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ViewHarbour
Fire TV Cube (3rd Gen)
Best premium Fire TV

Fire TV Cube (3rd Gen)

Amazon’s premium Fire TV box with hands-free Alexa, Wi‑Fi 6E, Ethernet, HDMI input, USB and 4K HDR support.

Updated 21 Aug 2026UK-focused verdict
PlatformFire TV
Storage16GB
RAM2GB
EthernetBuilt in
Dolby VisionYes
WirelessWi‑Fi 6E
Compare this device Official specs ↗
BEST FORAmazon-heavy living rooms that want hands-free Alexa, Ethernet and more connectivity than a Fire TV Stick.
AVOID IFStill only 16GB storage, and the interface remains strongly centred on Amazon services.
QUICK VERDICT

Amazon-heavy living rooms that want hands-free Alexa, Ethernet and more connectivity than a Fire TV Stick.

ViewHarbour keeps the strengths and compromises visible so the recommendation is easier to judge.

Why it stands out

  • 16GB storage is more comfortable than basic 8GB devices
  • Built-in Ethernet gives you a straightforward wired-network option
  • Dolby Vision support suits compatible HDR TVs
  • Wi‑Fi 6E support for modern wireless networks

What to know first

  • Still only 16GB storage, and the interface remains strongly centred on Amazon services.
  • 2GB RAM is adequate rather than class-leading
RESEARCH BASIS

Specs checked against a primary source.

This verdict is research-based unless hands-on testing is explicitly stated. Marketing claims are not treated as independent evidence.

Page reviewed21 Aug 2026
Testing statusResearch-based
Primary sourceOpen official specs ↗

ViewHarbour verdict

Fire TV Cube (3rd Gen) is the premium Fire TV option for buyers who want more than a stick. It combines an octa-core processor, Wi‑Fi 6E, Ethernet, USB, HDMI input and hands-free Alexa control.

Who should buy it?

It is strongest in an Amazon-centred living room where Alexa equipment control, wired networking and extra ports are genuinely useful.

What to know first

Its 16GB storage is modest for a premium box and the software experience is still heavily Amazon-led.

Research status: this page is research-based unless it explicitly states that ViewHarbour has personally tested this exact model.
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