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Promise Technology 4.0TB Pegasus R4 RAID Thunderbolt Storage Solution

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Product code: *PT-R44X1TB

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Promise Technology


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4-bay High Performance Hardware RAID Solution designed to unleash the raw power of Thunderbolt. (PR401US)

Promise Technology
4.0TB Pegasus R4 RAID Storage
2 Port Thunderbolt Interface | Video Pass Through | Daisy-Chainable

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                        <p>The Pegasus R4 is the first 4-bay High Performance Hardware RAID Solution designed to unleash the raw power of Thunderbolt™ technology. Thunderbolt technology is a new, high-speed, dual-protocol I/O technology designed for performance, simplicity, and flexibility. This high-speed I/O technology is capable of delivering a blistering two channels of 10 Gb/s (1.25GB/s) per port of performance.</p>
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                        <p class=*Thunderbolt and the Thunderbolt logo are trademarks of Intel Corporation in the U.S. and/or other countries.

With I/O rates of over 800 MB/s, Pegasus delivers a massive and unprecedented leap in performance, allowing prosumers, audio engineers, photographers, and post production engineers, to unleash the raw power of Pegasus, enabled with Thunderbolt Technology. Final Cut professionals can ingest, edit, and playback, multiple streams of uncompressed HD (10-bit and 12-bit) video, while protecting valuable workflows, audio sessions, and other creative media content, with Promise Technology's award winning, enterprise level, RAID6 engine (features mature error handling schemes for the ultimate in data protection). Graphic artists utilizing Photoshop and Maya 3D animation can both manipulate and archive high resolution graphics on Pegasus, with relative ease and lightning fast responsiveness.

The multi-protocol support of Thunderbolt Technology enables Pegasus to deliver amazing flexibility. Daisy-chain more than one Pegasus enclosures to a single Thunderbolt technology port or connect a display to Pegasus for the ultimate in convenience and interface connectivity.

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Package Includes
  • Pegasus 4-Bay RAID Enclosure
  • Power Cable
  • Quick Start Guide

Thunderbolt Cable NOT included.

            <td style=
Interfaces Supported
  • Thunderbolt
RAID / JBOD Support
  • Supports RAID 0, 1, 5, 50, 6 and 10
Standard Mechanism
  • 4 x 1.0TB SATA 3.5" HDD
Drive Rotation Speed
  • 7200RPM
Drive Cache Size
  • 32MB per drive
Port Configuration
  • Thunderbolt - 2 Thunderbolt ports
  • Unformatted. For instructions on formatting click here.
Max Data Transfer Rate
  • Thunderbolt - 10Gbit/s (or 1250MB/s)
Macintosh System Requirements
  • Mac OS X v10.6.8 or later
  • 100MB of free hard-drive space
  • Mac with Thunderbolt port
  • Thunderbolt cable (sold separately)
Software Included
  • None
Power Supply
  • AC Voltage: 90-100W with PFC, 100-230V auto-ranging, 50-60Hz AC
Power Consumption
  • 78W max load (read and write); 55W idle mode
  • 2 Year Promise Technology Warranty
Dimensions Width: 7.7 in./19.5 cm
Length: 7.3 in./18.5 cm
Height: 9.9 in./25.0 cm
Weight 15.3 lb./6.9 kg

*Specifications may change without notice

Click here to get your Model Identifier number
This product is compatible with:

Machines Have Model Identifier MacBookAir4,2

MacBook Air (13-inch Mid 2011, 1.7GHz, 1.8GHz)
(July, 2011)


Machines Have Model Identifier MacBookAir4,1

MacBook Air (11-inch Mid 2011, 1.6GHz, 1.8GHz)
(July, 2011)


Machines Have Model Identifier Macmini5,3

Mac mini (Mid 2011 Server, 2.0GHz)
(July, 2011)


Machines Have Model Identifier Macmini5,1

Mac mini (Mid 2011, 2.3GHz, 2.5GHz, 2.7GHz)
(July, 2011)


Machines Have Model Identifier iMac12,2

iMac (27-inch Mid 2011, 2.7GHz, 3.1GHz, 3.4GHz)
(May, 2011)


Machines Have Model Identifier iMac12,1

iMac (21.5-inch Mid 2011, 2.5GHz, 2.7GHz, 2.8GHz)
(May, 2011)


Machines Have Model Identifier MacBookPro8,1

MacBook Pro (13-inch Early 2011, 2.3GHz, 2.7GHz)
(February, 2011)


Machines Have Model Identifier MacBookPro8,2

MacBook Pro (15-inch Early 2011, 2.0GHz, 2.2GHz, 2.3GHz)
(February, 2011)


Machines Have Model Identifier MacBookPro8,3

MacBook Pro (17-inch Early 2011, 2.2GHz, 2.3GHz)
(February, 2011)


Additional Information

Colour Silver
Capacity 4.0TB
RPM 7200
Number of Bays/Drives 4
Type No
Model Identifier N/A
Connection Thunderbolt 1 (10Gb/s)
Form Factor 3.5 inch
Manufacturer Promise Technology
Manufacturer P/N PT-R44X1TB
Shipping Restriction N/A

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