PRIME 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 A520 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features Cooler by Design PRIME A520M-K is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads. Each header can dynamically reference three thermal sensors. Fan Xpert allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks The onboard chassis fan header supports auto-detection of PWM or DC fan. A dedicated integrated circuit protects the fan header from overheating and overcurrent. M.2 (up to 32 Gbps), Achieve speed with onboard M.2 M.2 Slot supports data-transfer speed up to 32Gbps via x4 PCI Express 3.0 bandwidth. It's the perfect choice for an operating system or application drive, providing fast access to data. USB 3.2 Gen 1 Type-A Numerous USB ports support high-end rigs loaded with peripherals, including four rear-panel USB Type-A connectors with fast USB 3.2 Gen 1 connectivity for compatible cases. SafeSlot Core Fortified PCIe slot prevents damage SafeSlot Core is the ASUS-exclusive PCIe slot. Featuring a fortified design that s anchored to the motherboard by a special hook, SafeSlot Core provides 1.6x stronger retention and 1.3x greater shearing resistance than standard expansion slots.