Schematic Category
Mark IV Reactor Upgrade

This category is a subcategory of Mark V Reactor Upgrade

These categories are subcategories of this category:

Mark III Reactor Upgrade

The following schematics belong to either the Mark IV Reactor Upgrade category or a descendant of the Mark IV Reactor Upgrade category and can thus be used in a slot that requires an item of the Mark IV Reactor Upgrade category:

Core Systems I: Basic Systems
- Reactor Limiter - Mark I
- Reactor Overcharger - Mark I

Core Systems II: Intermediate Ship Devices
- Reactor Limiter - Mark II
- Reactor Overcharger - Mark II

Core Systems III: Heavy Internal Systems
- Reactor Limiter - Mark III
- Reactor Overcharger - Mark III

Core Systems IV: Advanced Assembly
- Reactor Limiter - Mark IV
- Reactor Overcharger - Mark IV