SDI video inputs: 2 x 12 Gb/s and 2 x 6 Gb/s SD/HD/2K/4K. Supports single/dual/quad link 4:2:2/4:4:4. 2D/3D switchable. – SDI video outputs: 2 x 12 Gb/s and 2 x 6 Gb/s SD/HD/2K/4K. Supports single/dual/quad link 4:2:2/4:4:4. 2D/3D switchable. – SDI rates: 270 MB, 1.5G, 3G, 6G, 12G. – Optical SDI: Supports 2 optional SMPTE modules. – SDI video loop: 4 x re-locked SD/HD/2K/4K matched with corresponding inputs. – SDI Video Repeat Outputs: 2 x 12 Gb/s and 2 x 6 Gb/s SD/HD/2K/4K. Supports single/dual/quad link 4:2:2/4:4:4. 2D/3D switchable. – Analog Video Inputs: 1 x Component YUV on 3 BNCs, 1 x Composite NTSC / PAL on 1 BNC. – Analog Video Outputs: 1 x Component YUV on 3 BNCs, 1 x Composite NTSC / PAL on 1 BNC. – Analog audio inputs: 4 channels of professional balanced analog audio via XLR connectors and 2 channels of consumer unbalanced via RCA connectors. – Analog audio outputs: 4 channels of professional balanced analog audio via XLR connectors. – Optical fiber inputs/outputs (optional): 2 x 12 Gb/s optical fiber. – AES/EBU audio inputs: 2 channels unbalanced with sample rate converter on BNC connector. – AES / EBU audio outputs: 2 channels unbalanced on BNC connector. – SDI audio inputs: 16 channels embedded in SD / HD / 2K / 4K. – SDI audio outputs: 16 channels embedded in SD / HD / 2K / 4K. – HDMI video inputs: HDMI 2.0 type A connector supporting 2160p60 – HDMI video outputs: HDMI 2.0 type A connector supporting 2160p60 – HDMI audio inputs: 8 channels embedded in SD / HD / 4K. – HDMI audio outputs: 8 channels embedded in SD / HD / 4K. – Microphone input: 1 x 48V microphone input via XLR connector. Phantom power switchable via software control. – Time code input: 1 x XLR input. – Time code output: 1 x XLR output. – Synchronization input: 1 x reference input. Tri-Sync or Black Burst. – Synchronization output: 1 x reference loop output. Tri-Sync or Black Burst. – Computer Interface: Thunderbolt™ 3 (Mac OS and Windows), PCI Express 4-lane Generation 2. – Power: 2 x built-in international AC power supply with IEC C14 input. 120-240V, 50-60Hz. – Software included: DaVinci Resolve, Media Express, Disk Speed ​​Test, LiveKey, Blackmagic Desktop Video Utility and Blackmagic Driver on Mac OS and Windows. Media Express, Blackmagic Desktop Video Utility and Blackmagic driver on Linux. – Internal software upgrade: Firmware built into software driver. Software driver loads upgrades on system startup or through updater software. – HDMI Video Standards: SD Video Standards 525i59.94 NTSC, 625i50 PAL – HD Video Standards: 720p50, 720p59.94, 720p60 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p 30, 1080p50, 1080p59.94, 1080p60 1080i50, 1080i59.94, 1080i60 – Ultra HD video standards: 2160p23.98, 2160p24, 2160p25, 2160p29.97, 2160p30, 216 0p50, 2160p59.94, 2160p60 – 4K Video Standards: 4K DCI 23, 98p, 4K DCI 24p, 4K DCI 25p – 3D Video Standards: 720p50, 720p59.94, 720p60 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080i50, 1080i59.94, 1080i60 – HDMI audio sampling: Standard sampling rate of 48 kHz and 24 bits. – HDMI video sampling: 4:4:4, 4:2:2 and 4:2:0 – HDMI configuration: HDMI 2.0a supports Deep Color and HDR. Automatically configured for connected display. – Multi-rate support: HDMI and SDI video connections are switchable between SD/HD/2K and 4K. Component analog video connections are switchable between SD and HD. – Copy protection: The HDMI input cannot record from copy-protected HDMI sources. Always confirm copyright before capturing or distributing content. – Color precision: 8, 10, 12‑bit RGB 4:4:4 up to 2160p30 and 8, 10‑bit YUV 4:2:2 in all standards. – Computer capture: 2 x Thunderbolt 3 for Mac and Windows plus PCI Express Gen 2 for Mac, Windows and Linux. Includes Blackmagic Desktop Video SDK. – Built-in control panel: 14 input selection buttons. 5 inch color screen. – Device management: 2 x RS-422 deck control. – Encoding: Hardware-based real-time h.265 encoder. – Ultra HD down-conversion: Built-in high quality hardware down-converter outputs Ultra HD to HD with down-converted signal on SDI outputs C & D and HDMI output when connected to an HD-only TV. – HD to SD Down Conversion: Built-in, high quality hardware down converter outputs HD to SD with down converted signal on SDI output B, Component and Composite NTSC / PAL. SD output selectable between letterbox, anamorphic 16:9 and center cut 4:3. – HD Up-conversion: Built-in, high quality hardware up-conversion from SD to 720HD or 1080HD on playback. Selectable between 4:3 pillarbox, 14:9 zoom and 16:9 zoom. – HD Cross-conversion: Built-in, high-quality hardware cross-convert from 720p to 1080HD and 1080HD to 720p on playback. – Real-time effects: DaVinci Resolve, Final Cut Pro X internal effects. Adobe Premiere Pro CC Mercury Playback Engine effects. Avid Media Composer internal effects. – Colorspace conversion: Hardware-based real-time. – 3D processing: Dual streaming and frame full capture and playback. – Physical Setup: Requires a computer with a Thunderbolt port or an available PCI Express slot. Blackmagic PCI Express cable kit sold separately for fast PCI Express Gen 3 connection. Check the support pages to see full system requirements.