On the ground, near fallen, burning tree.

On top of a small rock uphill. Greenbough Guardian patrols in this area.

On top of a big rock. This rock is part of a tiny island, that is surrounded with a waterfall.

Near the statute, on higher waterfall level. Jumping over big mushrooms at the bottom of the waterfall, gives you necessary boost. There is a challenge in area called “Chasing Fireflies”, objective- Collect Fireflies near Celestial Falls. Quest that takes you here is “A Heralded Horn”, part- Retrieve the Primal Matrix.

At the bottom of the big tree in area. Quest that takes you to this area is “Watcher’s Warning”. Challenge “Buzzbing Buzzkills” can be done in this area.

Inside of a Augmentation Chamber. This chamber opens up as you progress with mission “Making Contact” at Camp Viridian. This is where Augmentation Avatar opens up a nearby passage through large, green teleportation platform. After you enter Augmentation Chamber and meet with Augmentation Avatar, you can grab this datacube that stands west from him.

Inside of Nanite Repository. You get teleported into this Repository as you walk above the large, green platform at this point of map. Quest that leads you here is “Follow the Data”, part- Enter the Nanite Repository. When you enter it, turn left. Datacube is in a corner.