A server administrator is selecting hardware for a new backup server. Disk capacity is the most important requirement for the server. Which of the following drive interface types BEST meets this need?

USB is primarily an external interface for peripherals and is not typically used for internal, high-capacity primary storage in a dedicated backup server due to performance and reliability limitations.

SATA (Serial ATA) drives offer the best balance of high capacity and cost-effectiveness, making them ideal for backup servers where raw storage volume is prioritized over extreme performance or enterprise-grade features found in SAS or FC.

SCSI (Small Computer System Interface) is an older parallel interface; while robust, its modern replacement, SAS, or the cost-effectiveness of SATA, usually surpasses it for high-capacity backup needs.

Fibre Channel (FC) is a high-performance, high-cost interface primarily used in Storage Area Networks (SANs) for mission-critical applications, not typically chosen for its raw capacity-to-cost ratio on a single backup server.