Appliances Memorial Day SaleFree delivery. Ends 6/3. Terms apply.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

  • Front. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Angle. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Left. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Back. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Remote Control. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Alt View 1. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Alt View 3. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Alt View 11. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Alt View 12. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Alt View 13. Insignia™ - 40" Class N10 Series LED Full HD TV - Black.
  • Buying Guide: Home Theater Overview video 2 minutes 32 seconds
  • Keep Your New TV Damage-Free video 0 minutes 47 seconds
  • Amazon - Fire TV Experience video 0 minutes 30 seconds
  • Safely Unbox Your Insignia TV video 2 minutes 22 seconds
  • Insignia - A Best Buy Brand video 0 minutes 22 seconds
  • Insignia - 40 Class N10 Series LED Full HD TV Features video 1 minutes 30 seconds

Insignia™ - 40" Class N10 Series LED Full HD TV

Model:
NS-40D510NA21
SKU:
6398122
Highly rated by customers for:
Loading...

Customer reviews

Rating 4.6 out of 5 stars with 5877 reviews

Rating Filter

Rating by feature

  • Picture Quality

    Rating 4.6 out of 5 stars

  • Sound Quality

    Rating 4.4 out of 5 stars

  • Brightness

    Rating 4.6 out of 5 stars

Pros mentioned filter

Cons mentioned filter

94%would recommend to a friend

Customers are saying

Customers are enthusiastic about the 40" Class N10 Series LED Full HD TV's picture quality, affordability, and ease of use. Many also appreciate its size and lightweight design, making it easy to set up and move. While some users experienced issues with the volume, remote control, smart features, and stand, the overwhelmingly positive feedback points to a generally well-received product. The vibrant colors also received praise.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 176 Showing 3,501-3,520 of 5,877 reviews
  • Pros mentioned:
    Picture quality

    Deb’s TV

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love my new tv…perfect size for my room & very clear picture.

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Nice picture, Great price

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice picture for the price. Made my dads day to get this new TV.

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    PC Monitor

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Purchased as a large pc monitor for multi monitor setup. Works perfect.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Value TV

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good basic television for the price. Easy to set up

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Tv

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Perfect for our camwra.outside great for the 16 different views.

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Good television for the price..

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good television for the price, good size for bedroom. Nice picture , had to work to get picture right. Pleased..

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Very pleased

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am very pleased with this television. It is a bargain for the price

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Tv

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good tv for the price good picture good sound perfect size

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Super Easy for the simple things

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    works excellent for my sons xbox gaming Easy to setup no smart TV stuff

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Nice picture looks great

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Really great tv, nice picture and mounted very easily. Recommend it

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Great tv

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent tv for the price great customer service perfect purchase

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Good unit

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Looks good, easy set up, running as a screen on a computer

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Awesome

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome tv very nice and clear picture good value for the price

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Great quality

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It’s great quality for a low price colors are popping great for videogames

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Great TV for the price.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Resolution great. Perfect size for the tv cabinet.

    I would recommend this to a friend
  • Pros mentioned:
    Price

    Great tv

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works great price was good. Highly recommend this tv

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Great Product choice

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    TV has a great picture. I made a good decision to purchase this TV.

    I would recommend this to a friend

  • Great price and very light weight

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This was a sale price TV great for the money and a very light weight TV

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Insignia 40" TV

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good quality for the money. Working good with good picture and sound.

    I would recommend this to a friend
  • Pros mentioned:
    Picture quality

    Nice buy

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great tv set, clear pictures, and I love the remote

    I would recommend this to a friend
Page 176, Showing 3,501-3,520 of 5,877 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.