Customer Media
Highlights
| Integrated Pro Cook System | Achieve the perfect level of doneness from rare to well-done at the touch of a button using the integrated thermometer and Auto Temp Detect Intelligence, eliminating the need for guesswork. |
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| Smart Surround Convection | Features a high-velocity fan and rear heat source that provides up to 10x the convection power of a traditional built-in oven, delivering an all-around crisp without the need to flip or rotate food. |
| 10-in-1 Versatile Functionality | A multi-purpose kitchen powerhouse with 10 specialized cooking programs: Air Fry, Whole Roast, Air Roast, Bake, Dehydrate, Pizza, Broil, Toast, Bagel, and Reheat. |
| XL Family-Sized Capacity | The extra-large interior accommodates two 9×9 baking trays, a 12 lb. turkey, or up to 9 slices of toast simultaneously, making it ideal for large family meals and entertaining. |
| Rapid Preheat and Cooking | Saves time in the kitchen with a lightning-fast 90-second oven preheat and cooking speeds up to 30% faster than a standard full-size convection oven. |
Pros & Cons
Pros
- Exceptional Versatility and Performance: The 10-in-1 functionality allows users to air fry, bake, roast, and dehydrate with consistent results, often making traditional ovens obsolete. It features a large interior capacity that can accommodate whole chickens, 13-inch pizzas, or multiple trays of food simultaneously.
- Rapid Preheat and Cooking Speed: The unit features an incredibly fast preheat time of approximately 90 seconds, which is significantly faster than standard full-sized ovens. This efficiency allows users to start cooking almost immediately and reduces overall meal preparation time.
- Integrated Smart Thermometer: The Pro Cook System includes a built-in thermometer probe that monitors internal food temperature and automatically shuts off the unit when the target doneness is reached. This feature eliminates guesswork and ensures meats are cooked perfectly and remain juicy.
Cons
- High Noise and Vibration Levels: A frequent complaint is the excessive noise generated by the convection fan, which some users compare to a jet engine or an airplane. Additionally, several reviewers reported distracting metallic rattling or vibrations during operation.
- Large Countertop Footprint: The unit is quite bulky and deep, requiring substantial counter space and clearance from walls due to its rear-venting design. Its size may be problematic for smaller kitchens or standard-depth countertops.
- Challenging to Clean: Maintaining the interior is difficult because grease and food splatters can easily reach the exposed heating elements and the back fan. Users noted that baked-on residue is hard to remove and the crumb tray can be tricky to empty without spilling.
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Customer Reviews
Showing reviews 1-10 of 363
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Love the Ninja!
Verified purchase Verified purchase: This reviewer bought the product.GraceP January 17, 2026Review source: BestbuyMy built in oven was not doing the job after so many years and needed a quick replacement. I did a little research and decided to go with the Ninja. I love it so much that I hardly use my old oven. The food gets cooked in half the time and it tastes delicious.
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Very very good
Verified purchase Verified purchase: This reviewer bought the product.StefanG January 14, 2026Review source: BestbuyThis air fryer has replaced our oven in the apartment. It’s faster, more energy efficient and can cook foods on two different level simultaneously.
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Great product
Verified purchase Verified purchase: This reviewer bought the product.Stefan January 14, 2026Review source: BestbuyGreat airfrier, it helped me a lot with my cooking needs. Its easy to use and makes good meals for my family
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This thing makes your oven obsolete
Verified purchase Verified purchase: This reviewer bought the product.AE January 14, 2026Review source: AmazonThis thing is awesome. We haven’t tried all the features yet, but everything we’ve used has been great. The air fryer works really well, and both the toasting and baking functions have been solid. It preheats in about a minute or two, and it comes with a ton of trays, which is a nice bonus.
I even used it to bake Santa’s cookies this year instead of the full oven, and it was faster thanks to the multiple trays. My only concern is that the bottom heating elements aren’t protected, so I’m always a little worried about damaging them. Other than that, it’s been a fantastic upgrade to our kitchen. -
Ninja DT551
Verified purchase Verified purchase: This reviewer bought the product.noname January 11, 2026Review source: BestbuyInstructions and recipe booklet leave a lot to be desired. Could be more informative.
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Love it!
Verified purchase Verified purchase: This reviewer bought the product.PaulS January 10, 2026Review source: BestbuyI just cook for myself and this is perfect, I’ll never have to use my big oven again. So far i love how it cooks and all the features!
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COUNTERTOP OVEN
Verified purchase Verified purchase: This reviewer bought the product.LindaH January 10, 2026Review source: BestbuyIt’s just the perfect size and works great. Sales person was wonderful to work with!
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Less and Yet So Much More!
Verified purchase Verified purchase: This reviewer bought the product.DCrew January 9, 2026Review source: BestbuyWe have really enjoyed our new Ninja oven! It allowed us to free up space by reducing the number of appliances on the kitchen counter from 2 (air fryer and toaster oven) to 1. And this thing does so much more! The controls are clear and easy to operate. We love the front glass so we can see what’s going on inside, and the size is perfect beneath our cabinets. The Ninja Prestige Smart XL was a great purchase for the family!
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I love this thing!
Verified purchase Verified purchase: This reviewer bought the product.Leviathan January 9, 2026Review source: BestbuyGame changer. Best Buy made the purchase of this Air Fryer super easy, made it to the store and the line was kind of long but a quick in and out actually. As for the air fryer, I’m learning to use this more and more and have made toast, bagels, chicken, thick steaks, air fried frozen tenders, fish fillets and the food is just not as try, tender, and the use of the thermometer is exceptionally easy to use. This is one of those purchase that I’ll continue to grow with and appreciate more and more!
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Ninja Countertop Oven
Verified purchase Verified purchase: This reviewer bought the product.SuperFast January 9, 2026Review source: BestbuyMy wife does a whole lotta cookin’ and this oven is great for those smaller, extra dishes. We’re hoping to learn to use and try all of it’s features. The controls were very easy to use. The low warming temps are a great plus. Comes with a nice array of racks and pans, roasting and dehydrading rack. We’re loving it. We like the Ninja brand.