CPU Model
Intel Atom C2538

CPU Architecture
64-bit

CPU Frequency
Quad Core 2.4 GHz

Hardware Encryption Engine (AES-NI)
Yes

System Memory
8GB DDR3

Memory Module Pre-installed
8GB (2 x 4GB)

Total Memory Slots
2

Memory Expandable up to
16 GB (8 GB x 2)

Drive Bays
5

Maximum Drive Bays with Expansion Unit
15

Compatible Drive Type (See all supported drives)
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD

Maximum Internal Raw Capacity
50 TB (10 TB HDD x 5) (Capacity may vary by RAID types)

Maximum Raw Capacity with Expansion Units
150 TB (10 TB HDD x 15) (Capacity may vary by RAID types)

Maximum Single Volume Size
108 TB

Hot Swappable Drive
Yes

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

USB 3.0 Port
4
eSATA Port
2

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

Internal Drives
Btrfs
EXT4

External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT

System Fan
80 mm x 80 mm x 2 pcs

Fan Speed Mode
Cool Mode
Quiet Mode

Easy Replacement System Fan
Yes

Wireless Support (dongle)
Yes

Brightness adjustable front LED indicators
Yes

Power Recovery
Yes

Noise Level
26.2 dB(A)

Scheduled Power On/Off
Yes

Wake on LAN/WAN
Yes

Power Supply Unit / Adapter
200W

AC Input Power Voltage
100V to 240V AC

Power Frequency
50/60 Hz, Single Phase

Power Consumption
42.1 W (Access)
23.1 W (HDD Hibernation)

British Thermal Unit
143.7 BTU/hr (Access)
78.9 BTU/hr (HDD Hibernation)

Operating Temperature
5^oC to 40^oC (40^oF to 104^oF)
Storage Temperature
-20^oC to 60^oC (-5^oF to 140^oF)
Relative Humidity
5% to 95% RH
Certification
FCC Class B
CE Class B
BSMI Class B

Maximum Internal Volume Number
512

Maximum iSCSI Target Number
32

Maximum iSCSI LUN
256

iSCSI LUN Clone/Snapshot, Windows ODX
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

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 Read/Write Cache (White Paper)
Yes

SSD TRIM
Yes

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
2048(8GB)

Windows Access Control List (ACL) Integration
Yes

NFS Kerberos Authentication
Yes

High Availability Manager
Yes

Log Center
Yes

Syslog Events per Second
800

VMware vSphere 6 with VAAI
Yes

Windows Server 2012
Yes

Windows Server 2012 R2
Yes

Citrix Ready
Yes

OpenStack
Yes

Antivirus by McAfee (Trial)
Yes

Central Management System
Yes

Chat
Yes

Maximum Users
400

Cloud Station Server
Yes

Maximum Concurrent File Transfers
2000 (8GB)

Maximum Concurrent File Transfers (with RAM expansion)
6000

DDSM
Yes

Maximum DDSM Number (Licenses required)
15 (including 1 Free License)

Document Viewer
Yes

Download Station
Yes

Maximum Concurrent Download Tasks
80

exFAT Access (optional)
Yes

MailPlus / MailPlus Server
Yes

Free Email Accounts
5

Recommended MailPlus Client Number
Up to 90

Maximum Server Performance
712,000 emails per day, approx. 21.73GB

Media Server
Yes

DLNA Certification
Yes

Office
Yes

Maximum Users
400

Maximum Simultaneous Editing Users
80

Snapshot Replication
Yes

Maximum Snapshots per Shared Folder
1024

Maximum Snapshots of all Shared Folder
65536

Surveillance Station
Yes

Maximum IP cam
40 (including 2 Free License)

Total FPS (H.264)
1200 (8GB RAM) FPS at 720p (1280x720)
1080 (8GB RAM) FPS at 1080p (19201080)
480 (8GB RAM) FPS at 3M (2048x1536)
280 (8GB RAM) FPS at 5M (2591x1944)

Total FPS (MJPEG)
760 (8GB RAM) FPS at 720p (1280x720)
400 (8GB RAM) FPS at 1080p (19201080)
280 (8GB RAM) FPS at 3M (2048x1536)
200 (8GB RAM) FPS at 5M (2591x1944)

Video Station
Yes

Video TranscodingGroup
1 - Type 1

Maximum Transcoding Channel Number
1 channel, 30 FPS at 1080p(19201080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1

VPN Server
Yes

Maximum Connections
20

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