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Synology DS1815+ DiskStation 8-Bay Diskless NAS, Intel Atom C2538 Quad Core 2.4 GHz processor, 2GB DDR3 RAM, Expandable up to 6 GB (2GB+4GB), USB 3 Port x 4, eSATA Port x 2, LAN RJ45 Gigabit X 4, iSCSI, Virtualization, SSD, RAID migration, 3 yr warranty

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 GB DDR3

Memory Module Pre-installed

2 GB x 1

Total Memory Slots

2

Memory Expandable up to

6 GB (2 GB + 4 GB)

Storage

Drive Bay(s)

8

Maximum Drive Bays with Expansion Unit

18

Compatible Drive Type* (See all supported drives)

  • 3.5" SATA III / SATA II HDD
  • 2.5" SATA III / SATA II HDD
  • 2.5" SATA III / SATA II SSD

Maximum Internal Raw Capacity

80 TB (10 TB HDD x 8) (Capacity may vary by RAID types)

Maximum Raw Capacity with Expansion Units

180 TB (10 TB HDD x 18) (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.
  • For the optimal SSD cache performance, please see here.
  • Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.

External Ports

USB 3.0 Port

4

eSATA Port

2

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)

157 mm x 340 mm x 233 mm

Weight

5.29 kg

Others

RJ-45 1GbE LAN Port

4 (with Link Aggregation / Failover support)

Wake on LAN/WAN

System Fan

120 mm x 120 mm x 2 pcs

Fan Speed Mode

  • Cool Mode
  • Quiet Mode

Easy Replacement System Fan

Wireless Support (dongle)

Power Recovery

Noise Level*

24.3 dB(A)

Scheduled Power On/Off

Power Supply Unit / Adapter

250W

AC Input Power Voltage

100V to 240V AC

Power Frequency

50/60 Hz, Single Phase

Power Consumption*

45.88 W (Access) 
25.23 W (HDD Hibernation)

British Thermal Unit

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

Environment 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

  • FCC Class B
  • CE Class B
  • BSMI Class B

Warranty

3 Years

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%

 

Features:

Storage Management

Maximum Internal Volume Number

512

Maximum iSCSI Target Number

32

Maximum iSCSI LUN

256

iSCSI LUN Clone/Snapshot, Windows ODX

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

SSD Support

SSD Read/Write Cache (White Paper)

SSD TRIM

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

Windows Access Control List (ACL) Integration

NFS Kerberos Authentication

High Availability Manager

Log Center

Syslog Events per Second

800

Virtualization

VMware vSphere 5 with VAAI

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

400

Notes

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

Cloud Station Server

Maximum Concurrent File Transfers

512

Maximum Concurrent File Transfers (with RAM expansion)

1500

Docker DSM

Maximum Docker DSM Number (Licenses required)

10 (including 1 Free License) (Learn more)

Document Viewer

Download Station

Maximum Concurrent Download Tasks

80

exFAT Access (optional)

HiDrive Backup

MailPlus / MailPlus Server

Free Email Accounts

(Licenses required for additional accounts)

Recommended MailPlus Client Number

Up to 90 (Btrfs) / 100 (EXT4)

Maximum Server Performance

825,000 (Btrfs) / 884,000 (EXT4) emails per day, approx. 25.2 GB (Btrfs) / 27 GB (EXT4)

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 Certification

Office

Maximum Users

400

Maximum Simultaneous Editing Users

80

Notes

  • CPU and RAM usage were both under 80% when testing the recommended number of clients.
  • 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 FPS @ 720p (1280x720) 
900 FPS @ 1080p (1920×1080) 
320 FPS @ 3M (2048x1536) 
270 FPS @ 5M (2591x1944)

Total FPS (MJPEG)*

540 FPS @ 720p (1280x720) 
200 FPS @ 1080p (1920×1080) 
150 FPS @ 3M (2048x1536) 
90 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

VPN Server

Maximum Connections

20

Environment & Packaging

Environment

RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Welcome Note X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2

Optional Accessories

  • Surveillance Device License Pack
  • 4GB DDR3 RAM Module
  • Expansion Unit: DX213 X 2
  • Expansion Unit: DX513 X 2
  • VS360HD

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Synology DS1815+ DiskStation 8-Bay Diskless NAS

Your Custom Configuration:
  • No Hard Drive
  • No RAID
  • No RAM Upgrade
  • No RAIL
  • No Network Card
  • No Warranty
  • No SSD Cache