# Tuuphra upgrade (technology)

internal name `tuuphra-upgrade` · tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/tech/tuuphra-upgrade/

## Cost

600 units of (1 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 2 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 3 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 6 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 90 s each.

## Requires (2)

- [Phenol](https://factorio.kalzumeus.com/tech/phenol.md)
- [Tuuphras - Stage 2](https://factorio.kalzumeus.com/tech/tuuphra-mk02.md)

## Leads to (0)

- none

## Unlocks (0 recipes)

Other effects: nothing

None.