This MSI motherboard lets you build a powerful PC based on a 3th gen AMD processor and DDR4 RAM. Fancy a gaming rig or a content creator‘s workstation? Using the PCIe 4.0 expansion slot you can hook up most recent graphics cards for a truly high-end setup. Best thing about a PC is upgradeability. That's why this motherboard is seriously tough – the MSI Steel Armor reinforcement means you're up for many years of heavy use. Good to know - With the M.2 Thermal Frozr Guards it's ready to keep cool even a high-performance setup - EZ Debug LED helps you troubleshoot any issue quickly - Gigabit Ethernet port is great for lightning fast wired internet connection - With the Mystic Light app on your phone you can control any RGB strips or components added to your setup Processor Socket: AMD AM4 Form Factor: ATX Max RAM Size: 128 GB Overview: Form factor, ATX, Socket, AMD AM4, Chipset, AMD B550, Processor models supported, - Ryzen 3th gen processors and future AMD- Ryzen processors with BIOS update, Operating systems supported, Windows 10 or later, Memory slots, 4 x DIMM (Max RAM: 128 GB), Memory standard, DDR4, Cooling features, - Fan cooling- M.2 Shield Frozr General: Colour, Black, Box contents, - MSI B550-A PRO AM4 Motherboard- SATA cables x 2- Case badge- Support disc- IO shield- Quick installation guide, Dimensions, 305 x 244 mm ( H x W), Weight, 1.62 kg, Manufacturer’s guarantee, 3 years External connectivity: Video output, - HDMI x 1- DisplayPort x 1, USB, - USB 3.2 Gen 2 x 1- USB 3.2 Gen 1 x 4, Audio, 8-Channel (7.1) HD Audio with Audio Boost, LAN, Gigabit Ethernet port x 1 Internal connectivity: Expansion slots, - PCIe 4.0/ 3.0 (x16 slot) x 1- PCIe 3.0 (x16 slot) x 1, Storage slots, - SATA x 6 (6 GB/s) - M.2 Gen4 x 1- M.2 Gen3 x 1, Cooling, - CPU fan 4-pin x 1- CPU water pump 4-pin x 1- System fan 4-pin x 6, Power, - 24-pin ATX x 1- 8-pin 12V ATX x 1, Buttons, Flash BIOS, USB, - USB Type-C x 2- USB 2.0 x 8, Other internal connections, - RGB LED 4-pin x 1 - RAINBOW 3-pin LED x 2