MB AM4 Gigabyte B550 AORUS MASTER 1.0 ATX

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

Chipset
AMD B550

Memory
4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
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
Dual channel memory architecture

Onboard Graphics
Integrated in the New Generation AMD Ryzen™ with Radeon™ Graphics processors:
1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz

Audio
Realtek® ALC1220-VB codec
* The back panel line out jack supports DSD audio.
Support for DTS:X® Ultra

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

Wireless Communication module
Intel® Wi-Fi 6 AX200
WIFI a, b, g, n, ac with wave 2 features, ax, supporting 2.4/5 GHz Dual-Band
BLUETOOTH 5
Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate

Expansion Slots
1 x PCI Express x16 slot (PCIEX16), integrated in the CPU (supporting PCIe 4.0 x16 mode)
2 x PCI Express x16 slots (PCIEX4_1/PCIEX4_2), integrated in the Chipset (supporting PCIe 3.0 x4 mode)

Storage Interface
1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2280/22110 SSDs:
Support SATA and PCIe 4.0 x4/x2 SSDs
2 x M.2 connectors (M2B_CPU/M2C_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2280/22110 SSDs:
Support PCIe 4.0 x4/x2 SSDs
6 x SATA 6Gb/s connectors, integrated in the Chipset:
Support for RAID 0, RAID 1, and RAID 10

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

https://www.gigabyte.com/Motherboard/B550-AORUS-MASTER-rev-10#kf