Smarter video surveillance Synology Deep Learning NVR combines powerful video management system features with AI-powered analytics. Generate real-time statistics and alerts to act on issues immediately. Actionable insights Video footage is transformed into actionable insights with advanced deep learning-based analytics, enhancing security without requiring additional personnel. On-prem recording and analytic. Powered by Synology DSM, footage is kept on the device, with options to flexibly backup or archive to other devices and locations. Comprehensive VMS platform DVA3221 is an all-in-one NVR solution, combining video recording, analysis, and advanced video management. CPU Model Intel Atom C3538 CPU Architecture 64-bit CPU Frequency Quad Core 2.1 GHz GPU Model NVIDIA GeForce GTX 1650 System Memory 8 GB DDR4 Total Memory Slots 2 Maximum Memory Capacity 32 GB (16 GB x 2) Drive Bays 4 Maximum Drive Bays with Expansion Unit 14 (DX517 x 2) Compatible Drive Type* (See all supported drives) •3.5' SATA HDD •2.5' SATA HDD •2.5' SATA SSD Maximum Single Volume Size* 108 TB Hot Swappable Drive RJ-45 1GbE LAN Port 4 USB 3.0 Port 3 System Fan 120 mm x 120 mm x 1 pcs Fan Speed Mode •Cool Mode •Quiet Mode •Full-Speed Mode Power Recovery Power Supply Unit / Adapter 250 W AC Input Power Voltage 100 V to 240 V AC Operating Temperature 0°C to 40°C (32°F to 104°F) Warranty3 Years