Gigabyte B550M AORUS ELITE AX AMD Ryzen M-ATX Motherboard 4xDDR4 4xSATA 2xM.2 LAN RAID HDMI DVI-D 2xPCIEx16 4xUSB3.2 4xUSB2.0
KEY FEATURES:
Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 Series Processors
Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
5+3 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETs
Ultra Durable™ PCIe 4.0 Ready x16 Slot
Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors
Onboard Wi-Fi 6E 802.11ax & BT 5.3
High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
Realtek GbE LAN with Bandwidth Management
Rear HDMI & DVI Support
RGB FUSION 2.0 Supports Addressable LED & RGB LED Strips
Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card
Anti-Sulfur Resistors Design
SPECIFICATION:
CPU
AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 Series Processors
Memory
4 x DDR4 DIMM sockets supporting up to 128 GB
Onboard Graphics
1 x DVI-D port
1 x HDMI port
Expansion Slots
2 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
1 x PCI Express x1 slot (PCIEX1), integrated in the Chipset:
Storage 
2 x M.2 connector
4 x SATA
Back Panel Connectors1 x PS/2 keyboard/mouse port
1 x DVI-D port
1 x HDMI port
2 x SMA antenna connectors (2T2R)
4 x USB 3.2 Gen 1 ports
4 x USB 2.0/1.1 ports
1 x RJ-45 port
3 x audio jacks
Form Factor
Micro ATX Form Factor; 24.4cm x 24.4cm