Name    1U4500  1U4600  N5200PRO  N5500  N7700  N7700PRO  N7700SAS  N8800  N8800PRO  N8800SAS  N4100PRO  N4200  N0204 miniNAS  N0503 ComboNAS  N2200  N3200PRO
Image  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
System Memory   512MB DDR SDRAM  1GB DDR2 SDRAM  512MB DDR SDRAM  1GB DDR2 SDRAM  2GB DDR2 SDRAM  4GB DDR2 SDRAM  4GB DDR2 SDRAM  2GB DDR2 SDRAM  4GB DDR2 SDRAM  4GB DDR2 SDRAM  256 MB DDR SDRAM  1GB DDR2 SDRAM  128MB DDR2  1GB DDR2 SDRAM  256MB DDR2  256 MB DDR 
HDD Interface   3.5"SATA I/II x 4   3.5"SATA I/II x 4   3.5" SATA I/II x 5 3.5" SATA I/II x 5 3.5" SATA I/II x 7   3.5" SATA I/II x 7   3.5" SAS or SATA I/II x7  3.5" SATA I/II x 8   3.5" SATA I/II x 8   3.5" SAS or SATA I/II x8  3.5" SATA I/II x 4 SATA-II 3.5" x4 or 2.5" x4  2.5" SATA x 2 3.5" SATA I/II x 3 3.5" SATA I/II x 2 3.5" SATA I/II x 3 
2.5" SATA x 5  2.5" SATA x 5  2.5" SATA x 4  2.5" SSD x 2  2.5" SATA x 5  2.5" SATA x 2 
Ethernet   GbE x 2   GbE x 2   GbE x 2 B/B Pro GbE x 2  GbE x 2   GbE x 2   GbE x 2  GbE x 2   GbE x 2   GbE x 2  GbE x 2   GbE x 2   GbE x 1   GbE x 2   GbE x 1  GbE x 2  
GbE x 5 BR/BR Pro  No  No  No  No 
Dual DOM    No  No  No  Yes  No  Yes  Yes  No  Yes  Yes  No  Yes  USB 2.0 x1 USB 2.0 x 2  USB 2.0 x4  USB 2.0 x 2 
USB (as host)   USB 2.0 x 4 (Target x 1)  USB 2.0 x 6 (Target x 1)  USB 2.0 x 3 (Target x 1)  USB 2.0 x 6 (Target x 1)  USB 2.0 x 4  USB 2.0 x 4   USB 2.0 x 4   USB 2.0 x 4  USB 2.0 x 4   USB 2.0 x 4  USB 2.0 x 3  USB 2.0 x 6  USB1.1 x1(for USB Printer) 
USB (as Target)   Yes  Yes  Yes  Yes  No  No  No  No  No  No  No  No  No  No  No  No 
eSATA    No  No  No 
PCI/PCIe slot   No  No  No  No  PCIe x1 (running at x1)  PCIe x8 (running at x1)  PCIe x1 (running at x1)  PCIe x1 (running at x2)  PCIe x8 (running at x1)  PCIe x1 (running at x2)  No  PCIe x4 (running at x1)  No  PCIe x1 (running at x1)  No  PCIe x1 (running at x1) 
Network Protocol/ Services   TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,DHCP Client  TCP/IP,CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP,FTP-SSL/TLS,DHCP Server,DHCP Client 
Supported Clients   Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix  Windows, Mac OS, Linux/Unix 
Wireless(Optional)   Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Wireless Dongle (AP Mode)  Yes  Wireless Dongle (AP Mode)  Yes  Wireless Dongle (AP Mode) 
File System                                  
  EXT3   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
  ZFS   No  Yes  No  No  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  Yes  No  No 
  XFS   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
Disk Management                                  
RAID Levels   RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)   RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)   RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0, 1, 5, 6, 10,JBOD, Supports Multiple RAID modes(Up to 3)   RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)   RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0,1,5,6,10 JBOD  RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0,1,JBOD  RAID 0, 1, 5, 6, 10,JBOD Supports Multiple RAID modes(Up to 3)  RAID 0,1,JBOD  RAID 0,1,5,JBOD 
  On-line Migration   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
  On-line Expansion   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
  Hot-swap   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  Hot-spare   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
  SMART Info   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  SMART Test   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  Bad Block Scan   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
iSCSI                                  
  iSCSI target   Up to 5 iSCSI targets under each file system   Up to 5 iSCSI targets under each file system   Up to 5 iSCSI targets under each file system   Up to 5 iSCSI targets under each file system   Up to 5 iSCSI targets under each file system   Up to 5 iSCSI targets under each file system  Up to 5 iSCSI targets under each file system  Up to 5 iSCSI targets under each file system  Up to 5 iSCSI targets under each file system   Up to 5 iSCSI targets under each file system  Yes  Up to 5 iSCSI targets under each file system  No  Yes  No  No 
  iSCSI Thin Provisioning   No  Yes  No  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
Stackable   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
Network Redundancy                                  
  Load-balance   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
  Fail-over   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
  802.3ad   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
System Management                                  
  LCD Display   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes(2.8" OLED + LCD)  No  Yes  Color LCD  Yes 
  Broswer-based UI   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  Yes  Yes 
  E-mail Notification   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  Wake up on LAN   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  Yes 
  Power management   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  NTP   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
Data Protection and Security                                  
  Snapshot   No  Yes  No  No  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  Yes  No  No 
  Remote Replication   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  RAID Volume Encryption   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  Yes  No  No 
  UPS support   RS-232  RS-232, USB  RS-232  RS-232, USB  RS-232, USB  RS-232, USB  RS-232, USB  RS-232, USB  RS-232, USB   RS-232, USB  USB  USB  No  USB  USB  No 
Secure FTP Server   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
UPnP Discovery   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
Printer Server   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
Media Servers                                  
  Media Server   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  Photo Alburm Server   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  iTunes   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  Downloan Manager   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
(BT/FTP/HTTP)        
  eMule   No  Yes  No  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes(2009/10)  Yes  Yes  Yes  Yes  Yes 
Network Security                                  
  Active Directory service   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  Yes 
  ACL (Share)   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  ACL (Sub Folder)   No  Yes  No  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes((v3.00.07E))  Yes  Yes  No 
  Folder quota   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
Backup Server                                  
Client side backup software   Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Smart Utility  Thecus Backup Utility  Thecus Smart Utility  Thecus Backup Utility 
FarStone DC5.0 PRO  FarStone DC5.0 PRO   FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO 
  Instant USB Backup   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  Bi-Directional USB Copy   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
Windows Utility                                  
  Setup Wizard   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Thecus Smart Utility  Yes  Thecus Smart Utility  Yes 
Backup Utility   Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Thecus Backup Utility Yes  Thecus Backup Utility Thecus Smart Utility  Thecus Backup Utility  Thecus Smart Utility  Thecus Backup Utility 
FarStone DC5.0 PRO  FarStone DC5.0 PRO   FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO  FarStone DC5.0 PRO 
MAC OS X Utility                                  
  Setup Wizard   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Thecus Smart Utility  Yes  Thecus Smart Utility  Yes 
  Backup Utility   Thecus Backup Utility  Thecus Backup Utility  Thecus Backup Utility   Thecus Backup Utility  Thecus Backup Utility  Thecus Backup Utility  Thecus Backup Utility  Thecus Backup Utility  Thecus Backup Utility   Thecus Backup Utility  Yes  Thecus Backup Utility  Thecus Smart Utility  Thecus Backup Utility  Thecus Smart Utility  Thecus Backup Utility 
Web Disk Mamagement   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
Simple surveillance server   IP CAM x 20  IP CAM x 20  IP CAM x 20  IP CAM x 20  IP CAM x 20  IP CAM x 20  IP CAM x 20  IP CAM x 20  IP CAM x 20   IP CAM x 20  IP CAM x 20  IP CAM x 20  Web CAM, IP CAM x 2  IP CAM x 20  IP CAM x 2  Web CAM, IP CAM x 20 
IP CAM / Web CAM        
Supported languages   11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)   11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)   11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)   11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish)  11(English, French, German, Italian, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, Russia, Polish) 
Others                                  
  ISO mount   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  Recycle Bin   No  Yes  No  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No 
  Web Server   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  Yes 
  MySql   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  Yes 
  User Module Interface   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes 
  AV out with 1080P supported   No  No  No  No  No  No  No  No  No  No  No  No  No  No  No  No 
Remote control for OSD operation        
Power Recovery   Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No  Yes  No  No 
Performance (NAS to 1 client)    Read: 32.1MB/s Read: 90.0MB/s Read: 90.0MB/s Read: 90.0MB/s Read: 90.1MB/s --  Read: 97.5MB/s Read: 90.1MB/s Read: 92.04MB/s Read: 97.5MB/s Read:57.1MB/s --  Read: 43.2MB/s --  Read: 35.57 MB/s Read: 52.4MB/s
Write: 38.3MB/s Write: 81.3MB/s Write: 81.3MB/s Write: 81.3MB/s Write: 83.2MB/s Write: 88.7MB/s Write: 83.2MB/s Write: 96.37MB/s Write: 88.7MB/s Write:44.5MB/s Write: 35.0MB/s Write: 19.51MB/s Write: 42.9MB/s
Iozone  Windows 7 Samba   Windows 7 Samba  Windows 7 Samba  Windows 7 Samba  Windows 7 Samba   Windows 7 Samba  Windows 7 Samba   Windows 7 Samba   Intel NAS Performance Toolkit V1.7.0  Intel NAS Performance Toolkit V1.7.0  IOmeter 2006.07.27  Iozone 
Performance (NAS to 64 clients)    --  542Mbps 542Mbps 542Mbps 543Mbps 680Mbps 844.7Mbps 543Mbps 640Mbps 844.7Mbps --  --  --  --  --  -- 
Net Bench 7.0.3  Net Bench 7.0.3  Net Bench 7.0.3  Net Bench 7.0.3  Net Bench 7.0.3  Net Bench 7.0.3  Net Bench 7.0.3  Net Bench 7.0.3  Net Bench 7.0.3 
Acoustic Noise   --  44.4 dB (Hitachi 3.5" 1TB x4)  37.8dB (Seagate 1.5TBx5)  32.5dB (Hitachi 3.5" 320GB x5)  34.5dB (Seagate 1.5TBx5)  36.8 dB (Seagate 3.5" 2TBx7)  34.5 dB (Seagate 1.5TBx5)  46.2dB (Seagate 1.5TBx8)  46.9dB (Seagate 3.5" 2TBx8)  46.2dB (Seagate 1.5TBx8)  23.9dB (Seagate 1.5TBx4)  --  22.5dB (WD 2.5" 500GB x2)  24 dB (Seagate 1.5TBx3) 25.4db (Seagate 3.5" 2TB x2)  24dB (Seagate 1.5TBx3) 
26.6 dB (WD 2.5 
Power Consumption    118W 68W 87W 82.14W 95.5W 111W 120.28W 151W 146W 168.27W 62.5W --  10.77W 2.5":22.66W (WD 2.5" 500GB X5) 23W 40W
(Seagate 1.5TB x4)  (Hitachi 3.5"" 1TB x4)  (Seagate 1.5TB x5)  (WD 3.5" 500GBx5)  (Seagate 1.5TB x7)  (Seagate 3.5" 2TB x7)  (Seagate SAS 146GB X7)  (Seagate 1.5TB x8)  (Seagate3.5" 2TB x8)  (Seagate SAS 146GB x8)  (Seagate 1.5TB x4)  (Seagate 320GB X2)  3.5":40.30W (WD 3.5" 500GB X3)  (Seagate 3.5" 2TB x2)  (Seagate 1.5TB x3) 
Power Supply   Redundant power supply 100~240VAC, 50/60Hz 250W Redundant power supply 100~240VAC, 50/60Hz 250W Server-rated AC Power Supply 100/220VAC, 50/60 Hz  200W Power Supply support 2TB and above HDDx5  Internal 300W Power Supply  Internal 300W Power Supply  Internal 300W Power Supply  Redundant 350W Power Supply  Redundant 350W Power Supply Redundant 450W Power Supply  Internal 200W power supply  External 19V 120 Watts AC power adaptor  External power adapter, Input: AC 100 ~ 240 Volt, 50/60 Hz Output: DC 5V/3A  External 12V 96 Watts AC power adaptor  External power adapter, Input: AC 100 ~ 240 Volt, 50/60 Hz Output: DC 12V/5A  External 12V 96 Watts AC power 
Single power supply 100~240VAC,50/60Hz 200W  Single power supply 100~240VAC,50/60Hz 200W  SP Mode:300W (Single Power Supply) 
Dimensions (mm):                                  
  Height   44  44  230  230  320  320  320  90  90  90  226  192  88  220  213.59  215 
  Width   430.5  430.5  190  190  210  210  210  428  428  428  165  250  63  175  115.17  172 
  Depth   567.6  567.6  230  240  270  270  270  586  586  586  192  172  133  160  139.2  158 
Weight (N.W. Kgs)   16.8  16.8  7.6  7.2  8.6  8.6  8.6  16  16  16  7.6  2.6  4.2