1. AMD Socket AM4, support for: 3rd Generation AMD Ryzen™ processors/ New Generation AMD Ryzen™ with Radeon™ Graphics processors

1. AMD B550

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 5200(O.C.) / 5000(O.C.) / 4866(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
3. New Generation AMD Ryzen™ with Radeon™ Graphics processors: Support for DDR4 5400(O.C.) / 5200(O.C.) / 5000(O.C.) / 4866(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

1. 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x16 mode
2. New 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
   * The M2B_SB connector shares bandwidth with the PCIEX4 slot. The PCIEX4 slot will become unavailable when an SSD is installed in the M2B_SB connectors.

1 x PCI Express x16 slot (PCIEX2), integrated in the Chipset:

1. Supporting PCIe 3.0 x2 mode
   * The PCIEX2 slot shares bandwidth with the SATA3 4, 5 connectors. The PCIEX2 slot will become unavailable when a device is installed in the SATA3 4 or SATA3 5 connector.

2 x PCI Express x1 slots

1. iTE® I/O Controller Chip

1. Realtek® 2.5GbE LAN chip (2.5 Gbit/1 Gbit/100 Mbit)

1. Realtek® ALC1220-VB codec
   * The back panel line out jack supports DSD audio.
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for S/PDIF Out

1. 3 x USB 3.2 Gen 1 ports on the back panel
2. 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel

Chipset:

1. 1 x USB Type-C™ port on the back panel, with USB 3.2 Gen 2 support
2. 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
3. 2 x USB 3.2 Gen 1 ports available through the internal USB header
4. 2 x USB 2.0/1.1 ports on the back panel

Chipset+2 USB 2.0 Hubs:

1. 8 x USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB headers)

1. 1 x 24-pin ATX main power connector
2. 1 x 8-pin ATX 12V power connector
3. 2 x M.2 Socket 3 connectors
4. 6 x SATA 6Gb/s connectors
5. 1 x CPU fan header
6. 1 x water cooling CPU fan header
7. 4 x system fan headers
8. 2 x system fan/water cooling pump headers
9. 1 x CPU cooler LED strip/RGB LED strip header
10. 2 x addressable LED strip headers
11. 2 x RGB LED strip headers
12. 1 x front panel header
13. 1 x front panel audio header
14. 1 x USB 3.2 Gen 1 header
15. 2 x USB 2.0/1.1 headers
16. 1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only)
17. 2 x temperature sensor headers
18. 1 x Clear CMOS jumper
19. 1 x Thunderbolt header

Ports arrière E/S

1. 1 x HDMI port
2. 3 x USB 3.2 Gen 1 ports
3. 1 x USB Type-C™ port, with USB 3.2 Gen 2 support
4. 2 x USB 3.2 Gen 2 Type-A ports (red)
5. 6 x USB 2.0/1.1 ports
6. 1 x Q-Flash Plus button
7. 1 x RJ-45 port
8. 1 x optical S/PDIF Out connector
9. 5 x audio jacks

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 Windows 10 64-bit

1. ATX Form Factor; 30.5cm x 24.4cm