Gigabyte B550M DS3H AM4 AMD Micro ATX Motherboard

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.  ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
5. non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
6.  Extreme Memory Profile (XMP) memory modules

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.

Expansion Slots

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

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. 24-pin ATX main power connector
2. 8-pin ATX 12V power connector
3. CPU fan header
4. system fan headers
5.  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. front panel header
11. front panel audio header
12. USB 3.2 Gen 1 header
13. USB 2.0/1.1 header
14. Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only)
15.  serial port header
16. Clear CMOS jumper
17. Q-Flash Plus button

1. PS/2 keyboard/mouse port
2. DVI-D port
3. 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. Water cooling flow rate detection
5. Overheating warning
6. Fan fail warning
7. Fan speed control

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.  Q-Flash
4.  Xpress Install

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