- Extreme Environments – Extra wide operating temperature range
- Built for the Road – Ideal for automotive applications
HGST delivers an industry-leading 320GB capacity in its latest Endurastar line of 2.5-inch hard drives designed especially for extreme environments. The Endurstar J4K320 models provide up to three times the capacity of their predecessors and are built to operate at altitudes of up to 5500 meters. The Endurastar J4K320 is designed for the most severe conditions, with an operating temperature range of -30ºC to +85ºC.