Fujitsu Mobile 2.5-inch ATA-33 hard drive (part no. CA01678-B940000G) delivers 3.2GB capacity with 512KB cache and 4000RPM spindle speed for legacy mobile and portable systems. ATA-33 interface supports data transfer rates up to 33MB/s. The compact 2.5-inch form factor suits notebook computers, external enclosures, and embedded applications from the early 2000s. Compatible with systems requiring 44-pin IDE connectors and 5V/12V power. Typical applications include archival storage, legacy system upgrades, and data recovery scenarios. Low spindle speed reduces heat and power draw, extending battery life in mobile deployments. Tested and guaranteed—available via quote.