ECC and non-ECC unbuffered memory
• M.2 Slots: 2x M.2 (M key, up to 2280): 1st PCIe 4.0, 2nd PCIe 3.0
• Expansion Slots: 1x PCIe 4.0 x16, 1x PCIe 3.0 x1
• SATA: 4x SATA III, RAID 0/1/10
• Rear USB: 4x USB 3.2 Gen 1 Type-A, 4x USB 2.0
• Video Outputs: 1x HDMI 2.1, 1x DisplayPort 1.4 (requires CPU with integrated graphics)
• Networking: Gigabit Ethernet (Realtek RTL8111H), no Wi-Fi
• Audio: Realtek ALC897, 7.1 channels
• Power Connectors: 24-pin ATX + 8-pin EPS
• Weight: 919 g

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