Accelerated Performance - 177% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor
Maximize Performance - Turbocharge HDD arrays by 20x or more without occupying drive bays using dual built-in M.2 slots for NVMe SSD cache
Expansion Made Easy - Scale-up on-demand to 18 drives with two DX517 expansion units
Includes Everything to Protect Your Data - Back up critical data to and from public clouds, Windows PCs and servers, virtual machines, and data on the NAS with Synology Active Backup suite, Hyper Backup, and Snapshot Replication
Ready for 10GbE - Add in a 10GbE SFP+ or RJ-45 NIC to instantly increase network bandwidth based on your existing infrastructure
SYNOLOGY DS1821+ with 4GB Memory P/NO: DS1821+/4G
SYNOLOGY DS1821+ with 8GB Memory P/NO: DS1821+/8G
SYNOLOGY DS1821+ with 16GB Memory P/NO: DS1821+/16G
SYNOLOGY DS1821+ with 32GB Memory P/NO: DS1821+/32G
