BrandGIGABYTE
ModelB550M K
C P U Socket TypeAM4
C P U TypeRyzen 3000 Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G Series
ChipsetAMD B550
Number of Memory Slots4x288pin (DDR4)
Memory StandardDDR4 3200
Maximum Memory Supported128GB
Channel SupportedDual Channel
E C C SupportedSupport for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules** ECC memory (ECC mode) support varies by CPUSupport for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Buffer SupportedUn-buffered
Memory FeatureSupport for Extreme Memory Profile (XMP) memory modules
P C I Express 4.0 x161 x PCI Express x16 slot, integrated in the CPU:AMD Ryzen 5000 Series/3000 Series Processors support PCIe 4.0 x16 modeAMD Ryzen 5000 G-Series/4000 G-Series Processors support PCIe 3.0 x16 mode
P C I Express x11 x PCI Express x1 slot, integrated in the Chipset:Supporting PCIe 3.0 x1 mode
Serial A T A ( S A T A)4 x SATA 6Gb/s
M.21 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 SSDsAMD Ryzen 5000 G-Series/4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 SSDs1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 SSDs:Supporting PCIe 3.0 x2 SSDs
Audio ChannelsRealtek Audio CODECHigh Definition Audio2/4/5.1/7.1-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.
L A N ChipsetRealtek GbE LAN chip
Max L A N Speed1Gbps
Back I/ O Ports1 x PS/2 keyboard/mouse port1 x DisplayPort1 x HDMI port4 x USB 3.2 Gen 1 ports4 x USB 2.0/1.1 ports1 x RJ-45 port3 x audio jacks
Onboard U S B1 x USB 3.2 Gen 1 header1 x USB 2.0/1.1 header
Other Connectors1 x CPU fan header1 x system fan header2 x M.2 Socket 3 connectors4 x SATA 6Gb/s connectors1 x front panel header1 x front panel audio header1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)1 x Clear CMOS jumper
Form FactorMicro ATX
Dimensions ( W x L)9.6" x 9.6"
Power Pin1 x 24-pin ATX main power connector1 x 8-pin ATX 12V power connector
Windows 11Supported
FeaturesSupport 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.@BIOSEasyTuneSmart BackupSystem Information ViewerSupport for Q-FlashSupport for Xpress Install
chipsetB550M
socketAM4
memory TypeDDR4