The Apple Quantum ProDrive 700MB 3.5" OEM Internal Hard Drive is a vintage Mac compatible storage device with a SCSI interface. This hard drive offers 700MB of storage capacity in a 3.5-inch form factor, ideal for those looking to expand their Mac's storage capabilities with a reliable and high-quality Apple product. Perfect for collectors or vintage Mac enthusiasts, this internal SCSI hard drive provides a seamless integration into older Mac systems for increased storage capacity.