Model: 40Q3K
from $149.99
TCL 40" Class Q3K Series 1080P FHD QLED Smart TV with Google TV (2025) features a 40-inch 1080p Full HD QLED display. It includes Google TV for smart functionality and content streaming. HDR 10 support provides enhanced contrast.
Mini-LED offers vastly superior contrast to standard QLED by using thousands of tiny dimming zones. High peak brightness makes these the best choice for bright, sunlit rooms. Available from $149.99.
These TVs are extremely bright, meaning they consume slightly more power than older LED models. Expected lifespan is long, with no ongoing consumable costs.
Common Failure Modes
The backlight array is the most stressed component. Failures usually present as dark patches on the screen, or complete failure to turn on due to a burnt-out power supply board.
Mini-LED offers vastly superior contrast to standard QLED by using thousands of tiny dimming zones. High peak brightness makes these the best choice for bright, sunlit rooms.
QLEDs last longer than OLEDs, typically 7-10 years, as they don't suffer burn-in.
The TCL 40" Class Q3K Series 1080P FHD QLED Smart TV with Google TV (2025) is available at bestbuy, starting at $149.99.
These TVs are extremely bright, meaning they consume slightly more power than older LED models. Expected lifespan is long, with no ongoing consumable costs.
See all QLED & Mini-LED TVs
Compare the full selection with specs and pricing.
Links may earn Covala Shopping a commission at no extra cost to you. Prices last verified at time of page load. As an Amazon Associate, Covala Shopping earns from qualifying purchases.
