A 1024k Fluid Storage Disk is an item where items from the storage system are stored on. It has to be put in a Disk Drive.

The 1024k Fluid Storage Disk won’t despawn when dropped in the world.

Uncrafting

Sneak and right click while holding the empty 1024k Fluid Storage Disk to retrieve the various parts back:

Storage capacity

The 1024k Fluid Storage Disk can store 1024.000 millibuckets or 1024 buckets of any fluid.