| Basic Information | |
| Supported CPU | AMD Socket AM4, support for: AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series and Ryzen 3000 Series Processors |
| Chipset | AMD B550 |
| BIOS | 1 x 128 Mbit flash Use of licensed AMI UEFI BIOS PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0 |
| Form Factor | Micro ATX Form Factor; 24.4cm x 24.4cm |
| Audio | Realtek Audio CODEC High Definition Audio 2/4/5.1/7.1-channel |
| Expansion Slots | |
| PCI | 1 x PCI Express x16 slot, integrated in the CPU: AMD Ryzen 5000 Series/3000 Series Processors support PCIe 4.0 x16 mode AMD Ryzen 5000 G-Series/4000 G-Series Processors support PCIe 3.0 x16 mode 1 x PCI Express x1 slot, integrated in the Chipset: Supporting PCIe 3.0 x1 mode |
| Memory | |
| Type | DDR4 |
| Slots | 4 x DIMM |
| Supported Memory | Support for 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 / 2133 MHz memory modules Dual channel memory architecture Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules* * ECC memory (ECC mode) support varies by CPU Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules |
| Maximum Memory | 128 GB |
| Graphics | |
| Graphics | Integrated Graphics Processor: 1 x DisplayPort, supporting a maximum resolution of 5120x2880@60 Hz * Support for DisplayPort 1.4 version, HDCP 2.3, and HDR. 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz * Support for HDMI 2.1 version, HDCP 2.3, and HDR. |
| Max Shared Memory | 16 GB |
| Connector & Ports | |
| HDMI | 1 x HDMI |
| Display Port (s) | 1 x DisplayPort |
| USB (s) | CPU: 4 x USB 3.2 Gen 1 ports on the back panel Chipset: 2 x USB 3.2 Gen 1 ports available through the internal USB header 6 x USB 2.0/1.1 ports (4 ports on the back panel, 2 ports available through the internal USB header) |
| LAN Port (s) | Realtek GbE LAN chip (1 Gbps/100 Mbps) |
| Supported Storage | 1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs: AMD Ryzen 5000 Series/3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs AMD Ryzen 5000 G-Series/4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 SSDs 1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 SSDs: Supporting PCIe 3.0 x2 SSDs 4 x SATA 6Gb/s connectors, integrated in the Chipset: |
| Audio | 3 x audio jacks |
| RAID | Support for RAID 0, RAID 1, and RAID 10 |
| Internal I/O Ports | 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 1 x CPU fan header 1 x system fan header 2 x M.2 Socket 3 connectors 4 x SATA 6Gb/s connectors 1 x front panel header 1 x front panel audio header 1 x USB 3.2 Gen 1 header 1 x USB 2.0/1.1 header 1 x Clear CMOS jumper |
| TPM (Trusted Platform Module ) | 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only) |
| Others | |
| Special Features | Support for APP Center @BIOS EasyTune Smart Backup System Information Viewer Support for Q-Flash Support for Xpress Install |
| Warranty Information | |
| Warranty | 03 years |
The Gigabyte B550M K AMD AM4 Micro ATX Motherboard is a dependable and feature-rich motherboard designed for gamers, professionals, and PC enthusiasts looking to build a high-performance AMD system. Powered by the AMD B550 chipset, it supports a wide range of AMD Ryzen 5000 Series, Ryzen 5000 G-Series, Ryzen 4000 G-Series, and Ryzen 3000 Series processors, providing excellent performance for gaming, content creation, and multitasking. Featuring a Micro ATX form factor, the Gigabyte B550M K fits comfortably into compact and mid-sized PC cases while offering essential expansion options. It supports up to 128GB of DDR4 memory across four DIMM slots with memory speeds up to 4733MHz (OC), ensuring smooth system responsiveness and enhanced multitasking capabilities. The motherboard also supports XMP profiles and selected ECC memory, allowing users to maximize memory performance with ease. For storage, the motherboard includes dual M.2 slots and four SATA 6Gb/s ports, enabling users to build fast and flexible storage configurations. One M.2 slot supports PCIe 4.0 SSDs when paired with compatible Ryzen processors, delivering ultra-fast data transfer speeds for quicker boot times and application loading.
The Gigabyte B550M K provides versatile display connectivity with HDMI 2.1 and DisplayPort 1.4, supporting high-resolution displays up to 5K. Integrated Realtek High Definition Audio delivers immersive 7.1-channel sound, while the Realtek Gigabit LAN controller ensures stable and reliable network connectivity for online gaming and streaming. Designed for user convenience, the motherboard includes Q-Flash for hassle-free BIOS updates without installing the operating system. Additional Gigabyte utilities such as APP Center, EasyTune, Smart Backup, and System Information Viewer simplify system optimization and management. Backed by a 3-year manufacturing warranty, the Gigabyte B550M K AMD AM4 Micro ATX Motherboard offers excellent value, reliable performance, and modern connectivity, making it an ideal choice for users building a powerful AMD desktop.
