Free items are subject to availability, please check this is added to your basket on check out. AMD AM4 socket: Ready for 3rd Gen AMD Ryzen(TM) 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 ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. Tune It Your Way Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work - maximizing your productivity. Cool to the Core Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads. Build on a Solid Foundation Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options. PCIe 4. 0 M. 2 (up to 64 Gbps) Achieve speed with onboard M. 2 PCIe 4. 0 M. 2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4. 0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.