Mainboard GIGABYTE B550M DS3H (rev. 1.0)

1. 1. 1. 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
      2. 3rd Gen AMD Ryzen™ Processors:
         Support for DDR4 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
      3. New Generation AMD Ryzen™ with Radeon™ Graphics processors:
         Support for DDR4 4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules
      4. Dual channel memory architecture
      5. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
      6. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
      7. Support for Extreme Memory Profile (XMP) memory modules

      (Please refer “Memory Support List” for more information.)

1. Integrated in the 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors:
   1. 1 x DVI-D port, supporting a maximum resolution of 1920×1200@60 Hz
      * The DVI-D port does not support D-Sub connection by adapter.
   2. 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz
      * Support for HDMI 2.1 version, HDCP 2.3, and HDR.

   Maximum shared memory of 16 GB

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. 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

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

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 (2×6 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. 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.