Ninja

Ninja Countertop Oven Double Stack XL Air Fryer with Pro Cook System 12-in-1 Flexdoor FlavorSeal SMART FINISH with

52+ bought in the past month

$299.99$449.99

About this item

  • SMART FINISH with DualZone Technology: Sync both independent ovens to cook 2 meals, 2 different ways that finish at the same time.
  • FLAVORSEAL TECHNOLOGY: Two separate ovens prevents smells from transferring between ovens, so your flavors stay totally separate.
  • FLEXDOOR: Creates two separate ovens. Access just the top for quick meals and snacks, or open the full door so you can cook 2 meals, 2 ways on the top and bottom.
  • PRO COOK SYSTEM: Achieve the perfect doneness from rare to well done at the touch of a button with the integrated Pro Cook System with Auto Temp Detect Intelligence —no guesswork required.
  • 12-IN-1 FUNCTIONALITY: Includes 12 versatile cooking programs: Bake, Broil, Reheat, Keep Warm, Toast, Bagel, Air Fry, Conv.Bake, Pizza, Air Roast, Whole Roast, and Dehydrate.
  • XL FAMILY-SIZED CAPACITY: Fits up to 6lbs of wings, 6 salmon filets, a 4.5-pound chicken, family size sheet pan meals, and up to 6 slices of bread.
  • QUICK FAMILY MEALS: Spend less time cooking and more time with your family. Eliminate back-to-back cooking by completing two meals in as little as 45 minutes.
  • WHAT'S INCLUDED: 2 sheet pans, 2 wire racks, 1 Air Fry Basket, 1 Crumb Tray, Pro Cook Thermometer, Quick Start and 15 Recipe Guide.
$299.99
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Product details

BrandNinja
ColorStainless Steel
Product Dimensions18.6"D x 16.39"W x 13.26"H
Capacity18.6 Cubic Inches
Special FeatureAdjustable Rack, Auto Cook Menu, Automatic Shut-Off, Large Capacity, Programmable

Technical specifications

brandNinja
colorStainless Steel
product_dimensions18.6"D x 16.39"W x 13.26"H
special_featureAdjustable Rack, Auto Cook Menu, Automatic Shut-Off, Large Capacity, Programmable
control_typeButton Control
door_styleFrench Door
included_componentsAir Fry Basket, Baking Pan, Crumb Tray, Pro Cook Thermometer, Wire Rack
model_nameNinja DCT651
door_material_typeStainless Steel
power_sourceAC adapter
number_of_shelves2
size18.6 in L x 16.39 in W x 13.26 in H
global_trade_identification_number10622356643808
upc622356643801
manufacturerSharkNinja
item_weight31.3 pounds
item_model_numberDCT651
best_sellers_rank#14,642 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #6 in Convection Ovens
date_first_availableSeptember 8, 2024

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Customer reviews

4.4379 ratings

Customers say

Customers find the countertop oven to be of good quality and appreciate its functionality, with one noting it handles everything with impressive results.

★★★★★

Beautiful design and great performance so far!

Daniela✨December 1, 2025

I recently purchased this Air Fryer and so far I’m really impressed. Physically, it looks beautiful — the stainless steel color is very sleek, the buttons feel high-quality, and the LED display is clean and easy to read. I also love the dual doors; they look modern and make the oven feel very premium. For my first test, I followed the instructions in the manual and then tried toasting some bread. In just about 3 and a half minutes, the toast came out perfectly — nicely browned and crispy on the outside while still soft on the inside. Of course, the result depends on the type of bread and personal preference, but I really liked how evenly it toasted. I plan to test it more during Christmas when I bake my cookies and will update my review then. But for now, the oven looks gorgeous and is performing really well. Read more

★★★★★

Best kitchen accessory EVER!

Robb A KriegJanuary 5, 2026

This is the most useful appliance in my kitchen! So easy to use and cooks perfectly! A great option for those cooking for 1-2 people at a time. Preheats fast and hold a good amount of food! Read more

★★★★★

Analysis Paralysis

CustomerJanuary 20, 2026

The media could not be loaded. Okay I did a lot of research on a new air fryer as our old ninja foodi air fryer/grill/bake died after 5 years of everyday use. I would say that we got our moneys worth on the last unit and I appreciate the shark/ninja brand as we own a ninja coffee bar and a shark robot vacuum. I have analysis paralysis as I research things to death. Let’s get right into it. I read that the oven handle was in the way of the oven opening and it almost swayed me from making a purchase as I wanted to keep it in the corner of our kitchen. The door opens fine with maybe loosing an inch of clearance but you are still able to open the door and get things from the bottom compartment perfectly fine. Next read reviews that the machine was way too loud. I’m guessing those people do not have two wild boys of 10 and 8 running around. The machine is perfectly fine. Yes it isn’t a Tesla but it is quiet compared to my old ninja foodi. I read reviews of the machine sliding across counters. I admit as soon as I opened it out of the box and put it on the counter it slid. I was like oh no. But after multiple uses it hasn’t slid once. It is sticking to the counter. I have a composite countertop so maybe it’s different than people with quartz. Next I read about the heat clearance from the machine to the cabinets. Valid concerns as I went and bought a cutting board made for the top. Not ninja brand just Amazon brand. Works great. Ran the machine for 30 minutes and the top of the cutting board was still cool to the touch. Having two compartments for cooking is a game changer for family cooking and prep. Again I see myself using this everyday for as long as it works, and so far it will improve my everyday life. Quicker meals, less clean up. Anyone who has a family and cooks a meal can understand how the kitchen can go from spotless to tore up with one meal. We are a family that cooks a lot. I also have a traeger smoker and am always running that but we are in Ohio and right now it is 0 degrees. I will grill in the winter but not when it gets this cold. Anyway great product so far and look forward to spending more time with the fam. I also bought the unit with the meat thermometer as my traeger has it and it’s a game changer. Only thing it doesn’t have is WiFi cooking like my traeger. Maybe on the next models. Anyway great product ninja! Read more

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★★★★☆

Great air fryer overall!

RachelDecember 23, 2025

We are on month 2 or 3 of this air fryer - we love all of our shark/ninja products and this one is no exception! It cooks food beautifully and has a ton of options. My favorite feature is how perfectly it toasts bread and bagels (seriously). My only complaint is that the air fry portion doesnt get the wetter food as crispy (for example marinated chicken thighs) as my last air fryer, but its not a huge deal. The instructions say to run it at 450 for however long, and the unit got HOT so I was about to return it, but after a few uses it doesn't get that hot anymore I believe it was just from the initial "clean" cycle. Read more

★★★★★

Best yet Countertop Oven and Air Fryer

SonaraAugust 5, 2025

We've had other countertop oven/air fryers and used them daily. This Ninja double oven is by far the best. Having two ovens in one is remarkably efficient and makes meal production faster and easier. You can do steak in one, fries in the other, or a meal for adults in one, and different items for the kids in the other, or an entree in one and a dessert in the other. This appliance is well built, well thought out, and the learning curve on the controls is short.... but it's there, especially regarding use of the thermometer. The internal food temperature thermometer is a big plus when you correctly use it. We are thrilled with this double oven and have fun using it every day. Only downsides are it's a bit noisy (a minor issue), a bit larger than traditional toaster ovens, and the large sheet pans and air fryer basket are supposed to be washed by hand, so cleanup is a bit of a chore. All in all, however, we would buy this again in a minute! Read more

★★★★★

Excellent product durability and quality..

TLSDecember 6, 2025

Family of 4 and this has been excellent for us. I’m totally happy with this. So far easy to clean. No issues whatsoever! Which is great to say! I’ve been impressed with Ninja products due to durability and quality and that’s what I think about this product as well. We’re actually using daily right now due to being in a extended stay hotel during house renovations and we needed something to cook on/with/ after research, bought due to being large and options are perfect. It’s been getting lots of use! No problems which is exactly why I bought this one! Read more

★★★★★

Two-in-one appliance performs well

PamelaNovember 19, 2025

I love the feature of the double oven and am glad I purchased this item. The air fryer portion cooks faster than our regular air fryer and made nice, crispy food. We eliminated our air fryer so it is a space saver and good value having two appliances in one. Instructions were clear and the oven is easy to operate. Read more

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