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Description
Samsung QN90D QN75QN90DAF 74.5" Smart LED-LCD TV 2024 - 4K UHDTV - High Dynamic Range (HDR) - Graphite BlackDiscover the 2024 Samsung QN90D QN75QN90DAF 74. 5" Smart LED LCD TV, a pinnacle of brightness, contrast, and intelligent picture processing. This 4K UHDTV blends Quantum Matrix with Mini LED technology to deliver precise local dimming, extraordinary highlight details, and deep blacks across a wide viewing area. Built to handle fast moving scenesfrom high octane sports to immersive blockbuster sequencesthis TV pairs razor sharp resolution with smooth
Discover the 2024 Samsung QN90D QN75QN90DAF 74.5" Smart LED-LCD TV, a pinnacle of brightness, contrast, and intelligent picture processing. This 4K UHDTV blends Quantum Matrix with Mini LED technology to deliver precise local dimming, extraordinary highlight details, and deep blacks across a wide viewing area. Built to handle fast-moving scenes—from high-octane sports to immersive blockbuster sequences—this TV pairs razor-sharp resolution with smooth motion and a stylish Graphite Black design that fits seamlessly into any living space. With an intelligent upscaling engine, anti-reflective panel, and a robust smart platform, the QN90D is engineered to elevate every viewing moment, whether you’re streaming, gaming, or watching on broadcast TV.
- Stellar picture quality with Quantum Matrix and Mini LED — This 74.5" 4K UHD display uses a precision array of Mini LEDs and a sophisticated local-dimming system to deliver deep blacks and bright highlights where they matter most. The result is outstanding contrast and a more nuanced picture across the entire screen, even in well-lit rooms.
- Powerful HDR performance — Support for HDR10, HDR10+, and HLG ensures a broad color gamut and brighter, more lifelike HDR content. Scenes transition with cinematic depth, shadows reveal detail, and skin tones remain natural, making everything from dramatic dramas to animated features feel more immersive.
- Ultra-smooth motion and responsive gaming — With a native refresh rate up to 120Hz and advanced motion processing, fast action stays clear and tear-free. Combined with features like Auto Low Latency Mode and game-friendly inputs, this TV is well-suited for console and PC gaming as well as sports broadcasting and fast-paced action films.
- Smart TV experience with broad app support — The built-in Samsung Tizen OS delivers a rich app ecosystem, easy streaming access, voice control, and seamless integration with other smart devices. Enjoy apps, streaming services, screen mirroring, and content casting, all from a single, intuitive interface.
- Elegant design and practical viewing features — Graphite Black styling with slim bezels, thoughtful cable management, and anti-reflection coating minimize distractions. The broad viewing angles ensure consistent picture quality for everyone in the room, while the refined finish complements modern home decor.
Technical Details of Samsung QN90D QN75QN90DAF 74.5" Smart LED-LCD TV
- Screen size: 74.5 inches
- Resolution: 4K Ultra HD (3840 x 2160)
- Display technology: LED-LCD with Quantum Matrix Mini LED backlighting
- HDR formats: HDR10, HDR10+, HLG
- Smart TV platform: Samsung Tizen OS with integrated apps and voice control
- Refresh rate: Up to 120Hz for smooth motion
- Design: Graphite Black bezel with anti-reflective panel and refined stand
how to install Samsung QN90D QN75QN90DAF
- Unpack the TV and choose your setup: attach the provided stand for tabletop placement or prepare a compatible wall mounting system.
- Secure the TV in its chosen location on a stable surface or wall mount, ensuring the mounting hardware matches the VESA pattern and weight rating.
- Connect power and any external devices, such as a sound bar, gaming console, or streaming devices, using appropriate HDMI cables and audio connections.
- Power on the TV and follow the on-screen setup to connect to Wi-Fi, sign into your Samsung account, and download any available firmware updates.
- Calibrate picture and sound to your room: adjust contrast, brightness, and color settings; enable game mode if gaming; configure any accessibility or accessibility features as desired.
Frequently asked questions
- Q: Does the Samsung QN90D QN75QN90DAF support Dolby Vision? A: Dolby Vision is not supported on this model. It supports HDR10, HDR10+, and HLG for enhanced HDR content.
- Q: What is the screen size and resolution? A: The TV features a 74.5-inch screen size with 4K Ultra HD resolution (3840 x 2160).
- Q: Is this TV good for gaming? A: Yes. It delivers a fast 120Hz refresh rate with responsive motion processing and gaming-friendly features that help minimize input lag for compatible consoles and PCs.
- Q: Does it have built-in Wi-Fi? A: Yes, it includes built-in Wi-Fi and Bluetooth for streaming, app access, and wireless peripherals.
- Q: What operating system does it use? A: It runs Samsung's Tizen OS, offering a wide app catalog, easy navigation, and voice control options.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Has upped our coffee game :)
Color: Sliver, Color: Sliver
EDIT: Well, 2 months later, this is still performing okay, however some of the needles have gotten slightly bent, causing it to seem loose and wobbly as they rotate within their opening. . Not a great aspect of this design. If you loosen the head straighten any bent needles, it does help a little bit.
So far so good. It’s made a little difference in our coffee. We buy espresso beans and so we really pay attention to the way the espresso acts from cup to cup. We notice that after using this tool our coffee is a little sweeter, probably because the way the grounds are so evenly distributed and the little channels that the wires create. Easy to use, store, and keep clean. And it’s cute on the counter!
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Big Improvement in Espresso Consistency
Color: Black
This WDT tool made a noticeable difference in the quality of my espresso shots. The needles are thin enough to break up clumps and create a very even coffee bed, and the distribution feels smooth and controlled. Build quality is solid, the handle feels comfortable, and it’s easy to clean. I’ve gotten more consistent extractions and better flavor since using it. For anyone looking to upgrade their espresso workflow, this is a simple but very effective tool. Definitely worth it.
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Impressed
Color: Black
I rarely give 5 star reviews. This product deserves it. A lot of thought has gone into the design.
First, the material of it is quite good, metal. It has a contoured and knurled top for ease of use and good grip without being "grippy". The recepticle has little brushes inside which I think is unique to this product. Will those brushes created a problem in the future? I don't know. But there must be a way to clean out the coffee dust at some point. An air blower?
Until now I had been using a home-made WDT with acupuncuture needles drilled into a cork. When I used the Nessus WTD I could immediately feel a difference as I stirred the grounds. While I have only made two double-shots so far, there was noticeably less channeling that I had before (I use a bottomless portafilter exclusively). Actually I had no channeling, but initially two streams that mergedi into one in about 3 seconds, so pretty good compared to what I had before.
Nothing much more to say except the price was quite good compared to other WDT's. Even though I haven't used this product more than a few times, I can, at least at first blush, recommend it.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Works well out of the box, and better with a tweak.
Color: Black, Color: Black
This is a solid, well-made WDT tool that does exactly what it’s supposed to do — and gives you room to fine-tune it to your preference.
The build quality feels good in the hand, and it works well right out of the box. A big plus is that it comes with extra needles, which makes it easy to change out bend needles or customize. I found that removing some of the needles actually improved usability for me. With all nine installed, it tended to push grounds around too aggressively.
I’m currently running just 3 needles, and that setup works much better for gently breaking up clumps and distributing grounds without pushing or spilling coffee over the basket. Once dialed in, it’s been very effective and consistent.
Overall, this is a great tool from TIVERAIN. If you like dialing in your workflow and want control over how aggressive your WDT is, this one is a great option.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
Works like it should, easier to use if you keep the dosing funnel on the basket
Color: Black, Color: Black
With a weighted top and storage base, this is sturdy metal with what appear to be standard acupuncture needles. It comes with a set of spare needles in a plastic tube.
I find it much easier to use if I keep my dosing funnel on the basket, followed by a quick clearing of the funnel using a weighted espresso distribution tool with the maximum extension before popping off the funnel for my final tamp. See photo.
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Reviewed in the United States on March 11, 2026