# Efficiency module (technology)

internal name `efficiency-module-3` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md)) · upgrade
HTML page: https://factorio.kalzumeus.com/tech/efficiency-module-3/

## Cost

3300 units of (1 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 2 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 3 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 6 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 10 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 20 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 30 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 6 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 300 s each.

## Requires (2)

- [Efficiency module](https://factorio.kalzumeus.com/tech/efficiency-module-2.md)
- [Machine Components - Stage 4](https://factorio.kalzumeus.com/tech/machine-components-mk04.md)

## Leads to (1)

- [Portable fusion reactor](https://factorio.kalzumeus.com/tech/fission-reactor-equipment.md)

## Unlocks (1 recipes)

### Efficiency module 3 (`efficiency-module-3`)

- 60 s · tier 7
- Ingredients: 1 × [Efficiency module 2](https://factorio.kalzumeus.com/item/efficiency-module-2.md), 1 × [Utility Box MK04](https://factorio.kalzumeus.com/item/utility-box-mk04.md), 1 × [Control Panel MK04](https://factorio.kalzumeus.com/item/controler-mk04.md), 2 × [Electronics MK04](https://factorio.kalzumeus.com/item/electronics-mk04.md), 1 × [Fire Extinguisher System](https://factorio.kalzumeus.com/item/fes.md)
- Results: 1 × [Efficiency module 3](https://factorio.kalzumeus.com/item/efficiency-module-3.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Efficiency module](https://factorio.kalzumeus.com/tech/efficiency-module-3.md)