GIGABYTE B550M K AMD B550 Micro ATX Motherboard

Categories: , Item#: GA-B550M-K Brand:

R1639,00

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Product information

GIGABYTE B550M K

The GIGABYTE B550M K is an AMD B550 Micro ATX motherboard for compatible AMD Socket AM4 processors. It supports specified Ryzen 3000, 4000 G-Series and 5000-series processors, subject to GIGABYTE’s CPU support list.

Four DDR4 DIMM slots provide dual-channel memory support, with capacity up to 128 GB. Two M.2 connectors and four SATA ports offer storage options, while DisplayPort 1.4 and HDMI 2.1 provide display connectivity when paired with a compatible processor with integrated graphics.

Key Features:

  • Memory slots: 4 × DDR4 DIMM
  • Maximum memory capacity: 128 GB total (32 GB per DIMM)
  • M.2 connectors: 2 × M.2 Socket 3, M-key, 2280
  • SATA ports: 4 × SATA 6 Gb/s
  • DisplayPort: 1 × DisplayPort 1.4; up to 5120 × 2880 at 60 Hz
  • Form factor: Micro ATX

An AM4 Micro ATX motherboard combining dual-channel DDR4, two M.2 connectors and multiple display outputs.

Suitable for compatible Socket AM4 desktop builds that need a compact Micro ATX board with flexible memory and storage options.

More AMD Motherboards: Browse AMD Motherboards at Chaos Computers

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Specifications

General
Chipset AMD B550
Socket AMD Socket AM4
Form factor Micro ATX
Dimensions 24.4 × 24.4 cm
Processor
Supported processors Specified AMD Ryzen 3000, 4000 G-Series and 5000-series processors; check GIGABYTE's CPU support list
Memory
Memory slots 4 × DDR4 DIMM
Memory architecture Dual-channel
Maximum memory capacity 128 GB total (32 GB per DIMM)
Supported memory rates Up to DDR4-4733 (O.C.); actual support depends on CPU and memory configuration
Memory support Non-ECC unbuffered DIMM and XMP support; ECC unbuffered DIMM support is CPU-dependent
Expansion
CPU-connected expansion slot 1 × PCIe x16; PCIe 4.0 with supported Ryzen 5000/3000 Series CPUs, PCIe 3.0 with listed G-Series processors
Chipset-connected expansion slot 1 × PCIe 3.0 x1
Storage
M.2 connectors 2 × M.2 Socket 3, M-key, 2280
CPU-connected M.2 support Supports SATA and PCIe SSDs; PCIe generation and lane configuration depend on CPU
Chipset-connected M.2 support PCIe 3.0 x2 SSDs
SATA ports 4 × SATA 6 Gb/s
RAID support RAID 0, 1 and 10
Display & Outputs
DisplayPort 1 × DisplayPort 1.4; up to 5120 × 2880 at 60 Hz
HDMI 1 × HDMI 2.1; up to 4096 × 2160 at 60 Hz
Display output requirement Requires a compatible processor with integrated graphics
Display features HDCP 2.3 and HDR support on both display outputs
Other rear I/O 1 × PS/2 keyboard/mouse port; 1 × RJ-45 Ethernet port; 3 × audio jacks
USB & Internal Connectors
Rear USB 4 × USB 3.2 Gen 1; 4 × USB 2.0/1.1
Internal USB headers 2 × USB 3.2 Gen 1; 2 × USB 2.0/1.1
Other internal connectors Front-panel header; front-panel-audio header; TPM header for the specified GC-TPM2.0_S module; Clear CMOS jumper
Networking & Audio
Ethernet Realtek GbE LAN; 1 Gbps, 100 Mbps and 10 Mbps
Audio Realtek High Definition Audio; configurable for 2/4/5.1/7.1-channel output
Power & Cooling
Power connectors 1 × 24-pin ATX main power; 1 × 8-pin ATX 12V
Fan headers 1 × CPU-fan header; 1 × system-fan header
Hardware monitoring Voltage, temperature and fan-speed detection; fan-failure warning and fan-speed control
Features & Software Support
Manufacturer-listed features Digital VRM solution; Q-Flash; audio capacitors with Audio Noise Guard
Operating system support Windows 10 64-bit and Windows 11 64-bit
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