DiskStation DS918+\n\nPowerful and scalable 4-bay NAS for growing businesses\n\nHigh-speed scalable storage server\n\nSynology DS918+ is designed for small and medium-sized businesses and IT enthusiasts. With a powerful built-in AES-NI hardware encryption engine, DS918+ provides exceptional encrypted file transmission. Also capable of transcoding up to two channels of H.265/H.264 4K videos at the same time, DS918+ is ideal for sharing and storing ultra-high definition media content.\n\nSatisfy your need for performance and capacity\n\nDS918+ supports up to two M.2 NVMe 2280 SSDs, allowing fast system cache creation without occupying internal drive bays. Scalable up to 9 drives with a Synology Expansion Unit DX517, DS918+ answers the need for flexible storage capacity.\n\nBtrfs: Next generation storage efficiency\n\nBtrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:\n\n- Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders\n- Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots\n- File or folder level data restoration makes data recovery fast and flexible\n- Automatic file self-healing detects and recovers corrupted files without user intervention\n\n\nDigital asset protection\n\nPowered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes. Learn more\n\nSecurity Advisor\n\nAnalyzes system settings, password strength, network preferences, and removes any possible malware.\n\nAppArmor\n\nA kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.\n\nAES 256-bit encryption\n\nEncrypt shared folders and network data transmission to keep data from unauthorized access.\n\n2-step verification\n\nPrevent others from logging in to your DSM by generating a one-time password (OTP) on your mobile device.\n\nTrust Level\n\nCustomize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.\n\nSynchronize files across your devices\n\nCloud Station Suite provides real-time data synchronization across all your devices, such as computers, mobile devices, and other Synology NAS whenever a file is modified. "Intelliversioning" keeps the most important file versions to better utilize storage space.\n\n4K Multimedia Server\n\nAccess and stream your 4K media content anytime and anywhere. DS918+ supports 4K H.264/H.265 online transcoding via Video Station and DS video, allowing 4K videos to be converted and played on the fly on other computers, smartphones, and media players that originally do not support Ultra HD formats.\n\nPowered by Synology DSM\n\nSurveillance Station\n\nComplete surveillance solution for recording, monitoring, and management.\n\nCollaboration Suite\n\nSynology Office, Calendar and Chat guarantee a secure and high-performance private communication and user-friendly content organization.\n\nAll-in-one server\n\nSave additional investment by integrating various network services, web/mail services, management applications into your NAS.\n\nDSM UI\n\nAward-winning operating system with an intuitive user interface and powerful capabilities.\n\nDesktop Backup\n\nSimplified backup solution for your Mac, PC, and mobile devices.\n\nSecurity\n\nComprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.