---
product_id: 503534606
title: "SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K"
brand: "silicondust"
price: "€ 11.79"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.ie/products/503534606-silicondust-hdhomerun-flex-4k-atsc-3-0-nextgen-tv-2
store_origin: IE
region: Ireland
---

# 4K UHD streaming support 4 tuners (2 ATSC 3.0 + 4 ATSC 1.0) Multi-device WiFi & Ethernet connectivity SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K

**Brand:** silicondust
**Price:** € 11.79
**Availability:** ✅ In Stock

## Summary

> 📡 Unlock the future of free TV—stream smarter, watch sharper, and never miss a moment!

## Quick Answers

- **What is this?** SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K by silicondust
- **How much does it cost?** € 11.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/503534606-silicondust-hdhomerun-flex-4k-atsc-3-0-nextgen-tv-2)

## Best For

- silicondust enthusiasts

## Why This Product

- Trusted silicondust brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **NextGen TV Ready:** Experience crystal-clear ATSC 3.0 broadcasts with backward compatibility for ATSC 1.0, future-proofing your home entertainment.
- • **4K Ultra HD Quality:** Enjoy stunning 4K resolution where available, elevating your binge-watching and live sports sessions.
- • **Optional DVR Flexibility:** Add a USB hard drive to unlock DVR capabilities with paid TV guide—record, pause, and rewind live TV effortlessly.
- • **Simultaneous Multi-Stream:** Stream live TV on up to 4 devices at once—perfect for busy households or multitasking pros.
- • **Universal Device Compatibility:** Seamlessly connects with AppleTV, Xbox, Roku, FireTV, Android, iOS, Windows, Mac, and more—your entire ecosystem covered.

## Overview

The SiliconDust HDHomeRun Flex 4K is a cutting-edge network TV tuner featuring 4 tuners (2 ATSC 3.0 and 4 ATSC 1.0) that streams live and 4K UHD content over WiFi or Ethernet to multiple devices simultaneously. Compatible with a broad range of platforms including AppleTV, Xbox, Roku, and more, it supports optional DVR functionality via USB hard drive, making it the ultimate solution for next-generation free-to-air TV viewing.

## Description

ATSC 3.0 NextGenTV is here! Receive and watch free to air ATSC 3.0 and ATSC 1.0 TV on a wide range of devices anywhere in your home over your existing Wifi or wired network. All the features of the HDHomeRun CONNECT QUATRO or 4K plus USB for connecting a hard drive (optional). Supports 4K content where available. If ATSC 3.0 is not yet available in your area the HDHomeRun FLEX 4K will use ATSC 1.0. Future proof your TV experience! New: ATSC 3.0 audio on all Windows/Mac/iOS/AppleTV/Android/FireTV devices.

Review: Great little OTA device
Review: Local broadcast channels stream across my network with built-in DVR features for free

## Features

- FLEX - the next generation HDHomeRun CONNECT 4K
- Watch live TV on multiple devices simultaneously throughout your home with our Multi room Multi user network tuner solution
- All the features of the HDHomeRun CONNECT QUATRO & 4K models plus optional DVR by connecting a USB hard drive (requires paid TV guide for DVR record)
- ATSC 1.0 content is compatible with XBoxOne AppleTV iPhone iPad Win10/11 Mac Android FireTV Sony and LG devices. ATSC 3.0 content is compatible with XBoxOne AppleTV iPhone iPad Win10/11 Mac Sony most-Android most-FireTV and 2019+LG devices. Live TV and playback support on some Roku models.
- 4 tuners (2 ATSC 3.0, all 4 ATSC 1.0)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B092GCN9NL |
| Analog Video Format | AVI |
| Antenna | Television |
| AntennaDescription | Television |
| Box Contents | HDFX-4K, power adapter |
| Brand | SiliconDust |
| Brand Name | SiliconDust |
| Compatible Devices | Android, FireTV, AppleTV, Roku, Sony, XBox, iPhone, iPad, Win10/11, Mac |
| Compatible devices | Android, FireTV, AppleTV, Roku, Sony, XBox, iPhone, iPad, Win10/11, Mac |
| Connectivity technology | Ethernet |
| Connector Type | usb |
| Connector type | usb |
| Customer Reviews | 4.0 out of 5 stars 1,706 Reviews |
| Includes Remote | No |
| Item Dimensions L x W x H | 17.8L x 12.7W x 5.6H centimetres |
| Manufacturer | Silicondust USA Inc |
| Network Connectivity Technology | Ethernet |
| Product dimensions | 17.8L x 12.7W x 5.6H centimetres |
| Tuner Type | ATSC 3.0 |
| UPC | 850028206010 |

## Product Details

- **Brand:** SiliconDust
- **Compatible devices:** Android, FireTV, AppleTV, Roku, Sony, XBox, iPhone, iPad, Win10/11, Mac
- **Connectivity technology:** Ethernet
- **Connector type:** usb
- **Product dimensions:** 17.8L x 12.7W x 5.6H centimetres

## Images

![SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K - Image 1](https://m.media-amazon.com/images/I/51qE-u4zsLL.jpg)
![SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K - Image 2](https://m.media-amazon.com/images/I/51p1oKfduaS.jpg)
![SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K - Image 3](https://m.media-amazon.com/images/I/31AdKnBXXtS.jpg)
![SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K - Image 4](https://m.media-amazon.com/images/I/31bOdYmsXTS.jpg)
![SiliconDust HDHomeRun Flex 4K ATSC 3.0 NextGen TV: 2/4 Tuners HDFX-4K - Image 5](https://m.media-amazon.com/images/I/71uPlH6Ln7S.jpg)

## Questions & Answers

**Q: All i want is to watch ota atsc 3.0 will this work for that purpose? local station is going atsc 3.0**
A: 2 of the 4 tuners support atsc 3.0 (HEVC video format and AC-4 audio codec).   all 4 tuners work with atsc 1.0, IE current HD broadcasts (MPEG-2 video and AAC audio) so you can use lots of player apps for 1.0 (Plex Emby etc. that most smart TVs or Firesticks Rokus etc. are able to provide.    But You can only watch up to 2 simultaneous 3.0 channels (or can record 2 atsc 3.0 channels if you are using the DVR feature of the HDHomeruns)   A few of the very newest (typically OLED) TV's are able to be directly compatible to play this back (the AC-4 audio which is a Dolby format that is NOT commonly supported yet) or as others are noting, you can tune to and play the 3.0 broadcasts on most of the HD Homerun apps on some (not all) devices.   NVIDIA shield probably the best bet.   Interestingly the Channels App downloaded with NVidia sheield or several NAS (network attached storage) devices that support that application can now record/playback the format and handle the audio as well.

**Q: What is the difference between this flex model and the hdhr5-4k?**
A: The FLEX 4K is a CONNECT 4K with a USB port for optionally connecting a hard drive. With no hard drive plugged in it works exactly the same as a CONNECT 4K.

**Q: What codec is the content streamed in?**
A: There is at least one streaming player that supports AC-4 audio, the Roku Ultra 4800. It has to be the 4800 model, as that is the only Roku that supports AC-4 audio.

**Q: I have a 1 tb hdd, 3 non-smart tvs with firestick, 3 avr audio systems with hdmi, and 100+ gb/s wifi. what else do i need to make this work?**
A: You need 1) an over the air (OTA) antenna, 2) an ethernet cable to connect the HDHRun to your router or ethernet switch (no WiFi), and 3) Your hard drive needs to be connected to same home network if you intend to use it to DVR OTA TV programs. Keep in mind the HDHRun is an internet dependent system.  If your internet goes out, the HDHRun unit won’t work at all.  I have both the Tablo dual, and an HDHR 4k flex unit. I prefer the Tablo since I can watch live and recorded TV while the internet is down (home network must be running though). You also connect your hard drive directly to the Tablo via USB, and it can use either WiFi or ethernet hardwire to connect to the app. The Tablo app you download from the app store will find and connect to it - same as the HDHR appa. I haven’t tried AirTV yet. It looks promising, and will interlace the OTA broadcast with Sling.  
The HDHR is a good quality device, but has several aspects I find annoying.
1) I already mentioned that it MUST be connected to the internet before the home screen will come up. 
2) Hardwire ONLY connection to your home network.  3) Access to the channel scan utility is not within the app. You access the channel utility through the device’s IP address.
4) You have to pay Silicon dust a subscription ($30/yr) to use the DVR function.  Tablo only requires a subscription to get a 2 week grid guide - else you only get 24 hours look ahead. 
Hope this helps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great little OTA device
*by R***N on 11 July 2022*



### ⭐⭐⭐⭐⭐ Local broadcast channels stream across my network with built-in DVR features for free
*by H***R on 23 February 2026*



### ⭐⭐⭐⭐ Great concept and works, for the most part
*by R***E on 15 March 2024*



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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-10*