These items, found within the Clear Sky installment of the S.T.A.L.K.E.R. video game series, serve as containers for valuable data. They are typically discovered on fallen enemies or within hidden stashes throughout the game’s environment. Acquiring these allows the player to unlock weapon and armor upgrades, improving their combat effectiveness within the Zone.
Data storage devices in the Zone represent a key mechanic for progression and character enhancement. Their acquisition directly translates to improved equipment, providing a tangible reward for exploration and combat. In the games fiction, these devices likely contain proprietary schematics, research data, or other valuable information scavenged from the abandoned facilities and labs scattered throughout the area. Successfully retrieving and decrypting the data offers a significant advantage to the player.