# Technical specifications

Technical specifications for AV.io SDI+ are included in the table below.

| **Connectors** | BNC style SDI connector USB standard B type |
| --- | --- |
| **Input** | SDI (3G-SDI, HD-SDI, SD-SDI) with BNC-style connector |
| Audio Input | 3.5mm analog audio 16-bit and 24-bit PCM encoded audio at 48 kHz |
| **Audio (UAC) output** | 16-bit 48 kHz stereo audio |
| **Capture latency** | Near-zero latency, although certain third-party applications may contribute delay |
| **LED** | LED indicates the status of AV.io SDI+ |
| OS support  (32-bit and 64-bit) | Windows 10 and up Mac OS X 10.10 and up  Linux distribution with kernel 3.5.0 or higher |
| **USB support ** | USB 3.0 and 2.0 |
| **Input Resolution** | Up to 1920×1080 |
| Input resolutions above 1920×1080 | Not supported |
| Supported output resolutions  (up to 60 fps) | 320×240  640×360 640×480 720×480 720×576 768×576 800×600 856×480 960×540 1024×576 1024×768 1152×864 1280×800 1280×960 1360×768 1366×768 1440×900 1440×900 1600×900 1600×1200 1680×1050 1920×1080 1920×1200 |
| **Dimensions** | 3.54″ × 2.36″ × 0.91″ (90 mm × 60 mm × 23 mm) |

AV.io SDI+ does not capture input resolutions above 1920×1080. The maximum capture input resolution is 1920×1080 at up to 60 frames per second. The 1920×1200 entry in the supported output resolutions list is a scaled USB output resolution only; it is not a supported capture input resolution.

> product: avio-sdi-plus · topic: specs-ports · source: avio-sdi-plus-userguide.md · updated: Oct 13, 2026