1. AMD Socket AM4, support for : AMD Ryzen™ 5000 Series / 3rd Generation AMD Ryzen™ processors / 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors

(Please refer "CPU Support List" for more information.)

1. AMD B550

1. 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
2. AMD Ryzen™ 5000 series processors:
   Support for DDR4 5100(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. 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
4. 3rd Gen 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
5. Dual channel memory architecture
6. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules
7. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
8. Support for Extreme Memory Profile (XMP) memory modules

(Please refer "Memory Support List" for more information.)

Integrated in the 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors+Intel® Thunderbolt™ 3 Controller:

1. 2 x Intel® Thunderbolt™ 3 connectors (USB Type-C™ ports), supporting DisplayPort and Thunderbolt™ video outputs and a maximum resolution of 5120x2880@60 Hz with 24 bpp
   * Because of the limited I/O resources of the PC architecture, the number of Thunderbolt™ devices that can be used is dependent on the number of the PCI Express devices being installed. (Refer to Chapter 1-6, "Back Panel Connectors," for more information.)
   * Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.

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

1. 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

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

1. Intel® 2.5GbE LAN chip (2.5 Gbit/1000 Mbit/100 Mbit) (LAN1)
2. Realtek® 2.5GbE LAN chip (2.5 Gbit/1000 Mbit/100 Mbit) (LAN2)

Intel® Wi-Fi 6 AX200

1. WIFI a, b, g, n, ac with wave 2 features, ax, supporting 2.4/5 GHz Dual-Band
2. BLUETOOTH 5
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.

1? 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 (PCIEX8), integrated in the CPU:

1. 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x8 mode
2. 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors support PCIe 3.0 x8 mode
   * The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot operates at up to x8 mode.

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

1. Supporting PCIe 3.0 x4 mode
   * The PCIEX4 slot shares bandwidth with the M2B_SB connector. The PCIEX4 slot becomes unavailable when a device is installed in the M2B_SB connector.

1. Support for AMD Quad-GPU CrossFire™ and 2-Way AMD CrossFire™ technologies

1? 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 2242/2260/2280/22110 SSDs:

1. Supporting SATA and PCIe 3.0 x4/x2 SSDs

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

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

Integrated in the CPU:

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+Intel® Thunderbolt™ 3 Controller:

1. 2 x USB Type-C™ ports on the back panel, with USB 3.2 Gen 2 support

Chipset:

1. 1 x USB Type-C™ port with USB 3.2 Gen 1 support, available through the internal USB header
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. 1 x USB 2.0/1.1 port on the back panel

Chipset+2 USB 2.0 Hubs:

1. 5 x USB 2.0/1.1 ports (1 port 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. 1 x CPU fan header
4. 1 x water cooling CPU fan header
5. 4 x system fan headers
6. 2 x system fan/water cooling pump headers
7. 2 x addressable LED strip headers
8. 2 x RGB LED strip headers
9. 1 x CPU cooler LED strip/RGB LED strip header
10. 2 x M.2 Socket 3 connectors
11. 4 x SATA 6Gb/s connectors
12. 1 x SATA DOM power connector
13. 1 x front panel header
14. 1 x front panel audio header
15. 1 x USB Type-C™ port, with USB 3.2 Gen 1 support
16. 1 x USB 3.2 Gen 1 header
17. 2 x USB 2.0/1.1 headers
18. 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
19. 1 x serial port header
20. 1 x Clear CMOS jumper
21. 2 x temperature sensor headers
22. 1 x Q-Flash Plus button

1. 1 x PS/2 keyboard/mouse port
2. 1 x DisplayPort In port
3. 1 x HDMI port
4. 2 x SMA antenna connectors (2T2R)
5. 2 x USB 3.2 Gen 2 Type-A ports (red)
6. 2 x Thunderbolt™ 3 connectors (USB Type-C™ port, with USB 3.2 Gen 2 support)
7. 3 x USB 3.2 Gen 1 ports
8. 2 x USB 2.0/1.1 ports
9. 2 x RJ-45 ports
10. 1 x optical S/PDIF Out connector
11. 5 x audio jacks

1. iTE® I/O Controller Chip

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
   * Whether the fan (pump) speed control function is supported will depend on the fan (pump) 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. cFosSpeed

1. Support for Windows 10 64-bit

1. ATX Form Factor; 30.5cm 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.