The AVerMedia GC553Pro Live Gamer Ultra S is a professional 4K HDMI capture card designed for high-quality streaming and recording applications. This USB 3.2 device supports 4K resolution at 60 frames per second in passthrough while simultaneously recording in 1080p at 60 fps, making it suitable for gaming consoles like PlayStation 5, Xbox Series X/S, and Nintendo Switch, as well as PC setups. The capture card features ultra-low latency technology for real-time monitoring without noticeable delay, ensuring smooth performance during live broadcasts. It supports HDR10 passthrough for enhanced image quality on compatible displays. The device connects via USB 3.2 Type-C for high-speed data transfer and is compatible with popular streaming software such as OBS Studio, Streamlabs, XSplit, as well as platforms like Twitch, YouTube, and Discord. It includes a 3.5 mm audio input for external microphones and supports uncompressed audio recording. The compact design measures approximately 120 mm x 80 mm x 25 mm and weighs around 200 g, making it portable for various setup configurations. This model is the successor to previous AVerMedia capture devices with improved encoder efficiency and broader compatibility. It requires a computer with a USB 3.2 port and a compatible operating system for optimal performance. The capture card operates within a temperature range of 0°C to 40°C and includes necessary HDMI cables for immediate use. Professional users appreciate the reliable performance during long streaming sessions and the consistent video quality maintained across various source devices.