GIGABYTE Alaplap AM4 B550M K AMD B550, mATX CPU AMD Socket AM4, support
for: AMD Ryzen? 5000 Series/ Ryzen? 5000 G-Series/ Ryzen? 4000 G-Series and
Ryzen? 3000 Series Processors (Please refer CPU Support List for more
information.) Chipset AMD B550 Memory 4 x DDR4 DIMM sockets
supporting up to 128 GB (32 GB single DIMM 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 memory modules Support for Extreme Memory Profile (XMP)
memory modules (Please refer Memory Support List for more information.)
Onboard Graphics Integrated Graphics Processor: 1 x DisplayPort,
supporting a maximum resolution of 5120x2880@60 Hz * Support for DisplayPort
1.4 version, HDCP 2.3, and HDR. 1 x HDMI port, supporting a maximum resolution
of 4096x2160@60 Hz * Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Maximum shared memory of 16 GB Audio RealtekŽ Audio CODEC High
Definition Audio 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 RealtekŽ GbE LAN chip (1
Gbps/100 Mbps) Expansion Slots 1 x PCI Express x16 slot, integrated in
the CPU: AMD Ryzen? 5000 Series/3000 Series Processors support PCIe 4.0 x16
mode AMD Ryzen? 5000 G-Series/4000 G-Series Processors 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 SATA and PCIe 4.0 x4/x2 SSDs AMD Ryzen?
5000 G-Series/4000 G-Series Processors 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 USB header 6 x USB 2.0/1.1
ports (4 ports on the back panel, 2 ports available 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 the
GC-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 iTEŽ 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 will
depend 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 by motherboard model. Supported functions of each application
may also vary depending on motherboard specifications. @BIOS EasyTune
Smart Backup System Information Viewer Support for Q-Flash Support for
Xpress Install Bundled Software NortonŽ 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 Remark Due to different
Linux support condition provided by chipset vendors, please download Linux
driver from chipset vendors' website or 3rd party website. 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.