The Btrfs file system introduces the most advanced storage technologies to prevent data corruption & reduce maintenance overhead with optimized snapshots. It ensures high-level data integrity, while taking advantage of flexible, efficient data protection & recovery tools. Equipped with dual-channel memory & a PCIe slot, DS1517+ supports installing the dual M.2 SSD adapter card, M2D17, or the 10 Gb E NIC, for high-IOPS system cache & ultra-fast data transmission respectively.