***Please Note: It is required that the Unit be connected to a Port Multiplier compatible eSATA Host Controller for the System to see all drives. It is assumed that the driver for the eSATA Host Cotroller is correctly installed.***

Storage Tower (black) with one 5X1 eSATA HPM (AD5SAHPM-EA) installed - Connects up to 5 drives to system via an eSATA port of any SATA controller. Can also connect to USB 2.0 port with optional eSATA-USB 2.0 adapter (AAU2ESA), Includes power cord, 4 4P-15 pins SATA power connectors (AA4PSAPC), 5 SATA data cables (AASAIDC18I) and user guide.
The Storage Tower is another innovative storage enclosure solution from Addonics that offers tremendous customization flexibility to fit practically any storage application that you can ever imagine. Comes with 4 standard 5 1/4" drive bays, a strong power supply and in a compact footprint, the Storage Tower can accommodate up to 4 full height optical drives or 6 3.5" hard drives; or a combination of these devices in various mixes. With choice of back panels featuring eSATA, SATA Multilane, USB, USIB or a mix of these connectors, various IDE, ATAPI or SATA devices installed into the Storage Tower. The drives inside the Storage Tower can be individually interfaced to computers via USB 2.0, Firewire, eSATA connection or can be combined via a Port Multiplier (PM) to form a large capacity, high performance external RAID system with redundancy to protect against data loss due to drive failure.

Using the back panel with eSATA or the latest SATA Multilane connectors, you can build yourself a high performance (up to 3 Gbits/sec using SATA II) external storage system or a terabyte storage farm, and connect it up to 6 feet away from the computer system! Any SATA devices inside the Storage Tower can be easily converted into eSATA (the latest external SATA standard). Each drive can be connected directly to a eSATA host controller for maximum throughput in any system. For better cable management, multiple SATA devices inside the Storage Tower can be connected to system via one cable by installing a Port Multiplier (PM) or a SATA Multilane bridge.

The Storage Tower with a built-in Hardware Port Multiplier (HPM) is an ideal external RAID storage solution for sharing by different computers. Once the HPM is configured, the entire RAID set can be attached to any eSATA port or USB port of any system. Click here for a Port Multiplier Tutorial.

With Addonics USIB interface on the back panel, any IDE or SATA device in the Storage Tower can be converted into USB 2.0 or Firewire connection by attaching the Addonics optional USIB interface cables.


  • Great for variety of storage applications - external RAID storage, Video storage, Server storage
  • 4 standard 5 1/4" drive bays
  • Available in silver and black
  • Accommodate up to maximum 4 standard ATAPI optical devices or 4 3.5" hard drives, 5 3.5" hard drives (requires the Disk Array 4SA and 1 mobile rack) or 6 3.5" hard drives (requires additional 2 Disk Array 3SA)
  • Back panels with the following connection choices or a combination:
    • 5x1 eSATA Hardware Port Multiplier-XA Enclosure Version (AD5HPMRXA-E) to connect up to 4 SATA/SATA II hard drives  to computer via any eSATA port. Can be configured as RAID 1, 0, 10, 5, 3, BIG, or Clone mode. (RAID setting is configured through onboard jumpers or included Windows software)
    • 4x1 eSATA/USB Hardware Port Multiplier (AD4SR5HPMU-E) to connect up to 4 SATA/SATA II hard drives  to computer via any eSATA or USB port. Can be configured as RAID 1, 0, 10, 5, 5+S, BIG2 or BIG4. (RAID setting is configured through an onboard rotary switch, no software is needed)
    • 5x1 eSATA Hardware Port Multiplier (AD5SAHPM-EA) to connect up to 5 SATA/SATA II hard drives  to computer via any eSATA port or with USB 2.0 port (requires optional eSATA to USB 2.0 adapter, AAU2ESA). Can be configured as RAID 1, 0, 1+0, JBOD or as individual drives**. (requires a PM compatible SATA controller for the initial RAID configuration)
    • 5X1 eSATA Port Multiplier (AD5SARPM-E) to connect up to 4 SATA/SATA II hard drives  to computer as via 1 eSATA port (requires a PM compatible SATA controller). Can be configured as RAID 1, 0, 1+0, RAID 5, JBOD or as individual drives.
    • Multilane bridge (AD4SAML) for the latest SATA Multilane connection to connect up to 4 SATA/SATA II hard drives to system via 1 Infiniband Multilane cable
    • JBOD USB (AD4IDEU2) to connect up to 4 IDE hard drives  as JBOD (1 large combined drive or 2 large combined drives), or 4 individual drives to computer via 1 USB 2.0/1.1 port
    • eSATA, USB 2.0 or Firewire interface
  • Stylish clear acrylic exterior
  • Light weight and sturdy aluminum construction
  • Compact size
  • Ventilated side panels for efficient air flow
  • Dual ball bearing high CFM low noise cooling fans
  • 220W 110/220 power supply
  • Individual drive can be hot swapped* when SATA Mobile Racks or Disk Array are installed into the drive bay

* For eSATA connection, hot swap feature depends on the controller. All Addonics SATA controllers support the hot swap feature. The Storage Tower can be powered down and restarted to swap out hard drive without rebooting the system.

**Independent drive configuration is only supported with controllers with Silicon Image SIL3124 or SIL3132 chip set or via USB port.

 IDE and SATA hard drive can be mixed in the Mini Storage Tower. IDE hard drives can be changed to SATA interface with the addition of IDE - SATA converter. SATA hard drives can be changed to IDE interface with the addition of SATA - IDE converter.



Drive Bays 4 standard 5 1/4" drive bays
Connectors on back panel

ST4SR5HPM, ST4SR5HPM-B - eSATA and USB 2.0 type B connector
ST5HPMES, ST5HPMES-B - 1 eSATA connector
-B - 1 eSATA connector
ST4SAML, ST4SAML-B - 1 MultiLane 4X connector
ST4IDEU2, ST4IDEU2-B - 1 USB 2.0 type B connector
ST4US, ST4US-B- 4 USIB connectors
ST4ESA, ST4ESA-B - 4 eSATA connectors
,STMPC-B - no back panel

Supported Operating Systems

USB 2.0/1.1 - Windows 98SE, Me, 2000, XP, 2003, Linux kernel 2.4 and higher, Solaris 9.0 and higher, Mac OS 10

Firewire/iLink - Windows 98SE, Me, 2000, XP, 2003, Mac OS 9.0

eSATA - DOS, Windows NT/SP6, 98SE, Me, 2000, XP, 2003, Linux kernel 2.4 and higher, Mac OS 10

Power Supply:

220 Watts 110/220V input

Cooling fan 2


9.1 lb (4.13 kg)


8.19 x 12.94 x 8 inch (W x D x H)

Operating Humidity:

20% - 80%

Operating Temperature:

5C - 35C


One Year

The compatibility of ATAPI DVD+/-RRW and CDRW drives connecting to USB or Firewire depends on several factors: the firmware in the ATAPI drive, the software, OS and the USB 2.0 electronics. We have tested a number of drives in this enclosure using Nero Express software and Cyberlink PowerDVD. The table below summarizes the list of drives that have been tested to work with this enclosure. It is not possible for us to test all the different models of ATAPI devices out in the market. We will constantly update this list whenever new device has been tested. We cannot guarantee that all ATAPI devices will work in this enclosure. If you are installing a device that is not in the list below, make sure you are using the latest version of software and firmware to ensure better compatibility. We apologize that we cannot offer technical help on devices that are not in our list.

System Requirements

  • PC/AT or Compatible System
  • One of the following IO ports: eSATA, USB 2.0/1.1, or Firewire/iLink port
  • Pentium II 350 MHz or Greater
  • Minimum 64 MB RAM

No additional files, specification sheets, guides or documentation found for product.

Warranty: 1 Year Return to Base

Full manufacturers warranty details are available at the manufacturers (Addonics) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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