GIGABYTE B550M DS3H AC (REV1.7)

CPU
AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series, Ryzen™ 3000 Series and Ryzen™ 3000 G-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 MT/s memory modules
Dual channel memory architecture
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
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.)
 
Audio
Realtek® ALC1220-VB 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 Mbps/10 Mbps)
 
Wireless Communication module
AzureWave Wi-Fi AW-CB304NF (Realtek® RTL8821CE) (PCB rev. 1.7)
- WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
- BLUETOOTH 4.2
- Support for 11ac wireless standard and up to 433 Gbps data rate
(Actual data rate may vary depending on environment and equipment.)
 
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 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
1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x DisplayPort
1 x HDMI port
2 x SMA antenna connectors
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
 
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