Mainboard ASROCK AMD B550 SAM4 MicroATX 1xPCI-Express 3.0 1x 1xPCI-Express 3.0 16x 1xM.2 1xPCI-Express 4.0 16x Memory DDR4 Memory slots 4 1x15pin D-sub 1xHDMI 1xDisplayPort 2xUSB 2.0 1xUSB type C 5xUSB 3.2 1xPS/2 1xRJ45 3xAudio port B550MPRO4

• Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors
• 8 Power Phase Design, Digi Power
• Supports DDR4 4733+ (OC)
• 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
• Graphics Output Options: HDMI, DisplayPort, D-Sub
• AMD CrossFireX™
• 7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio
• 6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
• 2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)
• Realtek Gigabit LAN

Vendor Homepage: www.asrock.com/mb/AMD/B550M%20Pro4/ | M.2: 1 | PCI-Express 3.0 16x: 1 | PCI-Express 3.0 1x: 1 | PCI-Express 4.0 16x: 1 | 15pin D-sub: 1 | Audio port: 3 | DisplayPort: 1 | HDMI: 1 | PS/2: 1 | RJ45: 1 | USB 2.0: 2 | USB 3.2: 5 | USB-C: 1 | 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: 2133/2400/2666/2933/3200/3466/3600/3733/3800/3866/4000/4133/4200/4266/4333/4400/4466/4533/4600/4666/4733 | Memory slots: 4 | Integrated video: Depending on CPU | Integrated audio: Realtek ALC1200 | Integrated LAN: Gigabit | RAID: SATA 0, 1, 10 | Included Accessories: - Quick Installation Guide, Support CD, I/O Shield; - 2 x SATA Data Cables; - 2 x Screws for M.2 Sockets | Units per Shipping Box: 20 | Unit Calculated Volume: 0.005011 | Product Net Weight: 1.1 | Unit Calculated Weight: 1.39