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FEATURES

Dependable Performance - Up to 1,181/1,180MB/s sequential read/write throughput supports stable data transfers
Fast Networking - Built-in 2.5GbE ports for fast connectivity out of the box with support for 10GbE
Versatile Network Storage - Leverage built-in file and photo management, data protection, virtualisation and surveillance solutions
Capacity Expansion - Add 10× extra drive bays for up to 300TB of raw storage with two DX525 expansion units
Extendable Product Support - Backed by Synology's 3-year limited hardware warranty, extendable to 5-years in select markets

SPECIFICATIONS

Performance
CPU: AMD Ryzen V1500B, Quad-Core 2.2GHz, 64-bit
Hardware Encryption Engine: Yes (AES-NI)
Memory: 8GB DDR4 ECC SODIMM (Expandable up to 32GB / 16GB ×2)
Storage
Drive Bays: 4× 3.5"/2.5" SATA HDD/SSD
Maximum Drive Bays with Expansion: up to 9×
M.2 NVMe Slots: 2× M.2 2280 NVMe SSD (Cache Support)
Supported RAID: Basic, JBOD, RAID 0, 1, 5, 6, 10, Synology Hybrid RAID
Hot-Swap Drives: Yes
Network and Expansion
LAN Ports: 2× 2.5GbE RJ45
USB Ports: USB3.2 Gen1
Expansion Ports: 2× USB Type-C
PCIe Slot: 1× Gen3 x2 (Network Upgrade Support)
Performance and Scalability
Maximum Single Volume Size: 200TB (16GB Memory Required)
Maximum Internal Volume Number: 128×
Maximum Shared Folders: 256×
Maximum Local Users: 1,024×
Maximum Concurrent SMB Connections: 500×
Maximum iSCSI Targets: 128×
Maximum LUNs: 256×
Virtualisation and Business Features
Virtual Machine Manager: Supported
Synology High Availability: Supported
Snapshot Replication: Yes
Btrfs File System: Supported
Hardware-Accelerated Encryption: Yes
Surveillance Station
Default Camera Licences: 2×
Maximum IP Cameras (H.264): up to 40 Channels
Maximum IP Cameras (H.265): up to 40 Channels
Power and Physical
Power Supply: 120W
AC Input: 100~240V AC
Power Consumption: 45.6W (Access), 14.5W (HDD Hibernation)
Noise Level: 19.8dB(A)
Dimensions (H × W × D): 166 × 199 × 223mm
Weight: 2.2kg
Environment
Operating Temperature: 0~40°C
Storage Temperature: -20~60°C
Humidity: 5~95% RH
Warranty
3-Year Hardware Warranty (Extendable to 5-Years with Extended Warranty Plus)