GIGABYTE MB Sc AM4 B550M DS3H, AMD B550M, 4 x DDR4, HDMI

1. 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
2. Support for DDR4 4000(O.C.)/3600(O.C.)/3333(O.C.)/3200/2933/2667/2400/2133 MHz memory modules
3. Dual channel memory architecture
4. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
5. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
6. Support for Extreme Memory Profile (XMP) memory modules
   (Please refer "Memory Support List" for more information.)

1. Realtek ALC887 codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
   * To configure 7.1-channel audio, you need to open the audio software and select Device advanced settings > Playback Device to change the default setting first. Please visit GIGABYTE's website for details on configuring the audio software.

1. Realtek GbE LAN chip (1000 Mbit/100 Mbit)

1. Wi-Fi 802.11a/b/g/n/ac/ax, supporting 2.4/5 GHz Dual-Band
2. BLUETOOTH 5.0
3. Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate
   * Actual data rate may vary depending on environment and equipment.

x PCI Express x16 slot (PCIEX16), integrated in the CPU:

1. 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x16 mode
2. 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors support PCIe 3.0 x16 mode
   * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.

1 x PCI Express x16 slot (PCIEX4), integrated in the Chipset:

1. Supporting PCIe 3.0 x4 mode

1 x PCI Express x1 slot (PCIEX1), integrated in the Chipset:

1. Supporting PCIe 3.0 x1 mode

Integrated in the 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors:

1. 1 x DVI-D port, supporting a maximum resolution of 1920x1200@60 Hz
   * The DVI-D port does not support D-Sub connection by adapter.
2. 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

x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs:

1. 3rd Generation AMD Ryzen™ processors support SATA and PCIe 4.0 x4/x2 SSDs
2. 3rd Generation AMD Ryzen™ with Radeon™ Graphics 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 2242/2260/2280 SSDs:

1. Supporting SATA and PCIe 3.0 x2 SSDs

4 x SATA 6Gb/s connectors, integrated in the Chipset:

1. Support for RAID 0, RAID 1, and RAID 10

CPU:

1. 4 x USB 3.2 Gen 1 ports on the back panel

Chipset:

1. 2 x USB 3.2 Gen 1 ports available through the internal USB header
2. 6 x USB 2.0/1.1 ports (4 ports on the back panel, 2 ports available through the internal USB header)

1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 1 x CPU fan header
4. 2 x system fan headers
5. 2 x addressable LED strip headers
6. 2 x RGB LED strip headers
7. 1 x CPU cooler LED strip/RGB LED strip header
8. 2 x M.2 Socket 3 connectors
9. 4 x SATA 6Gb/s connectors
10. 1 x front panel header
11. 1 x front panel audio header
12. 1 x USB 3.2 Gen 1 header
13. 1 x USB 2.0/1.1 header
14. 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
15. 1 x serial port header
16. 1 x Clear CMOS jumper
17. 1 x Q-Flash Plus button

1. 1 x PS/2 keyboard/mouse port
2. 1 x DVI-D port
3. 1 x HDMI port
4. 4 x USB 3.2 Gen 1 ports
5. 4 x USB 2.0/1.1 ports
6. 1 x RJ-45 port
7. 3 x audio jacks

1. Voltage detection
2. Temperature detection
3. Fan speed detection
4. Overheating warning
5. Fan fail warning
6. Fan speed control
   * Whether the fan speed control function is supported will depend on the cooler you install.

1. 1 x 256 Mbit flash
2. Use of licensed AMI UEFI BIOS
3. PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

1. 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
   Fast Boot
   Game Boost
   ON/OFF Charge
   RGB Fusion
   Smart Backup
   System Information Viewer
2. Support for Q-Flash Plus
3. Support for Q-Flash
4. Support for Xpress Install

1. Norton Internet Security (OEM version)
2. Realtek 8118 Gaming LAN Bandwidth Control Utility

1. Support for Windows 10 64-bit

1. Micro ATX Form Factor; 24.4cm x 24.4cm

1. Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website.
2. 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.