Welcome to IGN's Subnautica: Below Zero guide How To section. This page will teach you to find the Parallel Processing Unit required for Hijacking Alterra Communications for Marguerite ...

The Parallel Processing Unit is a vital item for progression in the story of Subnautica: Below Zero. The Parallel Processing Unit fragments in Subnautica: Below Zero are located in Mercury II ...

Inside the wreck you'll find many scannable items and resources in Cargo crates, including the Parallel Processing Unit fragments necessary in Hijacking Alterra Communications. Collect any Metal ...