Key Specifications

The GIGABYTE B450M K motherboard includes the following specifications:

Chipset: AMD B450
CPU Socket: AM4
Form Factor: Micro-ATX (23.3 cm × 19.8 cm)

Supported Processors

• AMD Ryzen™ 5000 Series Processors
• AMD Ryzen™ 5000 G-Series Processors
• AMD Ryzen™ 4000 G-Series Processors
• AMD Ryzen™ 3rd Gen Processors
• AMD Ryzen™ 2nd Gen Processors
• AMD Ryzen™ 1st Gen Processors
• Ryzen™ with Radeon™ Vega Graphics
• Athlon™ with Radeon™ Vega Graphics

Memory Support

Memory Type: DDR4
Memory Slots: 2 x DIMM
Maximum Memory Capacity: 64 GB

Supported Memory Speeds

• DDR4-3600 (OC)
• DDR4-3466 (OC)
• DDR4-2933
• DDR4-2667
• DDR4-2400
• DDR4-2133

Memory Features

• Dual Channel Memory Architecture
• XMP Support
• ECC Un-buffered DIMM Support (Non-ECC Mode)
• Non-ECC Un-buffered DIMM Support

Graphics Support

The motherboard includes onboard display outputs for processors with integrated graphics.

Video Outputs

• 1 x HDMI Port
• 1 x D-Sub (VGA) Port

Maximum Resolution Support

HDMI: Up to 4096 × 2160 @ 60Hz
D-Sub: Up to 1920 × 1200 @ 60Hz

Graphics Features

• HDMI 2.0 Support
• HDCP 2.2 Support
• HDR Support
• Maximum Shared Memory: 16 GB

Expansion Slots

PCIe Slots

CPU:

• 1 x PCIe 3.0 x16 Slot

Chipset:

• 1 x PCIe 2.0 x1 Slot

Storage Features

M.2 Storage

• 1 x M.2 Socket 3
• Supports PCIe 3.0 x4/x2 and SATA SSDs
• Supports 2280 SSD Form Factor

SATA Storage

• 4 x SATA 6Gb/s Ports

RAID Support

• RAID 0
• RAID 1
• RAID 10

Networking & Connectivity

LAN

• Realtek® Gigabit Ethernet Controller

USB Connectivity

Rear USB Ports

• 4 x USB 3.2 Gen 1 Ports
• 2 x USB 2.0 Ports

Internal USB Headers

• 1 x USB 3.2 Gen 1 Header
• 2 x USB 2.0 Headers

Audio Features

Audio Codec: Realtek® High Definition Audio CODEC

Audio Support

• 2 / 4 / 5.1 / 7.1 Channel Audio

Internal I/O Connectors

• 1 x 24-pin ATX Power Connector
• 1 x 8-pin CPU Power Connector
• 1 x CPU Fan Header
• 1 x System Fan Header
• 1 x M.2 Socket
• 4 x SATA Ports
• 1 x Front Panel Header
• 1 x Front Panel Audio Header
• 1 x USB 3.2 Gen 1 Header
• 2 x USB 2.0 Headers
• 1 x TPM Header
• 1 x Speaker Header
• 1 x Clear CMOS Jumper
• 1 x Chassis Intrusion Header

Back Panel Ports

• 1 x PS/2 Keyboard/Mouse Port
• 1 x HDMI Port
• 1 x D-Sub Port
• 4 x USB 3.2 Gen 1 Ports
• 2 x USB 2.0 Ports
• 1 x RJ-45 LAN Port
• 3 x Audio Jacks

Software & Utility Features

GIGABYTE Utilities

• APP Center
• @BIOS
• EasyTune
• Smart Backup
• System Information Viewer
• Q-Flash
• Xpress Install

Hardware Monitoring Features

• Voltage Detection
• Temperature Detection
• Fan Speed Detection
• Fan Fail Warning
• Fan Speed Control

BIOS Features

• 128 Mbit AMI UEFI BIOS
• ACPI 5.0 Support
• DMI 2.7
• PnP 1.0a

Operating System Support

• Windows® 11 64-bit
• Windows® 10 64-bit
• Windows® 7 64-bit

Windows 7 support requires compatible AMD Pinnacle Ridge or Summit Ridge processors.

Included Software

• Norton® Internet Security (OEM Version)
• LAN Bandwidth Management Software

Warranty & Important Note

Warranty: 3 Years

*Prices, features, and specifications are subject to change without prior notice.