This Fujitsu MPE3043AE is a 4.3GB 3.5-inch hard drive designed for reliable data storage. It features a 5400RPM spindle speed and utilizes a PATA IDE interface with a 512KB cache for efficient performance. This unit is part number CA05743-B311 and operates using the ATA-66 standard.This hard drive has been tested and wiped to ensure it is ready for use. It is a suitable component for legacy desktop computer systems or specific older computing projects requiring IDE storage solutions. The physical build is a standard 3.5-inch form factor, making it easy to install in matching drive bays.Condition of the item is used. The drive has been verified to be in working order and is sold as a standalone storage component. Please ensure your current system hardware supports PATA IDE connectivity before purchase.