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Hardware Specifications
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CPU
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CPU Model
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Intel Atom C2538
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CPU Architecture
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64-bit
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CPU Frequency
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Quad Core 2.4 GHz
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Hardware Encryption Engine (AES-NI)
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Memory
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System Memory
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2/8 GB DDR3
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Memory Module Pre-installed
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2GB (1 x 2GB) / 8GB (2 x 4GB)
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Total Memory Slots
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2
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Memory Expandable up to
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16 GB (8 GB x 2)
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Storage
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Drive Bays
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8
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Maximum Drive Bays with Expansion Unit
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18
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Compatible Drive Type* (See all supported drives)
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3.5" SATA HDD
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2.5" SATA HDD
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2.5" SATA SSD
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Maximum Internal Raw Capacity
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96 TB (12 TB drive x 8) (Capacity may vary by RAID types)
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Maximum Raw Capacity with Expansion Units
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216 TB (96 TB + 12 TB drive x 10) (Capacity may vary by RAID types)
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Maximum Single Volume Size
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108 TB
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Hot Swappable Drive
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Notes
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"Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
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Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.
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External Ports
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RJ-45 1GbE LAN Port
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4 (with Link Aggregation / Failover support)
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USB 3.0 Port
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4
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eSATA Port
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2
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PCIe
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PCIe Expansion
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1 x Gen2 x8 slot (x4 link)
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Add-in-card support
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M2D17 - Dual M.2 SSD adapter card for SSD cache
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Notes
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DS1817+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
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File System
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Internal Drives
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External Drives
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Btrfs
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EXT4
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EXT3
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FAT
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NTFS
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HFS+
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exFAT*
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Notes
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exFAT Access is purchased separately in Package Center.
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Appearance
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Size (Height x Width x Depth)
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166 mm x 343 mm x 243 mm
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Weight
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6.0 kg
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Others
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System Fan
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120 mm x 120 mm x 2 pcs
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Fan Speed Mode
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Easy Replacement System Fan
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Brightness adjustable front LED indicators
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Power Recovery
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Noise Level*
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22.2 dB(A)
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Scheduled Power On/Off
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Wake on LAN/WAN
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Power Supply Unit / Adapter
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250W
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AC Input Power Voltage
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100V to 240V AC
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Power Frequency
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50/60 Hz, Single Phase
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Power Consumption*
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61.5 W (Access)
31.6 W (HDD Hibernation)
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British Thermal Unit
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156.55 BTU/hr (Access)
86.09 BTU/hr (HDD Hibernation)
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Environment Temperature
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Operating Temperature
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5?C to 40?C (40?F to 104?F)
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Storage Temperature
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-20?C to 60?C (-5?F to 140?F)
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Relative Humidity
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5% to 95% RH
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Certification
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EAC
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VCCI
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CCC
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RCM
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KC
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FCC
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CE
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BSMI
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Warranty
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3 Year Hardware Warranty, Extendable to 5 Year Coverage - EW201
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Notes
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Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
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Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75?C; Humidity: 58.2-61.8%
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DSM Specifications ( See more )
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Storage Management
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Maximum Internal Volume Number
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512
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Maximum iSCSI Target Number
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32
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Maximum iSCSI LUN
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256
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iSCSI LUN Clone/Snapshot, Windows ODX
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SSD Read/Write Cache (White Paper)
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SSD TRIM
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Supported RAID Type
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Synology Hybrid RAID
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Basic
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JBOD
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RAID 0
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RAID 1
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RAID 5
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RAID 6
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RAID 10
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RAID Migration
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Basic to RAID 1
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Basic to RAID 5
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RAID 1 to RAID 5
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RAID 5 to RAID 6
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Volume Expansion with Larger HDDs
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Synology Hybrid RAID
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RAID 1
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RAID 5
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RAID 6
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Volume Expansion by Adding a HDD
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Synology Hybrid RAID
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RAID 5
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RAID 6
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JBOD
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Global Hot Spare Supported RAID Type
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Synology Hybrid RAID
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RAID 1
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RAID 5
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RAID 6
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RAID 10
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File Sharing Capacity
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Maximum Local User Accounts
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2048
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Maximum Local Groups
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256
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Maximum Shared Folder
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512
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Maximum Shared Folder Sync Tasks
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8
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Maximum Concurrent CIFS/AFP/FTP Connections
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512(2GB) / 2048(8GB)
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Windows Access Control List (ACL) Integration
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NFS Kerberos Authentication
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High Availability Manager
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Log Center
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Syslog Events per Second
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800
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Virtualization
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VMware vSphere 6 with VAAI
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Windows Server 2012
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Windows Server 2012 R2
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Citrix Ready
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OpenStack
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Add-on Packages (learn more about the complete add-on package list)
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Antivirus by McAfee (Trial)
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Central Management System
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Chat
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Maximum Users
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1500
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Notes
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The number of concurrent HTTP connections for Chat was configured to the maximum.
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CPU and RAM usage were both under 80% when the number of maximum users was reached.
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For tested models with expandable memory, the maximum amount of RAM was installed.
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Cloud Station Server
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Maximum Number of Concurrently Connected Devices
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512 (2GB) / 2000 (8GB)
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Maximum Number of Concurrently Connected Devices (with RAM expansion)
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2000
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Maximum Number of Synced Files (btrfs)
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1,000,000 / single file reaction time 827 (2GB) / 872 (8GB) ms
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Maximum Number of Synced Files (ext4)
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1,000,000 / single file reaction time 533 (2GB) / 512 (8GB) ms
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Notes
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The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing.
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File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing.
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Non-encrypted shared folders were used during the aforementioned testing.
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Document Viewer
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Download Station
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Maximum Concurrent Download Tasks
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80
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Drive
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Maximum Number of Synced Files
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1,000,000 / single file reaction time 437 ms
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Maximum Number of Concurrent Connections for PC Clients
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550
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Notes
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The Btrfs file system was used for the purpose of testing.
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The maximum number of concurrent connections refers to the maximum number of connections that could be maintained when the maximum number of synced files was reached.
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File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS.
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For tested models with expandable memory, the maximum amount of RAM was installed.
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Non-encrypted shared folders were used during the aforementioned testing.
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exFAT Access (optional)
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MailPlus / MailPlus Server
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Free Email Accounts
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5 (Licenses required for additional accounts)
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Recommended MailPlus Client Number
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Up to 90(btrfs)/100(ext4)
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Maximum Server Performance
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825,000 emails per day, approx. 25.18 GB
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Notes
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The CPU and RAM usages were both under 80% when testing recommended client numbers.
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For tested models with expandable memory, the maximum amount of RAM was installed.
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Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
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The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
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Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
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Media Server
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DLNA Compliance
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Moments
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Facial recognition
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Subject recognition
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Office
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Maximum Users
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1800
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Notes
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Multiple files were opened for testing and each file was edited by 30 users simultaneously.
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CPU and RAM usage were both under 80% when the number of maximum users was reached.
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For tested models with expandable memory, the maximum amount of RAM was installed.
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Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
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Snapshot Replication
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Maximum Snapshots per Shared Folder
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1024
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Maximum Snapshots of all Shared Folder
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65536
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Surveillance Station
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Maximum IP cam (Licenses required)
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40 (including 2 Free License) (See All Supported IP Cameras)
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Total FPS (H.264)*
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1200 (2GB RAM) / 1200 (8GB RAM) FPS @ 720p (1280x720)
900 (2GB RAM) / 1080 (8GB RAM) FPS @ 1080p (1920?1080)
320 (2GB RAM) / 480 (8GB RAM) FPS @ 3M (2048x1536)
270 (2GB RAM) / 280 (8GB RAM) FPS @ 5M (2591x1944)
120 (2GB RAM) / 160 (8GB RAM) FPS @ 4K (3840x2160)
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Total FPS (H.265)*
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1200 (2GB RAM) / 1200 (8GB RAM) FPS @ 720p (1280x720)
1200 (2GB RAM) / 1200 (8GB RAM) FPS @ 1080p (1920?1080)
560 (2GB RAM) / 1120 (8GB RAM) FPS @ 3M (2048x1536)
300 (2GB RAM) / 760 (8GB RAM) FPS @ 5M (2591x1944)
200 (2GB RAM) / 480 (8GB RAM) FPS @ 4K (3840x2160)
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Total FPS (MJPEG)*
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540 (2GB RAM) / 760 (8GB RAM) FPS @ 720p (1280x720)
200 (2GB RAM) / 400 (8GB RAM) FPS @ 1080p (1920?1080)
150 (2GB RAM) / 280 (8GB RAM) FPS @ 3M (2048x1536)
90 (2GB RAM) / 200 (8GB RAM) FPS @ 5M (2591x1944)
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Notes
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Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
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Video Station
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Video Transcoding
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Group 1 - Type 1 (See more)
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Maximum Transcoding Channel Number
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1 channel, 30 FPS @ 1080p(1920?1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
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Virtual Machine Manager
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Maximum Virtual DSM Number (Licenses required)
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4 (including 1 Free License) (Learn more)
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Notes
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Virtual Machine Manager is not supported on hosts running Synology High Availability.
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VPN Server
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Maximum Connections
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20
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Environment & Packaging
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Environment
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RoHS Compliant
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Packaging Content
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Optional Accessories
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Surveillance Device License Pack
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RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
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RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
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Expansion Unit: DX517 X 2
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VS360HD
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VS960HD
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Synology Ethernet Adapter E10G15-F1
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Synology Ethernet Adapter E10G17-F2
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Synology M2D17 M.2 SSD adapter card
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รับประกัน
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3 ปี
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