Developer Comparison

Io Family and T-TAP Family

Model

Io X3
Io X3 		Io 4K Plus
Io 4K Plus 		T-TAP Pro
T-TAP Pro
AJA SDK NTV2 NTV2 NTV2
Windows
macOS
Current Firmware 07/03/2024 01/24/2025 08/11/2021
First Supported SDK Version 16.2 14.2 16.0

Video Support Overview

Io X3 Io 4K Plus T-TAP Pro
HDR via SDI
HDR via HDMI
HFR
4K/UHD -
2K/HD 1080p
2K/HD 1080 PsF
HD 1080i/HD 720p
SD
47.95/48p (2K, 4K or 8K only)

Video Capabilities

Io X3 Io 4K Plus T-TAP Pro
Maximum Number of SDI Video Inputs 4 4 (12G) 0
Maximum Number of SDI Video Outputs 4 4 (12G) 1
Total Number of SDI Video I/O Spigots 4 4 (12G) 1 (12G)
Total Number of SDI Monitor Spigots - 1 (3G) 1 (12G)
Maximum Number of HDMI Video Inputs 1 1 (2.0) -
Maximum Number of HDMI Video Outputs 1 1 (2.0) 1 (2.0)
Total Number of HDMI Video I/O Ports 2 2 (2.0) 2 (2.0)
Independent-Simultaneous I/O - -
SMPTE 424 3G I/O
SMPTE 259/292/296 -
SMPTE 372 Dual Link -
8/10 bit RGB Framestore Formats
Number of Independent Framestores 4 4 1
Number of 1D Luts 4 5 1
Number of Mixer/Keyer Widgets 2 2 -
Number of Color Space Converters 4 5 1
Video Key I/O -
Multiple 2K/HD Extraction from 4K - -

Audio

Io X3 Io 4K Plus T-TAP Pro
Number of Embedded Audio Channels per SDI stream 16 16 16
Number of Embedded Audio Channels per HDMI stream 8 8 8
Number of Analog Audio Channels 8 8 0
Headphone Output (mini-jack, stereo pair)

Ancillary

Io X3 Io 4K Plus T-TAP Pro
SMPTE 12M-2 (RP188)
Expanded VANC Support
Number of LTC Inputs 1 1 0
Number of LTC Outputs 1 1 0

Reference

Io X3 Io 4K Plus T-TAP Pro
Genlock -
Analog Reference Input -
Tri-Level Sync -

Physical and Electrical

Io X3 Io 4K Plus T-TAP Pro
PCIe Gen 3.0
Number of PCIe Lanes 4 4 4
Thunderbolt 3
Number of Thunderbolt Ports 2 2 1
RS 422 -
Number of DMA Engines 2 2 2
DMA Tranfer Rate in MB/s (typical) 2400 2400 2400
Chassis Dimensions (w x d x h) 8.74” x 7.09” x 1.65” (222.0 x 180.09 x 41.91 mm) 8.74” x 8.11” x 1.65” (222.0 x 206.0 x 41.9 mm) 5.0" x 1.0" x 5.0" (127.0 x 25.4 x 127.0 mm)
Power Delivery [PCIe slot, PCIe ATX, ext-PS] external PS external PS external PS
Power Consumption in Watts (maximum) 28W 36W, 70W if power delivery to external devices 18W

Please contact third party companies for specifics around their stated support for AJA products.

AJA Desktop Software from AJA provides direct support and plug-ins for: Adobe Creative Cloud Premiere Pro, After Effects and Audition products, AJA Control Room, Apple Final Cut Pro, Avid Media Composer Products and Telestream Wirecast only.