Supports SD, SDHC/XC UHS-I cards with speeds up to 104 Mbps. HDCP-compliant HDMI video output: 4K (30 Hz) and FHD 1080p (60 Hz). Two USB 3.1 Gen 1 ports with up to 5 Gbps data transfer speed. HDMI multi-channel digital audio output on compatible devices. Thunderbolt-3 compatible and 100% plug-n-play, no drivers needed. Premium anodized aluminum casing minimizes EM interference.