Up to 6 (Pegasus R6) /4 (Pegasus R4) SATA HDDs
2 x Thunderbolt technology Ports at 10 Gb/s (1.25GB/s)
Supports RAID 0, 1, 5, 6 , 50
Providing over 800MB/s (Pega. R6)/ 500MB/s (Pega. R4)
Capacity: + Pegasus R6:.
6 x 2TB: 12TB of raw capacity (9.7TB HFS+)
6 x 3TB: 18TB of raw capacity (14.4TB HFS+)
6 x 4TB: 24TB of raw capacity (19.2TB HFS+)H
Supports OS X 10.6 and later
Support Windows 7 and Windows 8
Thunderbolt Pegasus R4/R6 Promise Technology
Pegasus R4 tecnology
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Drive type
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External Thunderbolt hard drive
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Connector options
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Thunderbolt
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Available capacities
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4TB, 8TB
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Product dimensions (LWH)
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7.3x7.7x9.9 inches
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Weight
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15.3 lbs
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Capacity of test unit
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4TB
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OSes supported
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Mac OS X 10.6.8 or later / Windows 7 or later
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Software included
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WebPAM PROe (Windows) / Pegasus Utility (Mac)
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Pegasus R4 and R6 are the First 4-bay and 6-bay High Performance Hardware RAID Solutions 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.
Features and Benefits
Lightning Fast Performance
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With I/O rates of over 800 MB/s, Pegasus delivers a massive and unprecedented leap in performance, allowing amateur professionals, 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 (8-bit and 10-bit) video, while protecting valuable workflows, audio sessions, and other creative media content, with PROMISE'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.
Flexible Connectivity
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.
Cable to Join
Fast, Safe and Reliable
Digital Media consumption is growing at an astonishing rate, and is part of everyone's life. Featuring, two, high performance, 10Gb/s bi-directional channels, and PROMISE enterprise-level RAID 6 protection, Pegasus provides fast, safe, and reliable external storage, essential for protecting your music, photos, videos, and other valuable data. Pegasus provides massive storage, and fast performance for popular applications, including Final Cut Pro, Garageband, iTunes, iPhoto, and Photoshop. Pegasus can be used, in conjunction with Apple's Time Machine utility (in OS X), to store backups of invaluable digital media, documents, or an entire computer (or workstation).
Easy to Use
Pegasus comes pre-configured out of the box. Simply unpack, supply power, and connect the Thunderbolt cable (currently, only available from Apple) to the Thunderbolt port on your computer, and you will be ready to either ingest/edit production video, or store all your important documents, music, photos, and videos. Management of Pegasus is made possible through an easy to use, all new, made-for-OS X GUI utility.
One More Thing, Eco-Friendly.
Pegasus is RoHS compliant; in simple terms Pegasus is eco-friendly, keeping harmful lead out of the environment and our delicate ecosystems. Consuming a mere 78 watts under full load with six hard drives installed, Pegasus uses roughly 26% of the power consumed by the average 300 watt power supply in standard computers. Sporting a new enclosure design, an 80Plus power supply and a smart cooling fan, system noise is never an issue making Pegasus ideal for desktop, small office environments and or any room in the home.
Key Highlights
- Hot-swappable Direct Attached Storage with Thunderbolt technology
- Supports Time Machine in Mac OS X
- Supports RAID 0, 1, 5, 10
- 2 x Thunderbolt technology Ports at 10 Gb/s (1.25GB/s)
- Providing over 900MB/s (Pegasus R6)/ 600MB/s (Pegasus R4)
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Promise
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Pegasus R4 4 TB
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Pegasus R4 8 TB
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Pegasus R6 6 TB
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Pegasus R6 12 TB
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Devices
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4 x 1 TB
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4 x 2 TB
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6 x 1 TB
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6 x 2 TB
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Hard Drive
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Hitachi 7K1000.D
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Hitachi 7K3000
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Hitachi 7K1000.D
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Hitachi 7K3000
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The four-bay version of Promise's Pegasus is more affordable, offered in 4 and 6 TB configurations. You'll pay $1150 for the 4 TB R4 (versus $1800 for the entry-level 6 TB R6). Aside from its lower price and two-fewer drive bays, there's very little else distinguishing the R4 and R6 families. Promise even uses the same Hitachi Deskstar hard drives in them both.
Crack open the R4 and you find the same motherboard and power supply seen in the R6.
Eliminating two drive bays from the R6 does impact performance, though. In RAID 0, the R4's sequential reads top out at ~635 MB/s, representing a closet-to 33% drop from the R6. Sequential writes in RAID 0 only drop about 18%, from 635 MB/s to 535 MB/s.
RAID 1E and RAID 5 performance are mostly unchanged. The only exception is that sequential reads in RAID 5 peak at ~460 MB/s, about a 70% drop from the R6’s 780 MB/s.
Hard Drive
REAL-WORLD TESTS
The Pegasus copied a 23 GB file from the Mac Pro’s internal drive to the Pegasus at more than 800 MB/second. I ALWAYS want file transfers to go faster, but these are excellent numbers.
The Pegasus duplicated a 23 GB file stored on the Pegasus back onto the Pegasus at about 550 MB/second. This is slower because the file needs to be read from the RAID, then written back to the RAID all at the same time.
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