Gigabyte B550M K AMD Motherboard
CPU
AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ Ryzen™5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 and Ryzen™ 3000 G-SeriesProcessors
(Please refer "CPU Support List" for moreinformation.)
Chipset
AMD B550
Memory
4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB singleDIMM capacity) of system 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 memorymodules
Support for Extreme Memory Profile (XMP) memory modules
(The CPU and memory configuration may affect the supportedmemory types, data rate (speed), and number of DRAM modules, please refer to"Memory Support List" on GIGABYTE's website for more information.)
Onboard Graphics
Integrated Graphics Processor with AMD Radeon™ Graphicssupport:
1 x DisplayPort, supporting a maximum resolution of5120x2880@60 Hz
* Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.
1 x HDMI port, supporting a maximum resolution of4096x2160@60 Hz
* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Maximum shared memory of 16 GB
Audio
Realtek® Audio CODEC
High Definition Audio
2/4/5.1/7.1-channel
* You can change the functionality of an audio jack usingthe audio software. To configure 7.1-channel audio, access the audio softwarefor audio settings.
LAN
Realtek® GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)
Expansion Slots
1 x PCI Express x16 slot, integrated in the CPU:
AMD Ryzen™ 5000 Series*/3000 Series Processors support PCIe4.0 x16 mode
* Actual support may vary by AMD CPU's specification.
AMD Ryzen™ 5000 G-Series/4000 G-Series/3000 G-SeriesProcessors support PCIe 3.0 x16 mode
1 x PCI Express x1 slot, integrated in the Chipset:
Supporting PCIe 3.0 x1 mode
Storage Interface
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 SATAand PCIe 4.0 x4/x2 SSDs
AMD Ryzen™ 5000 G-Series/4000 G-Series/3000 G-SeriesProcessors 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:
Support for RAID 0, RAID 1, and RAID 10
USB
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 USBheader
6 x USB 2.0/1.1 ports (4 ports on the back panel, 2 portsavailable through the internal USB header)
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
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 Trusted Platform Module (TPM) header (2x6 pin, for theGC-TPM2.0_S module only)
1 x Clear CMOS jumper
Back Panel Connectors
1 x PS/2 keyboard/mouse port
1 x DisplayPort
1 x HDMI port
4 x USB 3.2 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x RJ-45 port
3 x audio jacks
I/O Controller
iTE® I/O Controller Chip
H/W Monitoring
Voltage detection
Temperature detection
Fan speed detection
Fan fail warning
Fan speed control
* Whether the fan speed control function is supported willdepend on the cooler you install.
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
Unique Features
Support for APP Center
* Available applications in APP Center may vary bymotherboard model. Supported functions of each application may also varydepending on motherboard specifications.
@BIOS
EasyTune
Smart Backup
System Information Viewer
Support for Q-Flash
Bundled Software
Norton® Internet Security (OEM version)
LAN bandwidth management software
Operating System
Support for Windows 11 64-bit
Support for Windows 10 64-bit
Form Factor
Micro ATX Form Factor; 24.4cm x 24.4cm
