How to Get Parallel Processing Unit in Subnautica: Below Zero
Parallel Processing Unit unlocks by scanning 3 fragments, 2 s per scan. The files place 6 fragment pins for it.
Data: Subnautica: Below Zero game files (build of 12 Aug 2025), read and drawn by PinDrop. (c) Unknown Worlds Entertainment. PinDrop is fan-made and not affiliated with Unknown Worlds Entertainment.
How to unlock Parallel Processing Unit
Scan fragments
- Pieces needed
- 3
- Scan time
- 2 s
- Fixed pins
- 6
The fragment is called "Parallel Processing Unit Fragment" in the game.
The game files read for this page do not say whether you start with this blueprint.
Where the pins are
Depth in metres: negative is below sea level, positive above.
| Pin | Area | Depth (m) | Position | Map |
|---|---|---|---|---|
| Fragment | Purple Vents | -86 | x 61, z -863 | Show on map |
| Fragment | Purple Vents | -96 | x 75, z -857 | Show on map |
| Fragment | Lily Pads | -240 | x 281, z -1293 | Show on map |
| Fragment | Lily Pads | -241 | x 278, z -1272 | Show on map |
| Fragment | Lily Pads | -238 | x 270, z -1320 | Show on map |
| Fragment | Purple Vents | -158 | x 480, z -644 | Show on map |
What Parallel Processing Unit needs
In-game description: "Component used in various test devices."
Goldx 1
Silver orex 1
Table coral samplex 1
Crafted at: Fabricator, Seatruck Fabricator Module.
Menu path in the files: Fabricator: Resources > Electronics > Radio Tower PPU · Seatruck Fabricator Module: Resources > Electronics > Radio Tower PPU.
What Parallel Processing Unit is used in
1 named recipe uses it as an ingredient.
Test Override ModuleFabricator, Seatruck Fabricator Module
About the Parallel Processing Unit blueprint
Parallel Processing Unit needs 3 fragments scanned. The game files place 6 fixed fragment pins for it, in Purple Vents, Lily Pads. Once unlocked it is made from 1 gold, 1 silver ore, 1 table coral sample.
See all data boxes and fragments, or the full crafting list.