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Samsung UN40JU6400 40-Inch 4K Ultra HD Smart LED TV (2015 Model)

4.3 out of 5 stars 394 customer reviews

Available from these sellers.
40-inch Size Chart

Want this professionally installed?

What's included See more details
  • Installation of 1 customer-supplied TV mounting bracket
  • Securing the TV and load testing the hardware
  • Cord concealment within provider-supplied cover
  • TV cannot be mounted above a fireplace
  • TV mounting is for drywall only
  • Mounting brackets requiring assembly by the pro may result in a revised estimate
How it works
  • Pro will contact you within 1 business day to schedule
  • Kick back and only pay when the job is done
  • Backed by Amazon's Happiness Guarantee
  • Book the service directly on Amazon
  • Receive confirmation within 1 business day
  • Backed by Amazon's Happiness Guarantee
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Estimate: $135.29
88% positive ratings (80 reviews)
  • Refresh Rate: 120CMR (Effective)
  • Backlight: LED
  • Smart Functionality: Yes, Built in Wi-Fi: Yes
  • Dimensions (W x H x D): TV without stand: 36.1" x 21.1" x 7.7", TV with stand: 36.1" x 23.3" x 7.7"
  • Inputs: 3 HDMI, 2 USB
2 refurbished from $399.99
This item’s packaging may indicate what is inside and cannot be hidden.

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Special offers and product promotions

Size: 40-inch
  • Free 60-Day Tech Support: This item is eligible for FREE Tech Support for 60 days from the date of delivery. Over the phone, our trained technicians can help you set up, configure, connect, and troubleshoot so you can start enjoying your new purchase. Owners of qualifying products can reach Tech Support by selecting your product on the Contact Us page. Learn more


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From the manufacturer

JU7500 JU7100 JU6700 JU6500 JU6400
Screen Size Offerings 78-inch, 65-inch, 55-inch, 50-inch, 48-inch, 40-inch 85-inch, 75-inch, 65-inch, 60-inch, 55-inch, 50-inch, 40-inch 65-inch, 55-inch, 48-inch, 40-inch 75-inch, 65-inch, 60-inch, 55-inch, 50-inch, 48-inch, 40-inch 65-inch, 55-inch, 48-inch, 40-inch
Curve/Flat Curve Flat Curve Flat Flat
Motion Rate Motion Rate 240 Motion Rate 240 Motion Rate 120 Motion Rate 120 Motion Rate 120
Brightening and Color Technology Peak Illuminator and PurColor Peak Illuminator and PurColor PurColor PurColor PurColor
Dimming Technology Precision Black Local Dimming Precision Black Local Dimming UHD Dimming UHD Dimming UHD Dimming
Color Depth Enhancement Auto Depth Enhancer Contrast Enhancer Auto Depth Enhancer Contrast Enhancer Contrast Enhancer
Other Key Features Built-in WiFi 802.11ac, 4 HDMI ports Built-in WiFi 802.11ac, 4 HDMI ports Built-in WiFi 802.11ac, 4 HDMI ports Built-in WiFi 802.11ac, 4 HDMI ports Built-in WiFi 802.11n, 3 HDMI ports
Meets CEA 4K UHD Connected and HDR Compatibility Definitions
Compatible with Next-Gen UHD Blu-Ray HDR

Compare to similar items


This item Samsung UN40JU6400 40-Inch 4K Ultra HD Smart LED TV (2015 Model)
Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (394) 4 out of 5 stars (473) 4 out of 5 stars (125) 4 out of 5 stars (47) 4 out of 5 stars (774) 4 out of 5 stars (759)
Price Unavailable Add to cart to see price. Why? Add to cart to see price. Why? $397.99 $349.99 Add to cart to see price. Why?
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Video & Audio Center
Connectivity Technology Built-in Wi-Fi Built-in Wi-Fi Built-in Wi-Fi Built-in Wi-Fi Built-in Wi-Fi USB
Screen Size 40 in 40 in 40 in 40 in 43 in 40 in
Display Technology LED LED LED LED LED
Display Type LED LED LED LED LED LED
Item Dimensions 7.7 x 36.1 x 23.3 in 11.3 x 36.1 x 23.5 in 12 x 35.6 x 22.6 in 13.3 x 36.3 x 23.4 in 7.5 x 38.3 x 24.4 in 9 x 36.1 x 23.3 in
Item Weight 18.7 lbs 19.2 lbs 23.1 lbs 19 lbs 16.8 lbs 16.8 lbs
Model Year 2015 2017 2017 2017 2017 2014
Refresh Rate 120 Hz 120 hertz 120 hertz 60 hertz 120 hertz 60 Hz
Resolution 4K 4K 4K 1080p 4K 1080p
Size 40-inch 40-Inch 40-Inch 40-Inch 43-Inch
Total HDMI Ports 3 3 3 2 3 2

Product description

Size:40-inch

Product Description

With 4K UHD resolution you’ll enjoy a picture with 4X the detail of Full HD. Enjoy incredible shades of color, as nature intended, with technology that accurately blends primary and secondary colors for spectacular picture performance. Watch and play your way with the advanced Samsung Smart TV platform that lets you quickly and easily access your favorite content.

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Product information

Size:40-inch

Technical Details

Additional Information

Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF ]

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Customer reviews

Top customer reviews

on December 2, 2015
Size: 48-inch
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1212 comments| 218 people found this helpful. Was this review helpful to you?YesNoReport abuse
on October 19, 2016
Size: 48-inch|Verified Purchase
0Comment| 5 people found this helpful. Was this review helpful to you?YesNoReport abuse
on April 18, 2016
Size: 48-inch|Verified Purchase
0Comment| 3 people found this helpful. Was this review helpful to you?YesNoReport abuse
on April 10, 2017
Size: 40-inch|Verified Purchase
0Comment| 2 people found this helpful. Was this review helpful to you?YesNoReport abuse
on April 23, 2016
Size: 48-inch|Verified Purchase
0Comment| 7 people found this helpful. Was this review helpful to you?YesNoReport abuse
on March 14, 2017
Size: 48-inch|Verified Purchase
0Comment| One person found this helpful. Was this review helpful to you?YesNoReport abuse
on September 8, 2017
Size: 48-inch|Verified Purchase
0Comment|Was this review helpful to you?YesNoReport abuse

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