NAS устройство Synology DiskStation DS1817+, 2GB RAM

Hardware Specifications

CPU

CPU Model

Intel Atom C2538

CPU Architecture

64-bit

CPU Frequency

Quad Core 2.4 GHz

Hardware Encryption Engine (AES-NI)

Memory

System Memory

2/8 GB DDR3

Memory Module Pre-installed

2GB (1 x 2GB) / 8GB (2 x 4GB)

Total Memory Slots

2

Memory Expandable up to

16 GB (8 GB x 2)

Storage

Drive Bays

8

Maximum Drive Bays with Expansion Unit

18

Compatible Drive Type* (See all supported drives)

• 3.5" SATA HDD
• 2.5" SATA HDD
• 2.5" SATA SSD

Maximum Internal Raw Capacity

96 TB (12 TB drive x 8) (Capacity may vary by RAID types)

Maximum Raw Capacity with Expansion Units

216 TB (96 TB + 12 TB drive x 10) (Capacity may vary by RAID types)

Maximum Single Volume Size

108 TB

Hot Swappable Drive

Notes

• "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.
• Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.

External Ports

RJ-45 1GbE LAN Port

4 (with Link Aggregation / Failover support)

USB 3.0 Port

4

eSATA Port

2

PCIe

PCIe Expansion

1 x Gen2 x8 slot (x4 link)

Add-in-card support

• M2D17 - Dual M.2 SSD adapter card for SSD cache
• PCIe Network Interface Card (Learn more)

Notes

DS1817+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.

File System

Internal Drives

• Btrfs
• EXT4

External Drives

• Btrfs
• EXT4
• EXT3
• FAT
• NTFS
• HFS+
• exFAT*

Notes

exFAT Access is purchased separately in Package Center.

Appearance

Size (Height x Width x Depth)

166 mm x 343 mm x 243 mm 

Weight

6.0 kg 

Others

System Fan

120 mm x 120 mm x 2 pcs

Fan Speed Mode

• Cool Mode
• Quiet Mode

Easy Replacement System Fan

Brightness adjustable front LED indicators

Power Recovery

Noise Level*

22.2 dB(A) 

Scheduled Power On/Off

Wake on LAN/WAN

Power Supply Unit / Adapter

250W 

AC Input Power Voltage

100V to 240V AC

Power Frequency

50/60 Hz, Single Phase

Power Consumption*

61.5 W (Access) 
31.6 W (HDD Hibernation) 

British Thermal Unit

156.55 BTU/hr (Access) 
86.09 BTU/hr (HDD Hibernation) 

Environment Temperature

Operating Temperature

5°C to 40°C (40°F to 104°F)

Storage Temperature

-20°C to 60°C (-5°F to 140°F)

Relative Humidity

5% to 95% RH

Certification

• EAC
• VCCI
• CCC
• RCM
• KC
• FCC
• CE
• BSMI

Warranty

3 Year Hardware Warranty

Notes

• Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
• Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS 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%

DSM Specifications ( See more )

Storage Management

Maximum Internal Volume Number

512

Maximum iSCSI Target Number

32

Maximum iSCSI LUN

256

iSCSI LUN Clone/Snapshot, Windows ODX

SSD Read/Write Cache (White Paper)

SSD TRIM

Supported RAID Type

• Synology Hybrid RAID
• Basic
• JBOD
• RAID 0
• RAID 1
• RAID 5
• RAID 6
• RAID 10

RAID Migration

• Basic to RAID 1
• Basic to RAID 5
• RAID 1 to RAID 5
• RAID 5 to RAID 6

Volume Expansion with Larger HDDs

• Synology Hybrid RAID
• RAID 1
• RAID 5
• RAID 6

Volume Expansion by Adding a HDD

• Synology Hybrid RAID
• RAID 5
• RAID 6
• JBOD

Global Hot Spare Supported RAID Type

• Synology Hybrid RAID
• RAID 1
• RAID 5
• RAID 6
• RAID 10

File Sharing Capacity

Maximum Local User Accounts

2048

Maximum Local Groups

256

Maximum Shared Folder

512

Maximum Shared Folder Sync Tasks

8

Maximum Concurrent CIFS/AFP/FTP Connections

512(2GB) / 2048(8GB)

Windows Access Control List (ACL) Integration

NFS Kerberos Authentication

High Availability Manager

Log Center

Syslog Events per Second

800

Virtualization

VMware vSphere 6 with VAAI

Windows Server 2012

Windows Server 2012 R2

Citrix Ready

OpenStack

Add-on Packages (learn more about the complete add-on package list)

Antivirus by McAfee (Trial)

Central Management System

Chat

Maximum Users

1500

Notes

• The number of concurrent HTTP connections for Chat was configured to the maximum.
• CPU and RAM usage were both under 80% when the number of maximum users was reached.
• For tested models with expandable memory, the maximum amount of RAM was installed.

Cloud Station Server

Maximum Number of Concurrently Connected Devices

512 (2GB) / 2000 (8GB)

Maximum Number of Concurrently Connected Devices (with RAM expansion)

2000

Maximum Number of Synced Files (btrfs)

1,000,000 / single file reaction time 827 (2GB) / 872 (8GB) ms

Maximum Number of Synced Files (ext4)

1,000,000 / single file reaction time 533 (2GB) / 512 (8GB) ms

Notes

• 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.
• 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.
• Non-encrypted shared folders were used during the aforementioned testing.

Document Viewer

Download Station

Maximum Concurrent Download Tasks

80

Drive

Maximum Number of Synced Files

1,000,000 / single file reaction time 437 ms

Maximum Number of Concurrent Connections for PC Clients

550

Notes

• The Btrfs file system was used for the purpose of testing.
• 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.
• 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.
• For tested models with expandable memory, the maximum amount of RAM was installed.
• Non-encrypted shared folders were used during the aforementioned testing.

exFAT Access (optional)

MailPlus / MailPlus Server

Free Email Accounts

5 (Licenses required for additional accounts)

Recommended MailPlus Client Number

Up to 90(btrfs)/100(ext4)

Maximum Server Performance

825,000 emails per day, approx. 25.18 GB

Notes

• The CPU and RAM usages were both under 80% when testing recommended client numbers.
• For tested models with expandable memory, the maximum amount of RAM was installed.
• Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
• The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
• Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).

Media Server

DLNA Compliance

Moments

Facial recognition

Subject recognition

Office

Maximum Users

1800

Notes

• Multiple files were opened for testing and each file was edited by 30 users simultaneously.
• CPU and RAM usage were both under 80% when the number of maximum users was reached.
• For tested models with expandable memory, the maximum amount of RAM was installed.
• Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Snapshot Replication

Maximum Snapshots per Shared Folder

1024

Maximum Snapshots of all Shared Folder

65536

Surveillance Station

Maximum IP cam (Licenses required)

40 (including 2 Free License) (See All Supported IP Cameras)

Total FPS (H.264)*

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)

Total FPS (H.265)*

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)

Total FPS (MJPEG)*

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)

Notes

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.

Video Station

Video Transcoding

Group 1 - Type 1 (See more)

Maximum Transcoding Channel Number

1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1

Virtual Machine Manager

Maximum Virtual DSM Number (Licenses required)

4 (including 1 Free License) (Learn more)

Notes

Virtual Machine Manager is not supported on hosts running Synology High Availability.

VPN Server

Maximum Connections

20

Environment & Packaging

Environment

RoHS Compliant

Packaging Content

• Main Unit X 1
• Accessory Pack X 1
• AC Power Cord X 1
• RJ-45 LAN Cable X 2
• Quick Installation Guide X 1

Optional Accessories

• Surveillance Device License Pack
• 8GB (4GB x 2) DDR3 RAM Module Kit
• 16GB (8GB x 2) DDR3 RAM Module Kit
• Expansion Unit: DX517 X 2
• VS360HD
• VS960HD
• Synology Ethernet Adapter E10G15-F1
• Synology Ethernet Adapter E10G17-F2
• Synology M2D17 M.2 SSD adapter card