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The 5X1 External Port Multiplier (EPM) is the ideal solution for attaching large number of external hard drives to a computer. Designed on the same ASIC as used in the Addonics field proven 5X1 Rack Mounted PM, this EPM can connect up to 5 external eSATA hard drives to any system via one eSATA port. The 5 external hard drives can be configured as RAID 0, 1, 5, 10 or combined as 1 large volume or to appear as 5 individual drives to the system. When used in conjunction with one of the Addonics 4-port eSATA controller, a whooping 20 hard drives can be instantly attached to your system externally using 4 EPMs.

The hot swap capability of the EPM also allows external hard drives to be conveniently attached or removed from the system on the fly while the system continues operating. The EPM is constructed in a heavy gauge metal housing with ventilation on the side for efficient heat dissipation. Comes with convenient mounting hole on the bottom and a small power adapter, the EPM can install easy in various computing environment

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Product Features
  • Connect up to 5 eSATA hard drives via 1 eSATA port externally. Click here for a list of all the Addonics eSATA drive enclosures.
  • Compact and attractive metal housing
  • Up to 3.0Gbps (backwards compatible with 1.5Gbps)
  • Drives can be configured as RAID 0, 1, 0+1, 5 or JBOD when connect to one of the Addonics RAID5 controllers with PM support
  • LED for Power, Host, and each individual eSATA device with drive activity indication
  • Compliant with SATA II external specification
  • Support hot swap
  • Support eSATA optical drive
  • OS independent*

* External eSATA Port Multiplier requires connection to a PM(Port Multiplier) compatible eSATA controller. Check with your system supplier to confirm the PM support on your existing SATA port. Port Multiplier may require a utility to configure the drives to be seen inside the operating system.

Seagate FreeAgent eSATA hard drive is not compatible with this EPM at this time.


  • 5x1 eSATA Port Multiplier in external metal casing
  • Shielded and durable eSATA connector for host connection
  • Full support for FIS-based switching and command-based switching SATA host controllers
  • Advanced data aggregation architecture for ultra-fast read and write operations with FIS-based switching controllers
  • LED for Power, Host, 5 Devices with drive activity indication
  • Auto-negotiation support for 1.5Gbps and 3.0Gbps eSATA
  • Supports logical volumes above 2TB (requires a compatible operating system and eSATA controller)
  • Compliant with SATA II external specification
  • Support Hot-Swapping
  • Support ATAPI device
  • OS independent
  • Dimensions: (W x D x H) - 5.32 x 2.56 x .98 in. (135mm x 65mm x 25mm)
  • Weight: 134g (0.3lb)
  • Operating temperature range: 0 C to +70 C
  • Operating humidity range: 5% to 90%
  • Storage temperature range: -40 C to +85 C
  • Storage humidity range: 5% - 95% (non condensing)
  • 1 year warranty

Specification Sheets / Installation guides / Associated files

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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