GIGABYTE B550M DS3H AC R2
CPU
AMD Socket AM4, support for:
Chipset
AMD B550
Memory
4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity)of system memory
Dual channel memory architecture
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
Onboard Graphics
Integrated Graphics Processor with AMD Radeon™ Graphics support:
- 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.
** Support for native HDMI 2.1 TMDS compatible ports.
(Graphics specifications may vary depending on CPU support.)
Maximum shared memory of 16 GB
Audio
Realtek® ALC1220 CODEC
* The back panel line out jack supports DSD audio.
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
Realtek® GbE LAN chip (1 Gbps/100 Gbps/10 Mbps)
Wireless Communication module
Realtek® Wi-Fi RTL8821CE
- WIFI 802.11 a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
- BLUETOOTH 5.0
- Support for 11ac wireless standard
(Actual data rate may vary depending on environment and equipment.)
Expansion Slots
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
 AMD Ryzen™ 5000/3000 Series Processors support PCIe 4.0 x16 mode
 AMD Ryzen™ 5000 G/4000 G/3000 G Series Processors support PCIe 3.0x16 mode
* The PCIEX16 slot can only support a graphics card or an NVMe SSD. If only one graphics card is to be installed, be sure to install it in the PCIEX16 slot.
Chipset:
- 1 x PCI Express x16 slot (PCIEX4), supporting PCIe 3.0 and running at x4
- 1 x PCI Express x1 slot (PCIEX1), supporting PCIe 3.0 and running at x1
Storage Interface
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs:
 AMD Ryzen™ 5000/3000 Series Processors support SATA and PCIe 4.0x4/x2 SSDs
 AMD Ryzen™ 5000 G/4000 G/3000 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 SATA and PCIe 3.0 x2 SSDs
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
USB
CPU:
- 4 x USB 3.2 Gen 1 ports on the back panel
Chipset:
- 1 x USB Type-C® port with USB 3.2 Gen 1 support, available through the internal USB header
- 2 x USB 3.2 Gen 1 ports available through the internal USB header
- 4 x USB 2.0/1.1 ports (2 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
2 x system fan headers
2 x addressable LED strip headers
2 x RGB LED strip headers
1 x CPU cooler LED strip/RGB LED strip 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 Type-C® header, with USB 3.2 Gen 1 support
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 serial port 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 port
1 x HDMI port (Note)
1 x DisplayPort (Note)
4 x USB 3.2 Gen 1 ports
1 x RJ-45 port
2 x antenna connectors
3 x audio jacks
I/O Controller
iTE® I/O Controller Chip