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Synology DiskStation DS1520+ 5-Bay NAS


  • CPU Model : Intel Celeron J4125 4-core 2.0 (base) / 2.7 (burst) GHz
  • System Memory : 8 GB DDR4 non-ECC
  • Drive Bays : 5
  • Maximum Drive Bays with Expansion Unit : 15 (DX517 x 2)
  • M.2 Drive Slots : 2 (NVMe)
  • Maximum Single Volume Size* : 108 TB
  • RJ-45 1GbE LAN Port : 4 (with Link Aggregation / Failover support)
  • USB 3.0 Port : 2
  • eSATA Port : 2
SKU
DS1520+
น้ำหนัก
0 กรัม
ราคา
26990
23900 บาท



Hardware Specs 


CPU

CPU ModelIntel Celeron J4125

CPU Architecture64-bit

CPU Frequency4-core 2.0 (base) / 2.7 (burst) GHz

Hardware Encryption Engine 
(AES-NI)
✔ 

Memory

System Memory8 GB DDR4 non-ECC

Memory Module Pre-installed8 GB (4 GB + 4 GB)

Total Memory Slots1

Notes
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.

Storage

Drive Bays5

Maximum Drive Bays with Expansion Unit15 (DX517 x 2)

M.2 Drive Slots2 (NVMe)

Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD

Maximum Single Volume Size*108 TB

Hot Swappable Drive

Notes
  • Storage Pool and volume creation require all drives to be listed as compatible on the device model's compatibility list.
  • "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports

RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support)

USB 3.0 Port2

eSATA Port2

File System

Internal Drives
  • Btrfs
  • EXT4

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

NotesexFAT Access is purchased separately in Package Center.

Appearance

Size (Height x Width x Depth)166 mm x 230 mm x 223 mm

Weight2.62 kg

Others

System Fan92 mm x 92 mm x 2 pcs

Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode

Brightness Adjustable Front LED Indicators✔ 

Power Recovery✔ 

Noise Level*20.8 dB(A)

Scheduled Power On / Off✔ 

Wake on LAN / WAN✔ 

Power Supply Unit / Adapter120 W

AC Input Power Voltage100 V to 240 V AC

Power Frequency50/60 Hz, Single Phase

Power Consumption*36.67 W (Access)
15.51 W (HDD Hibernation)

British Thermal Unit125.21 BTU/hr (Access)
52.96 BTU/hr (HDD Hibernation)

Notes
  • Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

Temperature

Operating Temperature0°C to 40°C (32°F to 104°F)

Storage Temperature-20°C to 60°C (-5°F to 140°F)

Relative Humidity5% to 95% RH

Certification

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

Warranty

3-year hardware warranty, extendable to 5-year coverage - EW201

NotesThe warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

RoHS Compliant

Packaging Content

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

Optional Accessories



Software Specs 


DSM Specifications

Storage Management

Maximum Internal Volume Number64

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
  • RAID 10

Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6

Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10

File Services

File ProtocolCIFS/AFP/NFS/FTP/WebDAV

Maximum Concurrent CIFS/AFP/FTP Connections2,000

Windows Access Control List (ACL) Integration

NFS Kerberos Authentication

NotesThe testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.

Account & Shared Folder

Maximum Local User Accounts2,048

Maximum Local Groups256

Maximum Shared Folder512

Maximum Shared Folder Sync Tasks32

High Availability

Synology High Availability

Log Center

Syslog Events per Second800

Virtualization

VMware vSphere 6 with VAAI

Windows Server 2016

Windows Server 2019

Citrix Ready

OpenStack

General Specifications

Networking ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV

Supported Browsers
  • Google Chrome
  • Firefox
  • Microsoft Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Google Chrome (Android 6.0 onwards)

Supported LanguageEnglish, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文

Antivirus by McAfee (Trial)


Central Management System


Synology Chat

Maximum Users1,500

Notes
  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • For tested models with expandable memory, the maximum amount of RAM was installed.

Document Viewer


Download Station

Maximum Concurrent Download Tasks80

exFAT Access (Optional)


iSCSI Manager

Maximum iSCSI Target Number128

Maximum iSCSI LUN256

iSCSI LUN Clone/Snapshot, Windows ODX

Synology MailPlus / MailPlus Server

Free Email Accounts5 (Licenses required for additional accounts)

Maximum Number of Concurrent Users100

Maximum Server Performance1,224,000 emails per day, approx. 37GB

Notes
  • Models with more than 4 bays were installed with two SSDs for SSD cache.
  • For tested models with expandable memory, the maximum amount of RAM was 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

Auto Color & Rotate

Moments Select

Snapshot Replication

Maximum Snapshots per Shared Folder1,024

Maximum of System Snapshots65,536

Surveillance Station

Maximum IP cam (Licenses required)40 (including 2 Free License) (See All Supported IP Cameras)

Total FPS (H.264)1200 FPS @ 720p (1280x720)
1050 FPS @ 1080p (1920x1080)
600 FPS @ 3M (2048x1536)
360 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)

Total FPS (H.265)1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
1000 FPS @ 3M (2048x1536)
600 FPS @ 5M (2591x1944)
300 FPS @ 4K (3840x2160)

Total FPS (MJPEG)680 FPS @ 720p (1280x720)
400 FPS @ 1080p (1920x1080)
300 FPS @ 3M (2048x1536)
200 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.
  • The maximum channel number also includes devices installed on Virtual DSM.
  • Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).

Synology Drive

Recommended Number of Hosted Files500,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)

Recommended Number of Concurrent Sync Clients350 (the number of connections that can be maintained when the recommended number of hosted files was reached)

Notes
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Utilizing SSD cache can significantly improve performance.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

Maximum Users1,200

Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • 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

Video Station


Virtual Machine Manager

Recommended Virtual Machine Instances4 (Learn more)

Recommended Virtual DSM Number (Licenses required)4 (including 1 Free License)

NotesThe specifications vary depending on system configuration and memory size.

VPN Server

Maximum Connections30


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