Verdict: The copper Speedi package follows the European ON400EU manual family. Check included tray and retailer extras rather than treating the colour suffix as an additional cooking mode.
Regional model: Ninja ON400EUCP · EU. This is a European/UK model code. A US listing with a similar family name is a separate appliance; check the full code, plug, electrical label and local support.
| Decision point | Published model information |
|---|---|
| Exact model | ON400EUCP |
| Market | EU |
| Cooking layout | Speedi steam and crisp |
| Capacity and vessel | 5.7-L pot with adjustable tray |
| Power | See rating label |
| Controls / programmes | ON400EU-family ten-function package |
Plan the complete meal, not just the timer
Speedi’s adjustable tray supports a moist base such as grains below a crisp upper component. Choose ingredients and quantities from a matching meal guide so the two levels suit the same cooking process. Steam build-up and preparation can add time to an advertised cooking period. This architecture does not offer pressure cooking.
Who should choose it, and who should compare another type?
The copper Speedi package follows the European ON400EU manual family. Check included tray and retailer extras rather than treating the colour suffix as an additional cooking mode.
Planned complete meals: select matching base/upper ingredients and account for steam build-up. The linked comparison below explains the closest alternatives; we do not assign an invented cooking score or claim this model beats another in tests we have not performed.
Cleaning, materials and long-term ownership
Check the cleaning instructions for each supplied vessel, rack, plate, probe and lid. Cool the removable parts before washing, use non-abrasive tools and keep the powered body out of water. A dishwasher-safe removable part does not make the heating unit or probe assembly dishwasher safe.
Coating and materials descriptions can change between components and production versions. We do not extend a current ceramic or PFAS-free statement to every historical Ninja appliance. For a used unit, inspect the cooking surfaces and use the exact model’s replacement-part list.
Questions before ordering
Does the steam mode pressure-cook food?
No. Speedi’s rapid-cooking/steam architecture is different from a sealed pressure cooker. Do not transfer pressure-cooker recipes, timings or lid assumptions.
What should I confirm on the listing?
The full ON400EUCP code, region and voltage, new or refurbished condition, supplied cooking parts, and the seller’s warranty and returns. Product photography and a familiar family name alone cannot establish electrical or spare-part compatibility.
Choose by your kitchen and meals
Ninja Air Fryers: Model Reviews and Buying Guide · Ninja Air Fryers by Household: Portions, Meals and Timing · Ninja Air Fryer Size Guide: Baskets, Pots and Counter Space · Ninja Air Fryer Types: Drawers, Glass, Grills and Multicookers · Ninja Buying Priorities: Cleaning, Controls, Materials and Value.
For the closest buying trade-off, read Ninja Speedi ON400EU vs Combi SFP700EU: European Meal Cookers.
Sources and review method
Clara Bennett checked the regional model information on October 24, 2026. This is a specification-led assessment; we have not bought or bench-tested these appliances. Meal-fit suggestions are editorial judgments, not measured serving or cooking-speed guarantees. Manufacturer performance and materials claims apply only to their stated model, components and test conditions. Prices, condition, accessories and warranty terms can change.

2 thoughts on “Ninja ON400EUCP Review: Steam & Air Fryer Guide”