Toshiba 55M450SU Tv
- TV
- 55 inches
- TOSHIBA
- QLED
- Better rated than 82%
A 55 inch QLED 4K TV built around Fire TV's interface, best suited to households already inside the Amazon streaming ecosystem.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 249 tvs we track
5.0★ across 1 Amazon ratings, Bayesian-smoothed toward the category average.
1 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 249 tvs we track - how the scorecard works · full tvs data report. Confidence: limited - limited rating history.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Toshiba 55M450SU is a 55 inch 4K UHD QLED television running Fire TV's smart platform. QLED technology aims for richer color and brightness than standard LED at this size, and the 60Hz refresh rate covers typical streaming and broadcast viewing.
Toshiba pairs a 55 inch QLED panel with Amazon's Fire TV interface, putting Prime Video, streaming apps and voice control front and center rather than a proprietary smart hub. Connectivity here is Wi-Fi only, so anyone wanting Ethernet or Bluetooth for wireless audio will need to look elsewhere. The 2.8 inch depth listed points to a slim panel profile once mounted or on its stand.
- 55 inch 4K UHD QLED panel
- Fire TV smart platform built in
- 60Hz refresh rate
- Wi-Fi connectivity
Who it's for
Suits buyers already inside the Amazon ecosystem who want a mid-size QLED screen for a living room or media room. Less ideal for anyone who needs a wired Ethernet connection or Bluetooth audio pairing.
Strengths and trade-offs
Drawn from this product's published specifications.
- QLED panel for richer color than standard LED
- Fire TV built in with no separate device needed
- 55 inch screen suited to a living room
- Wi-Fi only, no Ethernet or Bluetooth listed
- 60Hz refresh rate limits fast-motion performance
Performance notes
QLED display tech typically pushes brighter, more saturated color than standard LED panels, and at 4K UHD resolution with a 60Hz refresh rate this Toshiba is built for everyday streaming and broadcast content rather than high frame rate gaming. Fire TV runs natively, putting Amazon's app store and Alexa voice features directly on the remote. With only Wi-Fi listed for connectivity, it depends on a wireless network rather than a wired connection.
Specifications
| Brand | Toshiba |
|---|---|
| Model | 55M450SU |
| Dimensions & fit | |
| Screen Size | 55 inches |
| Dimensions | 48.5 × 2.8 × 28.1 inches |
| Compatibility & installation | |
| Connectivity | Wi-Fi |
| Other details | |
| Brand Tech | TOSHIBA |
| Display Tech | QLED |
| Resolution | 4K UHD |
| Smart Platform | FireTV |
| Refresh Rate | 60 Hz |
Other Toshiba tvs
How it compares
This product against the closest alternatives we track in tvs.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Toshiba 55M450SU TvThis product | 5.0 / 5 | 1 | 2.7 / 5 |
| TCL 65S425 TvTCL | 4.6 / 5 | 44,400 | 4.0 / 5 |
| Insignia NS-55F501NA26 TvInsignia | 4.4 / 5 | 9,600 | 3.9 / 5 |
| Roku 43R4A5R TvRoku | 4.5 / 5 | 4,600 | 3.9 / 5 |
| LG 24LJ4540 TvLG | 4.5 / 5 | 4,300 | 3.9 / 5 |
Similar tvs from other brands
Questions about the Toshiba 55M450SU
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the Toshiba 55M450SU have Ethernet or Bluetooth?
Only Wi-Fi connectivity is listed for this model, so it relies on a wireless network connection.
What smart platform does this Toshiba TV run?
It uses Amazon's Fire TV platform built directly into the television.
Is the Toshiba 55M450SU an OLED or QLED display?
It uses QLED display technology at 4K UHD resolution.