| Key Features | |
| Form Factor | Micro-ATX |
| Connectivity | |
| HDMI | 1 x HDMI port |
| Basic Information | |
| Supported CPU | AMD Ryzen™ 5000 Series AMD Ryzen™ 5000 G-Series AMD Ryzen™ 4000 G-Series AMD Ryzen™ 3000 Series AMD Ryzen™ 3000 G-Series Compatible with Socket AM4 processors. |
| Chipset | AMD B550 |
| Memory | 4 x DDR4 DIMM sockets supporting up to 128GB of system memory Dual Channel Memory Architecture 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 Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules |
| Memory | |
| Slots | 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 |
| Maximum Memory | 128GB |
| General information | |
| DVI | Not available |
| 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 and HDCP 2.3. |
| Memory Type | DDR4 |
| 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 |
| Main Features | |
| Audio | Realtek® Audio CODEC High Definition Audio 2/4/5.1/7.1-channel To configure 7.1-channel audio, access the audio software for settings. |
| External Features | |
| Expansion Slots | 1 x PCI Express x16 slot 1 x PCI Express x1 slot |
| Connector & Ports | |
| LAN Port (s) | 1 x Realtek® GbE LAN port |
| 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 |
| Physical Specification | |
| USB | Rear Panel: 4 x USB 3.2 Gen 1 ports 4 x USB 2.0/1.1 ports Internal: 1 x USB 3.2 Gen 1 header (supports 2 USB 3.2 Gen 1 ports) |
| Warranty Information | |
| Warranty | 3 years |
The Gigabyte B550M K AMD AM4 Micro ATX Motherboard is designed for AMD Ryzen processors, supporting Ryzen 5000, 4000 G-Series, and 3000 series with the AM4 socket. Built on the AMD B550 chipset, it delivers exceptional performance with support for DDR4 memory, PCIe 4.0 for ultra-fast data transfers, and an M.2 slot for high-speed storage solutions.
This motherboard features USB 3.2 Gen 1 and HDMI connectivity, making it ideal for a variety of uses, from gaming to productivity. Advanced cooling technology and durable components ensure stable performance and longevity under heavy workloads. With its compact Micro ATX form factor, the Gigabyte B550M K is perfect for space-efficient PC builds, offering reliability and versatility for both gaming and office environments.