AJA Io 4K Plus, Professional Video and Audio I/O over Thunderbolt 3™ Connected 12G-SDI and HDMI v2.0

Call for Price


12-bit 4K/UltraHD/HD I/O via Thunderbolt 3, with 12G-SDI and HDMI 2.0 I/O, AC Adapter (Thunderbolt cable not included)


The AJA Io 4K Plus is the cutting edge of capture and output hardware available over Thunderbolt 3, offering a full set of professional video and audio connectivity with support for the latest 4K/UltraHD devices, High Frame Rate (HFR), High Dynamic Range (HDR) and deep color workflows. The power of Thunderbolt 3 enables Io 4K Plus to handle a wide range of formats from SD to HD, UltraHD and full 4K with frame rates up to 60p over both 12G-SDI and HDMI 2.0 with single cable simplicity , plus HDR 10 and HLG support over HDMI for emerging HDR workflows.

AJA’s Io family of devices brings desktop I/O power to a portable size and shape. Move between desktop and mobile, macOS and Windows with a single device that has all the power and functionality your work requires.

Powerful and Flexible Professional I/O 
The Io family delivers powerful workflows in a compact form, bringing flexible I/O and high performance to any compatible workstation or laptop. The needs of video professionals continue to evolve. The ability to run full featured software on laptops and smaller form factor computers as well as the growing needs of streaming applications, on-set functionality and the move to 4K and HDR workflows, all create a tremendous need for compact video and audio I/O solutions. AJA answers that call with a range of products that provide desktop level functionality in a portable form factor that’s powerful enough to deliver in the edit suite and sturdy enough to handle life in the field.

Housed in a rugged chassis, Io devices are small and light enough to carry in a backpack along with a laptop, providing fully functional systems without having to transport large racks of additional gear. All Io devices are compatible with Windows or macOS, offering you the flexibility to work on your desired platform with the software of your choice.

Io models range from support for PCIe to Thunderbolt 3, ensuring that you can handle any desktop or laptop connectivity you may face. The Io family is built to the exacting standards of all AJA hardware and backed by our world class support network, three year international warranty and advance replacement service.

Software Compatibility 
Io’s are cross-platform and compatible with a wide range of professional Mac and Windows software applications. AJA hardware is compatible with a wide range of professional software applications on both macOS and Windows. AJA drivers and plug-ins create a seamless integration between the native software and AJA’s high quality hardware that lets you focus on the work, not the technology.

Thunderbolt 3 Performance from SD to 4K 
Io 4K Plus delivers tremendous performance and flexibility for your video and multi-channel audio I/O requirements. Ingest, monitor and output across 12G-SDI (which also supports 6G, 3G and 1.5G-SDI) and HDMI 2.0 with embedded or analog audio. Power any creative project using a rich professional feature set with support for High Frame Rate, Deep Color and HDR workflows.

The power and performance of Thunderbolt 3 enables Io 4K Plus to transfer your video and audio whether SD, HD, 2K, UltraHD or full 4K over both SDI and HDMI and supports 4K frame rates up to 50p/60p to and from your Thunderbolt 3 equipped Mac or PC. Io 4K Plus has dual Thunderbolt 3 ports enabling daisy chaining for configuration flexibility. Io 4K Plus hides immense power under its elegant exterior. Aluminum construction provides a solid shield from the rigors of life in the field, while looking beautiful in your edit suite. Io 4K Plus seamlessly integrates with leading production, post, mastering and streaming tools from Apple, Adobe, Avid, Autodesk, Telestream and many more.

Professional Connectivity 
Thunderbolt 3 technology allows even greater bandwidth between host computer systems and properly engineered Thunderbolt devices. AJA’s Io 4K Plus takes full advantage of this improved throughput to enable capture, monitoring and output of video signals from 4K over a single 12G or HDMI 2.0 cable, through to SD-SDI over a single 1.5G cable and everything in between.

Io 4K Plus supports 4K, UltraHD, 12G-SDI, 6G-SDI, 3G-SDI, Dual Link, HD-SDI and SD-SDI as well as UltraHD and HD over HDMI 2.0 for both capture and output. The HDMI output accurately displays HDR 10 and HLG for support of emerging HDR workflows. A dedicated, real time, always on HD-SDI output allows Io 4K Plus to simultaneously output to HD monitors when working at 4K or UltraHD resolutions, providing cost effective monitoring options in addition to full resolution outputs.

Io 4K Plus has the connectivity required for today’s broad bandwidth workflows. 12G-SDI in and out (connections also support 6G, 3G and 1,5G SDI) as well as HDMI in and out, simplifies your cable runs between cameras, routers, switchers, recorders and VTRs. Io 4K Plus elegantly handles 4K HFR and the increased color space and luminance ranges demanded by emerging HDR workflows. Bring your imagery to life with HDR 10 or HLG and a compatible HDMI monitor.

Small, Yet Powerful 
Io 4K Plus makes full use of Thunderbolt 3 speed, power and bandwidth, to enable outstanding capabilities and performance for all your 4K/UltraHD/2K/HD or SD production, post, streaming or live event needs. All at a size that’s small and rugged enough to easily take on-set or in the field. Connect to a Thunderbolt 3 laptop or desktop workstation anywhere and power your performance while dual Thunderbolt 3 ports enable daisy chaining for configuration flexibility, making life easier for you whether in the field or studio.

Io 4K Plus utilizes AJA’s proven driver and plug-in technology for compatibility with a wide range of production, editing, graphics and broadcast software packages. Capture and monitor directly within your application of choice for a seamless workflow solution wherever your creativity takes you, from set to studio and everywhere in-between. Io 4K Plus provides the flexibility to use the software tools that are appropriate for your workflow while maintaining consistent, high quality hardware capture, monitoring and output.