GIGABYTE B450M K
The Gigabyte B450M K is a compact, affordable micro-ATX board for AMD AM4 CPUs. It includes dual-channel DDR4 support, a Gen3 NVMe M.2 slot, Gigabit LAN, Smart Fan control, solid capacitors, and audio features.
Features
Chipset & CPU Support
-
Uses AMD B450 chipset.
-
Compatible with Ryzen 5000 series / Ryzen 5000 G-Series / 3rd-Gen Ryzen / 2nd-Gen Ryzen / 1st-Gen Ryzen / Athlon with Radeon Vega graphics.
Memory Support
-
Two DDR4 DIMM slots in dual-channel mode.
-
Maximum RAM capacity around 64 GB.
-
Supports OC and stock DDR4 speeds depending on CPU and BIOS.
Storage & Expansion Slots
-
One M.2 slot (PCIe Gen3 x4 / NVMe / SATA) for high-speed SSDs.
-
Several SATA 6 Gb/s ports for additional SSDs/HDDs.
-
One full-length PCIe 3.0 x16 slot for GPU.
-
A smaller PCIe x1 slot for expansion cards.
Connectivity
-
Gigabit Ethernet LAN with bandwidth management.
-
Rear I/O includes USB 3.1 Gen1 / USB 2.0 ports.
-
Display outputs: HDMI, likely DVI-D or VGA depending on CPU APU.
Cooling & Thermal Management
-
Smart Fan 5 with multiple temperature sensors and 2 hybrid fan headers.
-
Fan-stop capability (fans can shut off under low temperature).
Audio & Build Quality
-
8-channel HD audio with high-quality audio capacitors.
-
Ultra Durable design: all solid capacitors, anti-sulfur resistors, protection features like surge protection.
Other Features
-
Utilities for BIOS updates, system monitoring, easy fan curves.
-
Bandwidth / network traffic control utility.
Conclusion
The Gigabyte B450M K is a solid choice for budget or mid-range AMD builds. It doesn’t have premium features like PCIe 4.0 or multi-GPU support, but it delivers essential functionality—good storage, reliable LAN, decent cooling, and audio—for gaming, productivity, or home use with excellent value.
Specifications
| CPU | AMD SOCKET AM4 , SUPPORT FOR: AMD RYZEN 5000 SERIES PROCESSORS / AMD RYZEN 5000 G-SERIES PROCESSORS / AMD RYZEN 4000 G-SERIES PROCESSORS / 3RD GENERATION AMD RYZEN PROCESSORS / 2ND GENERATION AMD RYZEN PROCESSORS / 1ST GENERATION AMD RYZEN PROCESSORS |
|---|---|
| CHIPSET | B450 |
| MEMORY | 2 X DDR4 DIMM SOCKETS SUPPORTING UP TO 64GB(32 GB SINGLE DIMM CAPACITY) OF SYSTEM MEMORY , SUPPORT FOR DDR4 3600(OC) / 3466(OC) / 2933 / 2667 / 2400 / 2133 / MHz MEMORY MODULES |
| VIDEO OUTPUT PORTS | 1 X HDMI PORT |
| LAN + WIFI + BLUETOOTH | REALTEK GBE LAN CHIP (1 GBPS / 100 MBPS) |
| AUDIO | REALTEK AUDIO CODEC HIGH DEFINITION AUDIO 2/4/5.1/7.1 CHANNEL |
| EXPANSION SLOTS | 1 X PCI EXPRESS X16 SLOT, SUPPORTING PCIe 3.0 AND RUNNING AT X16 , 1 X PCI EXPRESS X1 SLOT , SUPPORTING PCIe 2.0 AND RUNNING AT X1 |
| STORAGE INTERFACES | 1 X M.2 CONNECTOR (SOCKET 3 , M KEY, TYPE 22110 / 2280 / 2260 / 2242 SATA AND PCIe 3.0 X4/X2 SSD SUPPORT ) , 4 X SATA 6GB/S CONNECTORS |
| INTERNAL I/O CONNECTORS | 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 , 1 X M.2 SOCKET 3 CONNECTOR , 4 X SATA 6GB/S CONNECTORS , 1 X FRONT PANEL HEADER, 1 X FRONT PANEL AUDIO HEADER , 1 X USB 3.1 GEN 1 HEADER , 2 X USB 2.0/1.1 HEADERS , 1 X TRUSTED PLATFORM MODULE (TPM) HEADER (2X6 PIN, FOR THE GC-TPM2.0_S MODULE ONLY) , 1 X SPEAKER HEADER , 1 X CLEAR CMOS JUMPER , 1 X CHASSIS INTRUSION HEADER |
| BACK PANEL CONNECTORS | 1 X PS/2 KEYBOARD PORT , 1 X PS/2 MOUSE PORT , 1 X HDMI 2.0 PORT, 4 X USB 3.1 GEN 1 PORTS , 2 X USB 2.0/1.1 PORTS, 1 X RJ-45 PORT , 3 X AUDIO JACKS |
| SIZE | MICRO ATX |
| UNIQUE FACTORS | BIOS , EASYTUNE , SMART BACKUP , SYSTEM INFORMATION VIEWER , SUPPORT FOR Q-FLASH , SUPPORT FOR XPRESS INSTALL |