4-bay Models
Item
DS409slim
DS409
DS409+
RS409
RS409+
Internal HDD
2.5 SATA (II) x 4
3.5 SATA (II) x 4
3.5 SATA (II) x 4
3.5 SATA (II) x 4
3.5 SATA (II) x 4
3.5 SATA (II) x 4
Max.
Capacity 500GB 1.5TB 1.5TB 1.5TB 1.5TB 1.5TB
Hot Swappable HDD
No
No
No
Yes
Yes
Yes
External HDD
Interface
USB x 2
eSATA x 1
USB x 2
eSATA x 1
USB x 2
eSATA x 1
USB x 2 eSATA
x 1
USB x 2 eSATA
x 1
USB x 2 eSATA
x 1
LAN Port
Gigabit X 1
Gigabit X 1
Gigabit X 1
Gigabit X 2
Gigabit X2
Gigabit X2
USBCopy
Yes No No No No No
System Fan
X 1
(60mmX60mm)
X 2
(80mmX80mm)
X 2
(80mmX80mm)
X 3
(40mmX40mm)
X 3
(40mmX40mm)
X 4
(40mmX40mm)
Power
Fan
No No No
X 1
(40mmX40mm)
X 1
(40mmX40mm)
X 1
(40mmX40mm)
Size (HxWxD) (mm)
120 X 105 X
142
168 X 184 X
230
168 X 184 X
230
44 X 430.5 X
457.5
44 X 430.5 X
457.5
44 X 430.5 X
457.5
Weight (Kg)
0.66
2.23
2.23
7.1
7.1
9.68
Supported Clients
‧
Windows 2000 Onward
‧
Mac OS X 10.3 Onward
‧
Linux
Max.
User
Accounts
1024 2048 2,048 2,048 2,048 2,048
Max.
Group
Accounts
128 256 256 256 256 256
Max.
Shared
Folder
256 256 256 256 256 256
Max. Concurrent
Connections
64 128 256 128 512 512
Max. Supported IP
Cameras
8 8 12 8 12 12
File System
‧
EXT3
‧
FAT (External Disk, Read/Write)
‧
NTFS (External Disk, Read/Write)
Volume Type
‧
Basic
‧
JBOD
‧
RAID 0
‧
RAID 1
‧
RAID 5
‧
RAID 5+Spare
‧
RAID 6
Agency Certifications
‧
FCC Class B
‧
CE Class B
‧
BSMI Class B
‧
FCC Class A
‧
CE Class A
HDD
Hibernation Yes Yes Yes Yes Yes Yes
Event
Notification
Yes Yes Yes Yes Yes Yes
NTP
Yes Yes Yes Yes Yes Yes
FTP
over
SSL/TLS
Yes Yes Yes Yes Yes Yes
HTTPS
Connection
Yes Yes Yes Yes Yes Yes
Windows ADS
Domain
Yes Yes Yes Yes Yes Yes
iSCSI
Yes Yes Yes Yes Yes Yes
Scheduled Power
On/Off
Yes Yes Yes Yes Yes Yes
Language
Localization
‧
English
‧
Deutsch
‧
Français
‧
Italiano
‧
Español
‧
Dansk
‧
Norsk
‧
Svensk
‧
Nederlands
‧
Русский
‧
Polski
‧
Magyar
‧
Português do Brasil
‧
Português Europeu
‧
Türkçe
‧
Č
eský
‧
日本語
‧
한국어
‧
繁體中文
‧
简体中文
Power Consumption
And
Environment
‧
Line voltage: 100V to 240V AC
‧
Frequency: 50 / 60Hz
‧
Operating Temperature: 40 to 95
∘
F (5 to 35
∘
C)
14