GIGABYTE MB Sc AM4 B550M DS3H R2, AMD B550M, 4xDDR4, 1xDP, 1xHDMI, mATX

CPU
AMD Socket AM4, support for:
AMD Ryzen™ 5000 G-Series Processors
AMD Ryzen™ 5000 Series Processors
AMD Ryzen™ 4000 G-Series Processors
AMD Ryzen™ 3000 G-Series Processors
AMD Ryzen™ 3000 Series Processors
(Go to GIGABYTE's website for the latest CPU support list.)

Chipset
AMD B550

Memory
4 x DDR4 DIMM sockets supporting up to 128 GB system memory
Supports 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 MT/s modules
Dual channel architecture
Support for ECC Un-buffered DIMM 1Rx8/2Rx8
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16
Support for Extreme Memory Profile (XMP)
(The CPU and memory configuration may affect supported types and speeds. Refer to GIGABYTE website for details.)

Onboard Graphics
Integrated AMD Radeon™ Graphics support
1 x DisplayPort, max resolution 5120x2880@60 Hz (DP 1.4, HDCP 2.3, HDR)
1 x HDMI port, max resolution 4096x2160@60 Hz (HDMI 2.1, HDCP 2.3, HDR)
Maximum shared memory 16 GB
(Graphics specifications vary by CPU.)

Audio
Realtek ALC1220 CODEC
Back panel line out supports DSD audio
High Definition Audio
2/4/5.1/7.1-channel (7.1 configurable in audio software)

LAN
Realtek GbE LAN chip (1 Gbps/100 Mbps/10 Mbps)

Expansion Slots
1 x PCIe x16 slot (PCIEX16), integrated in CPU:
Ryzen™ 5000/3000 Series: PCIe 4.0 x16
Ryzen™ 5000 G/4000 G/3000 G Series: PCIe 3.0 x16
(The PCIEX16 slot supports GPU or NVMe SSD only.)
Chipset:
1 x PCIe x16 slot (PCIEX4), PCIe 3.0 x4
1 x PCIe x1 slot (PCIEX1), PCIe 3.0 x1

Storage Interface
1 x M.2 (M2A_CPU), Socket 3 M key, 2280:
Ryzen™ 5000/3000 Series: SATA & PCIe 4.0 x4/x2
Ryzen™ 5000 G/4000 G/3000 G Series: SATA & PCIe 3.0 x4/x2
1 x M.2 (M2B_SB), Chipset, Socket 3 M key, 2280 SATA & PCIe 3.0 x2
4 x SATA 6Gb/s connectors
Supports RAID 0/1/10 for NVMe and SATA devices

USB
CPU:
4 x USB 3.2 Gen 1 ports (rear)
Chipset:
1 x USB Type-C with USB 3.2 Gen 1 (internal header)
2 x USB 3.2 Gen 1 (internal header)
4 x USB 2.0/1.1 (2 rear, 2 internal)

Internal I/O Connectors
1 x 24-pin ATX power connector
1 x 8-pin ATX 12V connector
1 x CPU fan header
2 x system fan headers
2 x addressable LED headers
2 x RGB LED headers
1 x CPU cooler LED/RGB header
2 x M.2 connectors
4 x SATA 6Gb/s connectors
1 x front panel header
1 x front panel audio header
1 x USB Type-C header (USB 3.2 Gen 1)
1 x USB 3.2 Gen 1 header
1 x USB 2.0/1.1 header
1 x TPM header
1 x serial header
1 x Clear CMOS jumper
1 x Q-Flash Plus button

Back Panel Connectors
2 x USB 2.0/1.1 ports
1 x PS/2 keyboard/mouse
1 x HDMI
1 x DisplayPort
4 x USB 3.2 Gen 1 ports
1 x RJ-45 LAN
3 x audio jacks
(Note: actual support varies by CPU)

I/O Controller
iTE I/O Controller Chip

H/W Monitoring
Voltage, temperature and fan speed monitoring
Overheat and fan fail warnings
Fan speed control (depends on installed fan)

BIOS
1 x 128 Mbit flash
AMI UEFI BIOS
Supports PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features
Support for APP Center
@BIOS
EasyTune
RGB Fusion
Smart Backup
System Information Viewer
Support for Q-Flash Plus
Support for Q-Flash

Bundled Software
Norton Internet Security (OEM)
LAN bandwidth management software

Operating System
Windows 11 64-bit
Windows 10 64-bit

Form Factor
Micro ATX, 24.4 cm x 24.4 cm