Mainboard ASUS AMD B550 SAM4 MicroATX Memory DDR4 Memory slots 4 2xPCI-Express 3.0 1x 1xPCI-Express 4.0 16x 2xM.2 1x15pin D-sub 1xDVI-D 1xHDMI 6xUSB 3.2 1xPS/2 1xRJ45 3xAudio port PRIMEB550M-A

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB headers supportt

• AMD AM4 socket: Ready for 3rd Gen AMD Ryzen™ Processors
• Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
• Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
• Aura Sync RGB: Onboard addressable Gen 2 header for RGB LED strips, easily synced with Aura Sync-capable hardware

Vendor Homepage: www.asus.com/Motherboards/PRIME-B550M-A/ | M.2: 2 | PCI-Express 3.0 1x: 2 | PCI-Express 4.0 16x: 1 | 15pin D-sub: 1 | Audio port: 3 | DVI-D: 1 | HDMI: 1 | PS/2: 1 | RJ45: 1 | USB 3.2: 6 | SATA 3.0: Yes | Serial: Yes | USB 2.0: Yes | USB 3.2: Yes | Chipset: AMD B550 | Socket: SAM4 | Form Factor: Micro-ATX | Memory type: DDR4 | Frequency speed: 2133/2400/2666/2800/3000/3200/3333/3466/3600/3733/3866/4000/4133/4266/4400/4600/4800 | Memory slots: 4 | Integrated video: Depending on CPU | Integrated audio: Realtek ALC887 | Integrated LAN: Gigabit | RAID: SATA 0, 1, 10 | Units per Shipping Box: 1 | Unit Calculated Volume: 0.003577 | Product Net Weight: 0.85 | Unit Calculated Weight: 0.976