Year-End SaleEnds 1/1/26. Limited quantities. No rainchecks.

Skip to content
Main Content

Customer Ratings & Reviews

Model:
NS-40D510NA21
SKU:
6398122
Your price for this item is $34.99
Clearance
The comparable value price is $139.99

Customer reviews

Rating 4.6 out of 5 stars with 5869 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 97 Showing 1,921-1,940 of 5,869 reviews
  • Rated 4 out of 5 stars

    Nice one

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

    This is really really really nice. Good picture quality

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

    Rated 4 out of 5 stars

    Nice picture

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

    Good TV but you need a Roku or fire stick if you don’t have cable.

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

    Rated 5 out of 5 stars

    Perfect

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

    Awesome color n size for my new apartment at Air Force Village east. Have mounted on wall with all angles mount.

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

    Rated 5 out of 5 stars

    Perfect utility TV

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

    Crystal clear picture! Perfect for my kitchen/dining room set up!

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

    Rated 5 out of 5 stars

    Good

    |
    |
    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good quality product for the price. Work worldwide

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

    Rated 5 out of 5 stars

    simple needs

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

    a great TV for a smaller space. simple and looks great

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

    Rated 5 out of 5 stars

    fairly decent

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

    using as playfield in virtual pinball machine. looks good

    I would recommend this to a friend
  • Pros mentioned:
    Tv size

    Rated 5 out of 5 stars

    Ralph

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

    Great TV for the value. Remember to purchase a streaming device

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

    Rated 5 out of 5 stars

    Insignia 40 inch HD TV

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

    The picture is clear and has vivid color. The sound quality is very good.

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

    Rated 5 out of 5 stars

    Nice

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

    Nice for a tv that is inexpensive not great for computer monitors

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

    Rated 5 out of 5 stars

    Great TV***

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

    Works perfect!!! I love it*** Roku TV stopped working and I was very frustrated. I just had to plug this one in and programmed itself.

    I would recommend this to a friend
  • Pros mentioned:
    Tv size

    Rated 5 out of 5 stars

    INSIGNIA 40"

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

    It's a great tv at great price. Nice size- great as computer monitor.

    I would recommend this to a friend
  • Pros mentioned:
    Tv size

    Rated 4 out of 5 stars

    Replacement for a dead one

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

    Needed a replacement for our dining room. Little bigger than last but usable.

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

    Rated 5 out of 5 stars

    Tv

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

    Great tv bought for my daughter she loves it easy to set up!

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

    Rated 5 out of 5 stars

    Great TV!

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

    I have a 32” insignia in my home office and have been very satisfied. We needed a tv for the bedroom in our lake house so I bought this 40”. It is fantastic! Love it with a fire-stick!

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

    Rated 5 out of 5 stars

    CMM Programmer

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

    Perfect size for the bedroom, we sometimes want to watch different show/stations, and this gives us a second option.

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

    Rated 5 out of 5 stars

    It is a Great TV!

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

    I purchased two of these Westinghouse TV's and they. Were just what I needed for my elderly parents! They love them! Easy to operate the picture is sharp with beautiful color and great sound!!

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

    Rated 5 out of 5 stars

    Great

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

    Great TV for the price! Great picture and surprisingly great sound!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Laura

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

    I am very happy with my purchase! happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy happy

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

    Rated 5 out of 5 stars

    New tv

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

    I like this tv. Petfect for a room. Nice view. Not blurry.

    I would recommend this to a friend