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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 IV is built basing on the Storage Tower 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 six 3.5" hard drives can be installed into the RAID Tower IV. 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 IV basic specification
- Great for variety of storage applications - external RAID storage, Video storage, Server storage
- Sturdy and attractive black metal frame construction with carrying handle
- Compact size - 8.19 x 12.94 x 8 inch (W x D x H)
- Stylish clear acrylic exterior
- Light weight and sturdy aluminum construction
- Ventilated side panels for efficient air flow
- Ball bearing high CFM low noise cooling fans
- 220W 110/220 power supply
- LED indicators for each storage device, RAID status, host connection and power
Features for various models
| Model |
Features |
RTIV35M2SAH $349 

Click for detailed illustration |
- Install up to three 3.5" SATA hard drives of any capacity (drives not included).
- Install up to two 2.5" SATA hard drive 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), 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).
Components list made up this model:
Storage Tower (STMPC-B with SCSI-I back panel),
5X1 eSATA / USB 2.0 Hardware Port Multiplier (AD5SAHPM-EA), 3 units Snap-In Mobile Rack (AESNAPMRSA), 1 unit Snap-In Double Drive (AE25SNAP2SA), USB 2.0 to eSATA Adapter (AAU2ESA), 3 feet eSATA cable (AAESATA100C) |
RTIV435DCSR5 $369 

Click for detailed illustration |
- Install up to four 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 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.
- 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.
Components list made up this model:
Storage Tower (STMPC-B with SCSI-I back panel),
4X1 eSATA / USB 2.0 Hardware Port Multiplier (AD4SR5HPMU-E), 4 units Diamond Drive Cartridge System for SATA hard drive (DDCSSAS), 6 feet A-B USB cable (AAUSBAB6F), 3 feet eSATA cable (AAESATA100C) |
RTIV435SMR5 $319 

Click for detailed illustration |
- Install up to four 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 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.
Components list made up this model:
Storage Tower (STMPC-B with SCSI-I back panel),
4X1 eSATA / USB 2.0 hardware Port Multiplier (AD4SR5HPMU-E), 4 units Snap-In Mobile Rack (AESNAPMRSA), 6 feet A-B USB cable (AAUSBAB6F), 3 feet eSATA cable (AAESATA100C) |
RTIVHX535 $369
NEW
Click for detailed illustration |
- Install up to five 3.5" SATA hard drives of any capacity (drives not included).
- 4 drives are installed onto drive tray that can be added or removed like tape cartridge from each drive bay, one drive can be added or removed like tape cartridge from the 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 RAID0 (Striping), RAID1 (Mirroring), RAID 5 (Parity), RAID10 (Mirrored Striped), JBOD (Concatenation), Clone Mode (N-Way Mirror) using built-in hardware RAID.
- RAID setting via a rotary switch on the back.
- OS independent, can be used on any system.
- RAID diagnostic via LED lights
Components list made up this model:
Storage Tower (STMPC-B with SCSI-I back panel),
5X1 HPM-XA Enclosure Version (AD5HPMRXA-E), one Disk Array 4SA (AE4RCS35NSA), one Snap-In Mobile Rack (AESNAPMRSA), USB 2.0 to eSATA Adapter (AAU2ESA), 3 feet eSATA cable (AAESATA100C) |
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* 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 page and custom built your own using the wide assortment of Addonics components.
Comparison Chart and shop online
| |
RTIV35M2SAH |
RTIV435DCSR5 |
RTIV435SMR5 |
RTIVHX535 |
Price |
$349  |
$369  |
$319  |
$369  |
| Maximum number of drives installable |
| 3.5" SATA |
3 |
4 |
4 |
5 |
| 2.5" SATA or SSD |
2 |
Yes (with optional bracket) |
N/A |
N/A |
| 3.5" IDE |
N/A |
Yes (with optional IDE drive enclosure, model: DICSB) |
N/A |
N/A |
| 2.5" IDE |
N/A |
Yes (with optionalIDE drive enclosure, model: DICSB and 2.5" connector kit) |
N/A |
N/A |
| Connection to System |
| Via any eSATA port |
Yes |
Yes |
Yes |
Yes |
| Via USB 2.0 port |
Yes |
Yes |
Yes |
Yes |
Via any PM-compatible
eSATA port |
Yes |
Yes |
Yes |
Yes |
| Supported type of RAID |
| RAID 1, RAID 0 |
Yes |
Yes |
Yes |
Yes |
| RAID 10 |
Yes |
Yes |
Yes |
Yes |
| BIG (SPAN) |
Yes |
Yes |
Yes |
Yes |
| RAID 5 over 4 drives |
N/A |
Yes
|
Yes
|
N/A |
| RAID 5 |
N/A |
Yes |
Yes |
Yes |
| RAID 5+S |
N/A |
Yes
|
Yes
|
Yes |
| Clone mode |
N/A |
N/A |
N/A |
Yes |
JBOD
(individual drive) |
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 computer software by connecting through USB or PM-compatible controller |
via onboard rotary switch |
via onboard rotary switch |
via computer software or onboard jumpers |
| Integrated Port Multiplier |
AD5SAHPM-EA |
AD4SR5HPMU-E |
AD4SR5HPMU-E |
AD5HPMRXA-E |
RAID setup software
utility support |
available for Windows, Mac OS, or Linux |
Not required |
Not required |
available for Windows |
| RAID Diagnostics |
via software |
via LED lights |
via LED lights |
via software or LED lights |
| Drive installation |
direct drive
insertion |
5 drives |
N/A |
N/A |
1 drive |
via removable
drive drawer |
N/A |
N/A |
4 drives |
4 drives |
via removable
drive enclosure |
N/A |
4 drives |
N/A |
N/A |
Hot Swappable
Drives |
Yes |
Yes |
Yes |
Yes |
| Supported OS |
OS Independent |
OS Independent |
OS Independent |
OS Independent |
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Specification subjects to change without notice
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