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Synology 4 Bay NAS Rackstation RS819 (Diskless)

RM 3,100.00
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PRODUCT OVERVIEW

RS819 is a compact and scalable 4-bay rackmount NAS in a 1U form factor. With snapshot technology support, RS819 brings business workgroups simple yet comprehensive solutions to data management, sharing, synchronization and backup.

PRODUCT DESCRIPTION

  • Compact chassis design capable of fitting in a 2-post rack
  • Cost-efficient server deployment without unnecessary investment in rail kits and server facilities
  • Snapshot replication provides schedulable and storage capacity-saving data protection with 256 shared folder backups and 4096 system-wide snapshots
  • File or folder level data restoration makes data recovery fast and flexible
  • Automatic file self-healing detects and recovers corrupted files without user intervention

PRODUCT SPECIFICATIONS

Hardware Specifications

CPU

CPU Model

Realtek RTD1296


CPU Architecture

64-bit


CPU Frequency

Quad Core 1.4 GHz


Hardware Encryption Engine

Yes

Memory

System Memory

2 GB DDR4


Notes

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 Bays

4


Maximum Drive Bays with Expansion Unit

8


Compatible Drive Type* (See all supported drives)

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

Maximum Internal Raw Capacity

64 TB (16 TB drive x 4) (Capacity may vary by RAID types)


Maximum Raw Capacity with Expansion Units

128 TB (64 TB + 16 TB drive x 4) (Capacity may vary by RAID types)


Maximum Single Volume Size*

108 TB


Hot Swappable Drive

Yes


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.
  • The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. 

External Ports

RJ-45 1GbE LAN Port

2 (with Link Aggregation / Failover support)


USB 3.0 Port

2


eSATA Port

1

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

Form Factor (RU)

1U


Size (Height x Width x Depth)

44 mm x 478 mm x 327.5 mm


Weight

4.34 kg


Rack Installation Support*

  • 2-post 19" rack (direct mounting)
  • 4-post 19" rack (Synology Rail Kit - RKM114/RKS1317)

Notes

The rail kit is sold separately

Others

System Fan

40 mm x 40 mm x 3 pcs


Fan Speed Mode

  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode

Power Recovery

Yes


Noise Level*

28.9 dB(A)


Scheduled Power On / Off

Yes


Wake on LAN / WAN

Yes


Power Supply Unit / Adapter

100 W


AC Input Power Voltage

100 V to 240 V AC


Power Frequency

50/60 Hz, Single Phase


Power Consumption*

28.31 W (Access)
 10.1 W (HDD Hibernation)


British Thermal Unit

96.6 BTU/hr (Access)
 34.46 BTU/hr (HDD Hibernation)


Notes

Power consumption is measured when it's fully loaded with Western Digital 1TB WD10EFRX hard drive(s).

Temperature

Operating Temperature

5°C to 35°C (40°F to 95°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, extendable to 5-year coverage - EW201


Notes

The 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 Cord X 1
  • Quick Installation Guide X 1

Optional Accessories

  • Surveillance Device License Pack
  • Expansion Unit: RX418 X 1
  • Synology Rail Kit Mounted - RKM114
  • Synology Rail Kit Sliding - RKS1317
  • VS360HD
  • VS960HD

Hardware Specifications

DSM Specifications

Storage Management

Maximum Internal Volume Number

64


Maximum iSCSI Target Number

10


Maximum iSCSI LUN

10


iSCSI LUN Clone/Snapshot, Windows ODX

Yes


SSD TRIM

Yes


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 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)

Global Hot Spare Supported RAID Type

  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6 (with Expansion Unit)
  • RAID 10 (with Expansion Unit)

File Services

File Protocol

CIFS/AFP/NFS/FTP/WebDAV


Maximum Concurrent CIFS/AFP/FTP Connections

200


Windows Access Control List (ACL) Integration

Yes


NFS Kerberos Authentication

Yes

Account & Shared Folder

Maximum Local User Accounts

2,048


Maximum Local Groups

256


Maximum Shared Folder

256


Maximum Shared Folder Sync Tasks

4

Log Center

Syslog Events per Second

400

General Specifications

Networking Protocols

SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV


Supported Browsers

  • Chrome
  • Firefox
  • Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Chrome (Android 6.0 onwards)

Supported Language

English, 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

Add-on Packages (view the complete package list)

Synology Chat

Maximum Users

500


Notes

  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.

Cloud Station Server

Recommended Number of Hosted Files

100,000


Recommended Number of Concurrent Sync Clients

200 (the number of connections that can be maintained when the recommended number of hosted files was reached)


Notes

  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.

Download Station

Maximum Concurrent Download Tasks

80

exFAT Access (Optional)

Yes

Media Server

DLNA Compliance

Yes

Moments

Facial Recognition

Yes


Subject Recognition

Yes

Snapshot Replication

Maximum Snapshots per Shared Folder

256


Maximum of System Snapshots

4,096

Surveillance Station

Maximum IP cam (Licenses required)

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


Total FPS (H.264)*

900 FPS @ 720p (1280x720)
 300 FPS @ 1080p (1920x1080)
 240 FPS @ 3M (2048x1536)
 150 FPS @ 5M (2591x1944)
 110 FPS @ 4K (3840x2160)


Total FPS (H.265)*

900 FPS @ 720p (1280x720)
 450 FPS @ 1080p (1920x1080)
 360 FPS @ 3M (2048x1536)
 250 FPS @ 5M (2591x1944)
 180 FPS @ 4K (3840x2160)


Total FPS (MJPEG)*

300 FPS @ 720p (1280x720)
 200 FPS @ 1080p (1920x1080)
 130 FPS @ 3M (2048x1536)
 80 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.

Synology Drive

Recommended Number of Hosted Files

100,000 (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 Clients

200 (the number of connections that can be maintained when the recommended number of hosted files was reached)


Notes

  • Exceeding the limits above may result in longer response time in file operations.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

Maximum Users

200


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.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Video Station

Video Transcoding

Group 2 (See more)

VPN Server

Maximum Connections

20

WHAT'S INSIDE THE BOX

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • Quick Installation Guide X 1

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