Backup external drives are storage devices optimized for safeguarding important data by providing reliable and long-term storage capacity. They are available in both HDD and SSD variants, with HDDs offering high storage capacities at a lower cost per terabyte and SSDs providing faster performance, durability, and reliability. Backup drives are typically larger in capacity, ranging from 2TB up to 20TB for desktop models, and often come bundled with dedicated backup software that enables automated, scheduled backups for hassle-free data protection. Desktop backup drives generally use 3.5-inch HDDs and require external power, while portable backup drives are lighter, powered via USB, and more convenient for mobile use. Many models support hardware encryption and password protection to secure sensitive files, making them suitable for both personal and professional use. Some advanced backup drives even integrate with NAS (Network Attached Storage) systems or cloud backup services for hybrid data protection. While HDD-based models may generate moderate noise and require good airflow, SSD-based versions remain silent and shock-resistant. Backup external drives are essential for disaster recovery strategies, offering an extra layer of security against accidental deletion, system crashes, or ransomware attacks, ensuring that valuable data remains safe and accessible over the long term.