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Pegasus R4 8tb Raid Thunderbolt Hw Raid Solution / Mfr. no.: PR402US

Pegasus R4 8tb Raid Thunderbolt Hw Raid Solution / Mfr. no.: PR402US
Qty. Available: 1
Item Number: pro-pr402us
Vendor Number: PR402US
Vendor: Promise Technology
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Promise Pegasus R4 is the first four-bay high-performance hardware RAID solutions designed to unleash the raw power of Thunderbolt. Pegasus R4 features four 2TB 7200-rpm hard drives in a compact hardware RAID enclosure with Thunderbolt connectivity, delivering over 500MB/s of disk performance.

  • 8TB of raw capacity
  • Advanced RAID engine
  • Supports RAID 0, 1, 5, 50, 6, 60 and 10
  • Attractive, stylish, and compact enclosure
  • Ultra-quiet design Two Thunderbolt ports

Thunderbolt technology is a new, high-speed, dual-protocol I/O technology designed for performance, simplicity and flexibility. Capable of delivering a blistering two channels of bi-directional 10 Gbit/s (1.25GB/s) per port of performance, Thunderbolt technology combines PCI Express and Display port into an interface using a single cable for connectivity to devices. Thunderbolt technology was developed by Intel and brought to market with technical collaboration from Apple.

Pegasus R4 is ideal for creative pro workstations, small servers, power users and consumers who desire stylish high-capacity external storage with high performance and enterprise level data protection. Pegasus R4 is capable of delivering over 500 MB/s of bandwidth that is 10 times faster than USB 2.0.

Easy to Use management software

Pegasus R4 comes preconfigured out of the box. Simply unpack, connect the power cable, connect the Thunderbolt cable (sold separately) to the Thunderbolt port on your computer and you're ready to store music, photos, videos and documents or create and edit production video. Managing Pegasus R4 is effortless with software designed for Mac OS X.

Storage for the Digital Home

With two channels of bi-directional 10 Gbit/s performance Thunderbolt allows you to back up your computer while editing the video of your summer holiday and listening to an iTunes playlist. Fast, safe and reliable external storage is essential to protect your music, photos, videos and other valuable data. Pegasus R4 provides massive storage space and fast performance for popular applications such as iTunes, iPhoto, iMovie, Garageband, Photoshop and media center applications. Backup your invaluable digital media, documents and also your entire computer or workstation to Pegasus R4 with Time Machine in Mac OS X.

Blistering performance and unparalleled flexibility

With over 500 MB/s of performance Pegasus R4 with Thunderbolt delivers a massive and unprecedented leap in raw power and performance for amateur professionals, audio engineers, photographers and video post production engineers. 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's award-winning enterprise level RAID 6 engine featuring mature error-handling schemes for the ultimate in data protection. Graphic artists using Adobe Photoshop and Maya 3D animation software can manipulate and archive high-resolution graphics on Pegasus with lightning-fast responsiveness and relative ease.

Thunderbolt technology's multi-protocol support enables Pegasus R4 to deliver amazing flexibility. Daisy-chain more than one Pegasus R4 enclosure to a single Thunderbolt port or connect a display to Pegasus R4 for the ultimate in convenience and interface connectivity.

Hardware RAID protection for small business

Protect your valuable business data with a reliable hardware RAID solution. You can use Pegasus R4 as large storage for a desktop system or as external storage solution for a small server. With 6TB of storage in RAID 5, you'll have the capacity you need for data and backups with the protection of hardware RAID.

Cost-effective expandable storage for home use

In today's digital world, you consistently acquire and amass large amounts of personal digital media using smart phones and digital cameras, in addition to downloadable digital media acquired through online stores such as iTunes. The Pegasus R4 can protect all these memories meant to last a lifetime from single drive failures, at the same time it's providing data protection, high availability and high reliability.

Flexible backup solution

Connect Pegasus R4 to your Mac for use with Time Machine to back up your critical system files, applications, data files, music, pictures and videos.

Ultra-quiet and eco-smart

Pegasus R4 is eco-friendly, keeping harmful lead out of the environment and our delicate ecosystems. Sporting a new enclosure design, an efficient power supply and active fan management, system noise is never an issue - making Pegasus R4 ideal for desktop, small office or any other home environment.

General Information

ManufacturerPromise Technology
Manufacturer Part NumberPR402US
Manufacturer Website Address
Product LinePegasus
Product SeriesR4
Product ModelPR402US
Product NamePegasus R4 DAS Hard Drive Array
Product TypeDAS Array


Number of Hard Drives Supported4
Number of Hard Drives Installed4
Total Hard Drive Capacity Installed8 TB
Hard Drive RPM7200


RAID Levels0, 1, 5, 6, 10

I/O Expansions

Number of Total Expansion Bays4


Drive InterfaceSerial ATA
Host InterfaceThunderbolt

Physical Characteristics



Green CompliantYes
Green Compliance Certificate/AuthorityRoHS
Country of OriginTaiwan


Limited Warranty2 Year