The Orokin Reactor is an item used to supercharge Warframes, Archwings and Companions, doubling their mod capacity.
Acquisition
Orokin Reactors can either be bought for 
20 or assembled in the Foundry after finding its blueprint. These blueprints can be obtained in one of three ways:
- From Alerts. (An alert mission following Digital Extremes's Prime Times and Devstreams will give a Reactor or Catalyst)
- From third tier login reward
- From Invasion missions
The blueprint is consumed once the Reactor is built. To build another Orokin Reactor the player must obtain another blueprint.
| Manufacturing Requirements | |||||
|---|---|---|---|---|---|
 35,000 |
 1 |
 1 |
 1 |
 1 |
Time: 24 hrs |
Rush:  10
| |||||
 Market Price: 20
|
 Blueprints Price: N/A
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Applying Orokin Reactor to Warframes or Companions
How to apply an Orokin Reactor (leftmost button)
To apply an Orokin Reactor after obtaining it, click Equip and select the desired Warframe, Archwing, or Companion you wish to upgrade. Select Upgrade and click Actions at the bottom right. Click UPGRADE on the menu that opens.
How it works
An applied Orokin Reactor will double the mod capacity of a Warframe Archwing or Companion. This increases the total power that can be consumed by mods, but not the number of mod slots. A rank 1 Warframe with a Reactor installed will have a capacity of 2, which will increase to 60 at rank 30. Unlike Formas, Reactors can only be applied to a Warframe, Archwing, or Companion once.
An Orokin reactor can be installed at any time. The capacity of the Warframe, Archwing, or Companion it is applied to will always be double that of its rank.
Notes
- Orokin Reactors are often referred to by players as 'golden potatoes' (as opposed to Orokin Catalysts, called 'blue potatoes'), or in some cases, simply 'potatoes.' This may have originated from the devs, who have occasionally referred to them as potatoes.
- The Potato T-shirt available in the official Warframe merchandise store is a reference to this.
- Warframes and Companions purchased with Platinum come with Orokin Reactors pre-installed.
- Every Warframe's maximum Mod Capacity is 78, this can be achieved by adding an Orokin Reactor to the frame and placing certain maxed Aura mods in the Aura Slot with a matching Polarity. (30 [Basic] * 2 [Orokin Reactor] + 9 [Max Rank Steel Charge Aura] * 2 [Matching Polarity] = 78)
- With matching polarities for every mod (by expending Forma), the maximum mod capacity ranges from a minimum 138 to a maximum 148 (due to rounding of energy costs). As of Update 14, either value cannot be exceeded.
- Once used on a Warframe, Archwing, or Companion, an Orokin Reactor cannot be taken back off to be used elsewhere. This also applies to the
Orokin Catalyst.
