Type Maximum data speed 5 Gbps USB version 3.2 Gen 1 Old designation USB 3.1 Gen 1 Shielding Multilayer protection against signal loss and EMI Connectors Non-gold-plated, corrosion-resistant aluminum connectors Compatibility Backward compatible with older USB standards Suitable for Data transfer Certification CE Brief explanation of all USB versions USB 2.0: Max 2.5 W (5V, 0.5A) – “High-Speed” up to 480 Mbps USB 3.2 Gen 1: Max 4.5 W (5V, 0.9A) – “SuperSpeed” up to 5 Gbps USB 3.2 Gen 2: Max 4.5 W (5V, 0.9A) – speeds up to 10 Gbps USB 3.2 Gen2x2: Max 100 W (20V, 5A) with USB C PD – speeds up to 20 Gbps USB4: Max 240 W (48V, 5A) with USB C PD – up to 40 Gbps Brief explanation of video and USB USB 2.0: Limited video support via DisplayLink adapters USB 3.2 Gen 1: Supports limited video with DisplayLink adapters USB 3.2 Gen 2: Supports limited video with higher bandwidth via DisplayLink adapters USB 3.2 Gen2x2: Supports video via DisplayPort Alt Mode, up to 4K resolution USB4: Full video support via DisplayPort and Thunderbolt, up to 8K resolution Brief explanation of USB Connectors USB Type A: Rectangular, wide and flat; usually with square corners USB Type B: Almost square, with beveled top and flat bottom USB Mini B: Small and trapezoidal; wide at the top, narrow at the bottom USB Micro B: Thin and rectangular, with rounded corners and a narrow profile USB C: Symmetrical oval, with flat and smooth edges; can be plugged in reversibly Wattage and Chargers More wattage is not a problem Your device only draws the power it needs, even if the charger is more powerful. A 45W charger can safely charge a smartphone that supports a maximum of 25W. Less wattage means slower charging A charger with less power than the device can handle will charge, but slower. For example, a 10W charger can charge a 25W device, but it will take longer to fully charge. An overview of all USB Chargers Click here Ask a product question