# Video capturing device AJA Io 4K Plus

**URL:** https://aio.lv/en/product--aja-io-4k-plus--1002320
**Data updated:** 2026-01-09 12:22 (EET)
**Category:** TV Tuners & Video Capture Devices
**Manufacturer:** AJA
**Manufacturer code:** Io 4K Plus
**EAN:** 0892448000809
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The AJA Io 4K Plus is a versatile video capturing device featuring Thunderbolt connectivity. It supports AC input voltage from 10 to 20 V and has compact dimensions of 222 mm width, 206 mm depth, and 41.9 mm height. Ideal for professional video production, it offers high-quality 4K capture and playback capabilities, making it suitable for a range of applications from broadcasting to post-production.

## Long description

The AJA Io 4K Plus is a Thunderbolt 3 video capturing device that provides professional 4K/UltraHD capture and output with support for High Frame Rate (HFR), High Dynamic Range (HDR) and deep color workflows. It offers 12G-SDI and HDMI 2.0 connectivity for single-cable capture and playback up to 4K 60p, two Thunderbolt 3 (USB-C) ports for system flexibility, embedded digital audio and configurable analog audio via DB-25, and a front panel mini-TRS headphone jack. The unit also outputs an HD-SDI down-converted signal for monitoring 4K content on HD displays.
Advantages
Io 4K Plus consolidates professional video and audio I/O into a compact Thunderbolt 3 device, enabling single-cable workflows for high-bandwidth 4K, UltraHD and HDR content. It supports broad SDI formats (12G/6G/3G/1.5G), HDMI 2.0 with HDR10 and HLG metadata support, and offers flexible analog audio routing through a DB-25 connector. Two Thunderbolt 3 ports provide daisy-chaining and compatibility with modern Mac and PC workstations.
Suitable for
4K/UltraHD capture and playback in post-production and finishing
Broadcast workflows requiring SDI and HDMI connectivity
HDR and deep color color grading and monitoring
Live capture of game consoles and HFR sources via HDMI 2.0
Audio-over-SDI and analog audio recording using DB-25 breakout
Key specifications
Interfaces: 12G/6G/3G/1.5G-SDI, HDMI 2.0
Thunderbolt: 2 × Thunderbolt 3 (USB-C), up to 40 Gb/s
Video formats: SD, HD, UltraHD, 4K up to 60p
HDR support: HDR10 and HLG over HDMI (HDR InfoFrame, HDMI 2.0a/CTA-861.3)
Audio: Embedded 16-channel SDI, 8-channel HDMI, analog I/O via DB-25 (configurable 8 channels)
Monitoring: HD-SDI down-converted output; front mini-TRS headphone jack
Physical: 222 mm × 206 mm × 41.9 mm
Power: AC input voltage 10–20 V
How to use
Connect Io 4K Plus to your Mac or PC using a Thunderbolt 3 (USB-C) cable; the device provides two Thunderbolt 3 ports for daisy-chaining. Use the 12G-SDI or HDMI 2.0 inputs for capture and the corresponding outputs for playback or monitoring. Configure analog audio routing with the desktop software to set the DB-25 breakout for the required channel mapping and bit depth. For HDR workflows, enable HDR10 or HLG metadata on HDMI output when supported by your software and display.
Usage recommendations
Use high-quality Thunderbolt 3 and SDI/HDMI cables, ensure your host computer meets Thunderbolt 3 bandwidth requirements, and update to the latest AJA desktop software (v14 or later) for full HDR and HDMI input support.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| HDMI in | 1 |
| Number of HDMI outputs | 1 |

### Video

| Feature | Value |
|---|---|
| Analog signal format system | Not supported |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.6 kg |
| Height | 41.9 mm |
| Width | 222 mm |
| Depth | 206 mm |

### Power

| Feature | Value |
|---|---|
| AC input voltage | 10 - 20 |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 90 |
| Storage temperature (T-T) | -40 - 60 |
| Operating temperature (T-T) | 0 - 40 |

### Performance

| Feature | Value |
|---|---|
| Internal | No |
| Host interface | Thunderbolt |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All AJA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized AJA service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, internal, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Video capturing device AJA Io 4K Plus?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1002320/64108904_large.webp