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All is needed is to add the hard drive of your choice to create your own powerful external RAID storage.

The RAID Tower II is built basing on the Storage Tower II platform that features two 5.25" drive bays in a lightweight and compact chassis with a stylish and functional front bezel. Depending on the model, up to three 3.5" hard drives or as many as five 2.5" hard drives can be installed into the RAID Tower II. The drives can be configured as a RAID set and be connected to the computer via a single USB 2.0 or the high speed eSATA connection. Each model comes with everything needed for connecting to the computer. All is needed is to add your own hard drives and configure the RAID via either a simple on board rotary switch or software utility depending on the model of the RAID Tower.

RAID Tower II basic specification

  • Sturdy metal frame construction
  • Compact size - 7.48 x 10.63 x 6.5 inch (190 x 270 x 16.5 mm) (W x D x H)
  • Ventilated front panel for efficient air flow.
  • Low noise high CFM ball bearing cooling fan
  • Integrated 80W 110/240 auto-sense power supply
  • LED indicators for each storage device, RAID status, host connection and power

Features for various models

Model Features and package content

RTII235SMH  $199 click to check price and order onlineclick to see more detail
Click for detailed illustration
  • Install up to two 3.5" SATA hard drives of any capacity (drives not included).
  • Drives are added or removed like tape cartridge from each drive bay with no special tool required.
  • Connect to system via USB 2.0 or eSATA port (connecting cables included).
  • Drives can be configured as FAST (RAID0 Striping), SAFE (RAID1 Mirroring), JBOD* (Just a Bunch Of Disks or individual drive), BIG (combined single volume), SAFE50, SAFE33.
  • RAID setting via a rotary switch on the back.
  • OS independent, can be used on any system.
  • RAID diagnostic software utility (for Windows, Mac and Linux).
Package content - components list made up this model:
Storage Tower II (STII-B with SCSI-I back panel), 2X1 eSATA / USB 2.0 Hardware Port Multiplier
(AD2SAHPMEU), 2 units Snap-In Mobile Rack (AESNAPMRSA), 6 feet A-B USB cable (AAUSBAB6F), 3 feet eSATA cable (AAESATA100C), power cord, user guide

RTII235DCSH  $215 click to check price and order onlineclick to see more detail
Click for detailed illustration
  • Install up to two 3.5" SATA hard drives of any capacity (drives not included).
  • Drives are installed onto drive enclosures that can be added or removed like tape cartridge from each drive bay.
  • Connect to system via USB 2.0 or eSATA port (connecting cables included).
  • Drives can be configured as FAST (RAID0 Striping), SAFE (RAID1 Mirroring), JBOD* (Just a Bunch Of Disks), BIG (combined single volume), SAFE50, SAFE33.
  • RAID setting via a rotary switch on the back.
  • OS independent, can be used on any system.
  • RAID diagnostic software utility (for Windows, Mac and Linux).
  • Can install 3.5" IDE hard drive using optional Diamond IDE drive enclosure. 2.5" SATA or IDE hard drives can also be install with optional bracket and connector adapter.
Package content - components list made up this model:
Storage Tower II (STII-B with SCSI-I back panel), 2X1 eSATA / USB 2.0 Hardware Port Multiplier
(AD2SAHPMEU), 2 units Diamond Drive Cartridge System for SATA hard drive (DDCSSAS), 6 feet A-B USB cable (AAUSBAB6F), 3 feet eSATA cable (AAESATA100C), power cord, user guide

RTII3DAR5  $259 click to check price and order onlineclick to see more detail
Click for detailed illustration
  • Install up to three 3.5" SATA hard drives of any capacity (drives not included).
  • Drives are installed onto drive tray that can be added or removed like tape cartridge from each drive bay.
  • Optional 4th drive attached externally via eSATA port on the back.
  • Connect to system via USB 2.0 or eSATA port (connecting cables included).
  • Drives can be configured as FAST2 (2 drive RAID 0 Striping),, SAFE2 (2 drives RAID1 Mirroring), BIG 2 (2 drives Concatenation), 3 drives in RAID 5, or 4 drives in RAID 5 with optional 4th drive attached..
  • RAID setting via a rotary switch on the back.
  • OS independent, can be used on any system.
  • RAID diagnostic via LED lights.
  • Optional 4th drive can be attached via the eSATA port on the back using external eSATA drive, This 4th drive can be combined with the three drives in the RAID Tower to form FAST4 (4 drive RAID 0 Striping), BIG 4(4 drives Concatenation), SAFE FAST (RAID 1+0 Mirrored Stripped), RAID 5 over 4 drives, or RAID 5+S.
Package content - components list made up this model:
Storage Tower II (STII-B with SCSI-I back panel), 4X1 eSATA / USB 2.0 Hardware Port Multiplier (AD4SR5HPMU-E), 1 Disk Array 3SA (AE3RCS35NSA), 1 eSATA port (AASATAB-e), 6 feet A-B USB cable (AAUSBAB6F), 3 feet eSATA cable (AAESATA100C), power cord, user guide

RTII425SMR5  $249 click to check price and order onlineclick to see more detail
Click for detailed illustration
  • Install up to four 2.5" SATA hard drives or SSD of any capacity (drives not included).
  • Drives are installed onto drive tray that can be added or removed like tape cartridge from each drive bay.
  • Connect to system via USB 2.0 or eSATA port (connecting cables included).
  • Drives can be configured as FAST2 (2 drive RAID 0 Striping),, SAFE2 (RAID1 Mirroring), SAFE FAST (RAID 1+0 Mirrored Stripped), BIG 2 (2 drives Concatenation), FAST4 (4 drive RAID 0 Striping), BIG 4(4 drives Concatenation), RAID 1+0, RAID 5 over 4 drives, or RAID 5+S.
  • RAID setting via a rotary switch on the back.
  • OS independent, can be used on any system.
  • RAID diagnostic via LED lights.
Package content - components list made up this model:
Storage Tower II (STII-B with SCSI-I back panel), 4X1 eSATA / USB 2.0 Hardware Port Multiplier (AD4SR5HPMU-E), 2 units Snap-In Double Drive (AE25SNAP2SA), 6 feet A-B USB cable (AAUSBAB6F), 3 feet eSATA cable (AAESATA100C), power cord, user guide

RTII525DAH  $299 click to check price and order onlineclick to see more detail
Click for detailed illustration
  • Install up to four 2,.5" SATA hard drives or SSD and one 3.5" SATA hard drives of any capacity (drives not included).
  • Drives are added or removed like tape cartridge from each drive bay.
  • Connect to system via USB 2.0 or eSATA port (connecting cables included).
  • Drives can be configured as FAST (RAID0 Striping), SAFE (RAID1 Mirroring), JBOD* (Just a Bunch Of Disks or individual drive), BIG (combined single volume), SAFE FAST (RAID 1+0 Mirror Stripped).
  • RAID setting via software utility under Windows, Mac OS or Linux.
  • OS independent, can be used on any system when all drives are configured as a single RAID volume.
  • RAID diagnostic software utility (for Windows, Mac and Linux).
Package content - components list made up this model:
Storage Tower II (STII-B with SCSI-I back panel), 5X1 eSATA Hardware Port Multiplier (AD5SAHPM-EA), one 2.5" Disk Array 4SA (AE4RCS25NSA), one Snap-In Mobile Rack (AESNAPMRSA), one eSATA - USB adapter (AAU2ESA), 3 feet eSATA cable (AAESATA100C), power cord, user guide

* Note: JBOD setting requires connection to USB or PM compatible controller.

If none of the above models has the right feature that meet your requirement, you may visit the Storage Tower II page and custom built your own using the wide assortment of Addonics components.

Comparison Chart and shop online

 
RTII235SMH
RTII235DCSH
RTII3DAR5
RTII425SMR5
RTII525DAH
Price
$199 click to check price and order online
$215 click to check price and order online
$259 click to check price and order online
$249 click to check price and order online
$299 click to check price and order online
Maximum number of drives installable
3.5" SATA 2 2 3 NA 1
2.5" SATA or SSD N/A Yes (with optional bracket) N/A 4 4
3.5" IDE N/A Yes (with optional IDE drive enclosure, model: DICSB) N/A N/A N/A
2.5" IDE N/A Yes (with optional IDE drive enclosure, model: DICSB and 2.5" connector kit) N/A N/A N/A
Connection to System
Via any eSATA port Yes Yes Yes Yes Yes
Via USB 2.0 port Yes Yes Yes Yes Yes
Via any PM-compatible
eSATA port		 Yes Yes Yes Yes Yes
Supported type of RAID
RAID 1, RAID 0 Yes Yes Yes (2 drives) Yes Yes
RAID 10 N/A N/A Yes (requires optional 4th drive) Yes Yes
BIG (SPAN) Yes Yes Yes (2 drives) Yes Yes
RAID 5 over 4 drives N/A N/A
 Yes
(optional 4th drive must be attached)		 Yes N/A
RAID 5+S N/A N/A
 Yes
(optional 4th drive is for the spare drive)		 Yes N/A
JBOD
(individual drive)		 Yes (when connected to USB or PM compatible controller) Yes (when connected to USB or PM compatible controller) N/A N/A Yes (when connected to USB or PM compatible controller)
RAID Setup via onboard rotary switch via onboard rotary switch via onboard rotary switch via onboard rotary switch via software and by connecting to system through USB or PM-compatible controller
Integrated Port Multiplier AD2SAHPMEU AD2SAHPMEU AD4SR5HPMU-E AD4SR5HPMU-E AD5SAHPM-EA
RAID setup software
utility support		 available for Windows, Mac OS, or Linux available for Windows, Mac OS, or Linux Not required Not required available for Windows, Mac OS, or Linux
RAID Diagnostics via software via software via LED lights via LED lights via software
Drive installation
direct drive
insertion		 2 drives N/A N/A 4 drives 1 drive
via removable
drive drawer		 N/A N/A 3 drives N/A 4 drive
via removable
drive enclosure		 N/A 2 drives N/A N/A N/A
Hot Swappable
Drives		 Yes Yes Yes Yes Yes
Supported OS OS Independent OS Independent OS Independent OS Independent OS Independent

Specification subjects to change without notice


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