What type of RAID configurations does the DiskStation DS418 support, and how do they affect performance and data redundancy?

The Synology DiskStation DS418 supports Synology Hybrid RAID Technology.

Questions & Answers: Synology DiskStation DS418 NAS Server with RTD1296 1.4GHz CPU, 2GB Memory, 16TB SSD Storage, 2 x 1GbE LAN Ports, DSM Operating System

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Synology DiskStation DS418 NAS Server with RTD1296 1.4GHz CPU, 2GB Memory, 16TB SSD Storage, 2 x 1GbE LAN Ports, DSM Operating System

Synology DiskStation DS418 is made for a variety of server roles, such as home data backup, file syncing, and sharing. A high-capacity powerhouse capable of fitting into most any environment, making it easy to centralize all your multimedia collections with rigorous workloads.
RTD1296 Quad-Core 1.4GHz CPU; 2GB DDR4 non-ECC; 16TB (4 x 4TB) SATA 2.5" SSDs for Ultra-Fast Storage; 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports
Features: Real-Time Collaboration on Your Private Cloud, File Sync Across All Devices via Cloud Station Suite, File Access and Sharing via QuickConnect, Synology Hybrid RAID Technology, Desktop Backup, Comprehensive Built-In Security Tools
Synology NAS chassis comes in a sealed box.
Hard drives and memory upgrades included separately, NOT installed, installation required.