Is the TCL A400U good for gaming?

Yes. The 120 Hz panel and four HDMI ports suit consoles, and motion is smooth. Check that your console's features match what the set supports before buying.

How does it compare with TCL's QM series?

The QM sets have more dimming zones and higher peak brightness. The A400U is slimmer and still gives strong contrast, so it is the value step below the flagship.

Does it support Google Assistant and Siri?

Yes. Google TV includes Google Assistant, and the set also lists Siri support for Apple users.

Is the screen good in a bright room?

The anti-glare coating and bright Mini LED backlight help in daylight. Very sunny rooms still benefit from curtains or blinds.

The TV, a stand, a remote and power cable are standard. A wall mount and HDMI cables are usually sold separately.

Do I need a soundbar?

Built-in sound is average. A soundbar or AV receiver improves dialogue and bass noticeably.

TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch

Best price now

$899.99at Best Buy

TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch

Best price now

$899.99at Best Buy

Checked 1 h ago

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Price facts

Lowest price today: $899.99 at Best Buy (checked Nov 11, 2026).
Checked at 3 stores.

Our take on the TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch

The TCL A400U is a 65-inch 4K Google TV using QD-Mini LED backlighting with quantum dots, a 120 Hz panel and an anti-glare screen. It sits in TCL's step-up Designer Series, above the basic QLED sets and below the flagship QM series, so it trades some peak brightness and dimming zones for a slimmer build. Four HDMI ports, Google Assistant and Siri support, and Google TV streaming cover most living-room setups. It suits buyers who want strong contrast and wide viewing angles without paying flagship money.

Best forLiving rooms with bright windowsMovie and sports watchingGoogle TV and voice-control usersBuyers stepping up from a basic LED TV

Pros

QD-Mini LED backlight gives deep blacks and bright highlights
120 Hz panel smooths sports and fast action
Anti-glare screen handles daytime light
Four HDMI ports for consoles, soundbar and streaming boxes
Google TV with Assistant and Siri support
Slim Designer Series build

Cons

Fewer dimming zones than TCL's flagship QM sets
Peak brightness trails top-tier Mini LED rivals
Google TV interface can feel busy
Built-in speakers are ordinary; a soundbar helps

TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch prices at every store

WalmartNew
In stock
$899.99Free shippingChecked 1 h ago
Visit Walmart
Best BuyNew
Availability unknown
$899.99Free shippingChecked 1 h ago
Visit Best Buy
PC Richard & SonNew
Out of stock
$897.99Checked 1 h ago
Visit PC Richard & Son

TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch price history

Lowest price we've seen: $897.99 on Nov 11 at PC Richard & Son. Tracked across 3 stores since Nov 11.

What reviewers say

Owners of TCL's Mini LED sets generally praise the contrast, color and 120 Hz motion for the money, and the anti-glare coating gets noticed in bright rooms. Complaints tend to center on the Google TV interface and modest built-in sound rather than the picture.

What people mention

Picture contrastPraisedOwners say the Mini LED backlight delivers deep blacks and bright highlights.
MotionPraisedThe 120 Hz panel is called smooth for sports and fast action.
Anti-glarePraisedViewers note the screen holds up in bright, window-lit rooms.
InterfaceCriticisedSome find Google TV busy and occasionally slow to navigate.
SoundCriticisedBuilt-in speakers are described as ordinary, with a soundbar recommended.
Dimming zonesMixedContrast is strong, but zone count trails TCL's flagship Mini LED sets.

About the TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch

The TCL A400U Designer Series is a 65-inch flat-screen 4K smart TV with a QD-Mini LED QLED display. It has a 3840 x 2160 resolution, HDR support and a 120 Hz refresh rate. The screen has an anti-glare finish, and the TV comes in black.

Connectivity includes Wi-Fi, Bluetooth, USB, HDMI and optical audio. There are 4 HDMI ports, and the TV supports CEC.

Screen size: 65 inches
Resolution: 3840 x 2160 (4K)
Display: QD-Mini LED QLED, flat screen
Refresh rate: 120 Hz
HDR: Yes
Assistants: Google Assistant, Siri
Connectivity: Bluetooth, Wi-Fi, USB, HDMI, optical audio
HDMI ports: 4
Dimensions: 57.2 in wide, 1.6 in deep

Specifications

Resolution: 3840 x 2160
CEC Enabled: Yes
High Definition: Yes
HDTV Format: 4K
Color: Black
Screen Form: Flat
Display Type: LED
Assistant Support

Questions and answers

Is the TCL A400U good for gaming?: Yes. The 120 Hz panel and four HDMI ports suit consoles, and motion is smooth. Check that your console's features match what the set supports before buying.
How does it compare with TCL's QM series?: The QM sets have more dimming zones and higher peak brightness. The A400U is slimmer and still gives strong contrast, so it is the value step below the flagship.
Does it support Google Assistant and Siri?: Yes. Google TV includes Google Assistant, and the set also lists Siri support for Apple users.
Is the screen good in a bright room?: The anti-glare coating and bright Mini LED backlight help in daylight. Very sunny rooms still benefit from curtains or blinds.
What is in the box?: The TV, a stand, a remote and power cable are standard. A wall mount and HDMI cables are usually sold separately.
Do I need a soundbar?: Built-in sound is average. A soundbar or AV receiver improves dialogue and bass noticeably.
Where is the TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch cheapest?: At Best Buy, for $899.99, as of our latest check.
Where can I buy the TCL A400U Designer Series QD-Mini LED QLED 4K Smart Google TV 65-inch?: 3 stores we checked sell it, including PC Richard & Son, Best Buy, Walmart.