The short version
Two full ovens and a steam cooking function at a price that undercuts most comparable double wall ovens. The Samsung NV51K6650DG makes a strong case for itself from the first time you load both cavities simultaneously. Roasting the main course in one while baking sides in the other, with both running at completely different temperatures, changes how you approach cooking for a group.
The steam cook function is the feature that sets this model apart from basic double oven competition. Steam keeps baked goods and proteins noticeably moister than dry heat alone. It is not a gimmick once you have used it for bread or chicken.
What you need to know about this oven
The NV51K6650DG has two separate oven cavities, each with its own controls and temperature settings. The upper and lower ovens are independent, which means you genuinely run them simultaneously at completely different temperatures without any compromise.
Total capacity across both cavities is listed as 10.2 cubic feet combined. Each cavity is approximately 5.1 cubic feet, which is large enough for a standard baking sheet or a good-sized roasting pan.
Wi-Fi connectivity through the SmartThings app allows remote preheating and monitoring. The fingerprint-resistant stainless steel finish holds up reasonably well in a busy kitchen, though no stainless is truly fingerprint-proof.
Key specifications
| Specification | Detail |
|---|---|
| Total Capacity | 10.2 cubic feet (5.1 cu ft per cavity) |
| Width | 30 inches |
| Fuel Type | Electric |
| Convection | Yes, both cavities |
| Steam Cook | Yes, steam injection |
| Smart Features | Wi-Fi, SmartThings app |
| Self Clean | Yes, both cavities |
| Finish | Fingerprint Resistant Stainless Steel |
Performance in real use
Convection performance in both cavities is consistent and reliable. Running both ovens simultaneously at different temperatures works exactly as advertised. The lower cavity tends to run about 8 degrees higher than the upper at equivalent settings, which is worth knowing for precise baking. A quick calibration adjustment handles it.
The steam function delivers a genuine difference in moisture retention. Bread baked with steam injection has noticeably better crust and internal texture. Chicken stays juicier than in a comparable non-steam oven. It takes a small amount of water added to the steam reservoir before cooking, which takes about 20 seconds to set up.
Preheat time for both cavities together is slower than a single oven, which is expected. Plan for about 20 minutes to get both to 375 degrees Fahrenheit.
Pros and cons
- Two fully independent ovens with separate controls
- Steam cook function makes a real difference in results
- Good value compared to competing double wall ovens
- Wi-Fi connectivity works reliably once set up
- Large 5.1 cubic foot capacity per cavity
- Lower cavity runs slightly hotter than upper at same setting
- Combined preheat takes longer than a single oven
- Fingerprint-resistant finish is better, not fingerprint-proof
- Installation requires a larger cutout than a single oven
How it scores
Our verdict
The strongest double wall oven at this price point
The Samsung NV51K6650DG earns its rating by delivering genuine double oven capability with a steam function that actually improves results, at a price that competes well against double ovens that offer less. It is not the cheapest double oven available, but it provides meaningfully more than the budget options in this category.
For anyone cooking regularly for a group or wanting maximum flexibility from their oven, this is an easy recommendation. The steam function is worth it on its own.
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