Gigabyte B450M K rev. 2.0 Micro ATX Motherboard ( AMD AM4 Socket, Supports AMD Ryzen 5000 ,5000 G-,4000 G, 3rd ,2nd ,1st Gen Series CPU,2 x DDR4 RAM Slots, Max 64GB RAM )

CPU

1. 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/ 2nd Generation Ryzen with Radeon Vega Graphics processors/ 1st Generation Ryzen with Radeon Vega Graphics processors/ Athlon with Radeon Vega Graphics Processors

(Please refer “CPU Support List” for more information.)

Chipset

1. AMD B450

Memory

1. Support for DDR4 3600(O.C.)/3466(O.C.)/2933/2667/2400/2133 MHz memory modules
2. 2 x DDR4 DIMM sockets supporting up to 64 GB (32 GB single DIMM capacity) of system memory
3. Dual channel memory architecture
4. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)
5. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
6. Support for Extreme Memory Profile (XMP) memory modules

(Please refer “Memory Support List” for more information.)

Onboard Graphics

1. 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz
   * Support for HDMI 2.0 version and HDCP 2.2.
2. Maximum shared memory of 16 GB

Audio

1. Realtek Audio CODEC
2. High Definition Audio
3. 2/4/5.1/7.1-channel
   * You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.

LAN

1. Realtek GbE LAN chip (1 Gbps/ 100 Mbps)

Expansion Slots

1. CPU: 1 x PCI Express x16 slot, supporting PCIe 3.0 and running at x16*
   * Actual support may vary by CPU.
2. Chipset: 1 x PCI Express x1 slot, supporting PCIe 2.0 and running at x1

Storage Interface

1. 1 x M.2 connector (Socket 3, M key, type 22110/2280/2260/2242 SATA and PCIe 3.0 x4/x2 ^(Note)  SSD support)
   * Refer to “2-7 Internal Connectors,” for the installation notices for the M.2 connector.
2. 4 x SATA 6Gb/s connectors

RAID 0, RAID 1, and RAID 10 support for NVMe SSD storage devices
RAID 0, RAID 1, and RAID 10 support for SATA storage devices
(Note) Supports only M.2 SATA SSDs when using an Athlon with Radeon Vega Graphics Processors.

USB

Chipset:

1. 2 x USB 3.2 Gen 1 ports available through the internal USB header
2. 6 x USB 2.0/1.1 ports (2 ports on the back panel, 4 ports available through the internal USB headers)

CPU:

1. 4 x USB 3.2 Gen 1 ports on the back panel

Internal I/O Connectors

1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 1 x CPU fan header
4. 1 x system fan header
5. 1 x M.2 Socket 3 connector
6. 4 x SATA 6Gb/s connectors
7. 1 x front panel header
8. 1 x front panel audio header
9. 1 x USB 3.2 Gen 1 header
10. 2 x USB 2.0/1.1 headers
11. 1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only)
12. 1 x speaker header
13. 1 x Clear CMOS jumper
14. 1 x chassis intrusion header

Back Panel Connectors

1. 1 x PS/2 keyboard port
2. 1 x PS/2 mouse port
3. 1 x HDMI 2.0 port
4. 4 x USB 3.2 Gen 1 ports
5. 2 x USB 2.0/1.1 ports
6. 1 x RJ-45 port
7. 3 x audio jacks

I/O Controller

1. iTE I/O Controller Chip

H/W Monitoring

1. Voltage detection
2. Temperature detection
3. Fan speed detection
4. Fan fail warning
5. Fan speed control
   * Whether the fan speed control function is supported will depend on the cooler you install.

BIOS

1. 1 x 128 Mbit flash
2. Use of licensed AMI UEFI BIOS
3. PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features

1. Support for APP Center
   * Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
   @BIOS
   EasyTune
   Smart Backup
   System Information Viewer
2. Support for Q-Flash
3. Support for Xpress Install

Bundled Software

1. Norton Internet Security (OEM version)
2. LAN bandwidth management software

Operating System

1. Support for Windows 11 64-bit
2. Support for Windows 10 64-bit
3. Support for Windows 7 64-bit
   * To support Windows 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU.
   * Please download the “Windows USB Installation Tool” from GIGABYTE’s website and install it before installing Windows 7.

Form Factor

1. Micro ATX Form Factor; 24.4cm x 19.5cm

Remark

1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors’ website or 3rd party website.
2. Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP. If drivers are available from the vendors, we will update them on the GIGABYTE website.