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PROMISE Pegasus3 Series with Thunderbolt 3 Technology
Pegasus3 now includes powerful backup software powered by ChronoSync

PROMISE Pegasus3 Series

Sorry, this product is no longer available, replaced by the Pegasus32.


Pegasus3Pegasus3 Series with Thunderbolt 3 technology delivers incredible speed and performance for HD and 4K video editing, creative workflow with ease of use and performance optimization.

Get the most out of your Pegasus3 with ChronoSync Pegasus Edition software bundled with every Pegasus3. ChronoSync Pegasus Edition allows you to backup your data, clone your hard drive, sync files between two computers and store redundant backups in the cloud. For existing Pegasus3 owners please visit the Promise eStore to purchase ChronoSync Pegasus Edition at an attractive price.

Pegasus3 users can now easily manage Rich Media projects from any computer on their network. The axle Starter software makes it radically simple to find, preview and share media files right on your network. You can access all your media content from any browser and no cloud is required. axle Starter also features a plug-in for Adobe Premiere Pro CC. Please visit Promise eStore to purchase axle Starter.

Performance meets protection

HD or 4K (Ultra-HD) workflow environments create enormous amounts of content. In many cases, that content is irreplaceable, and in every case, the loss of content is not just inconvenient but costly - especially if you miss your deadline. Pegasus3 Series combines lightning fast speed and advanced RAID protection to ensure your work is safe and secure.

The perfect complement to the all-new MacBook Pro

The amazing all-new MacBook Pro from Apple deserves the finest Thunderbolt™3 RAID available. Pegasus3 Series delivers the capacity and performance engineered by the industry leader Promise, to make even the most demanding creative projects easy. With dual Thunderbolt™3 ports, expanding devices or adding dual 5K displays is fast and easy.

Configurations to fit any need

With 4, 6 and 8 drive configurations, from 12TB to 80TB, we have storage solutions to fit the unique needs of the production professional. Want more speed – Adjust your RAID settings. Pegasus3 Series supports RAID 0, 1, 5, 6, 10 and JBOD.

Master 4K – edit, store or stream!

Experience the ability to seamlessly edit and stream HD or 4K (Ultra HD) content, while backing up those files at the same time! Thanks to the world’s fastest connectivity speed (40 Gb/s - double the speed of the previous generation), Thunderbolt™3 perfectly supports bandwidth-hogging, high-resolution workflows.

Unleash your creativity

Being away from the studio for a shoot doesn’t mean you have to sacrifice the RAID protection or speeds of your SAN storage. You can take this compact, portable package almost anywhere. This makes it ideal for filmmakers, photographers, graphic designers and other multimedia professionals, especially on set – where speed matters, and everyone is charging by the hour!

PROMISE Technology delivers the world’s first true Thunderbolt™ 3 prosumer desktop RAID for high-performance 4K video editing.

Pegasus3 RAID Series

  • The Pegasus3 Series with Thunderbolt™ 3 technology delivers blistering performance for creative professionals creating high resolution video and rich media content.
  • Built to maximize the available line rate of Thunderbolt™ 3, video creators, photographers, graphic artists, and engineers alike can transfer and display 4K video files simultaneously at lightning speeds.
  • Pegasus3 is the world’s first RAID 5 solution featuring Thunderbolt™ 3 technology, enabling pros and enthusiasts to create, edit, and view live 4K video streams while simultaneously backing up files to the system.

Pegasus3 and New Workstations

  • Pegasus3 is the first storage launched for new workstations that have Thunderbolt™ 3 ports. Available in 4-bay, 6-bay, and 8-bay configurations.
  • Storage capacity for massive 4K projects can be expanded by daisy-chaining multiple Pegasus3 systems.

Pegasus3 and New Workstations

PROMISE Rich Media 4K Workflow

PROMISE offers a complete shared storage solution featuring Thunderbolt™ 3 for 4K environments through Pegasus3, SANLink3, and VTrak A-Class.

  • Pegasus3 offers creative enthusiasts and professionals portable RAID storage for post-production and broadcasting, such as offsite shoots, remote studios, or department workgroups.
  • SANLink3 Thunderbolt™ 3-to-Fibre Channel/ Ethernet bridge provides high-speed connectivity directly to a fibre channel SAN or ethernet for 4K applications.
  • VTrak A3800 shared storage appliance is for simultaneous, collaborative multi-user 4K editing, for higher performance bandwidth.

Pegasus3 Rich Media 4K Workflow

Features and Benefits:


  • Simplify and accelerate your workflow
  • Create, edit, view, and share brilliant 3D and 4K video
  • Seamlessly transfer terabytes of data in minutes rather than hours
  • Safely backup massive creative projects


  • Supports maximum throughput allowed by Thunderbolt™ 3 interface
  • Expand storage capacity and backup for workstations
  • Supports simultaneous streaming, editing, and backup of 4K video
  • Dual ThunderboltTM ports for daisy-chaining
  • Hot-swappable drive bays for effortless drive access and serviceability
  • Portable hardware RAID protection for offsite shoots
  • Massive storage capacity for backing up creative projects and digital libraries
  • Essential to PROMISE’s end-to-end 4K workflow environment
  • Thunderbolt™ 3 cable included (USB Type-C)


  Pegasus3 R4
Up to 16TB
Over two hours of uncompressed 4K footage”
Pegasus3 R6
Up to 36TB
“Best value for performance, protection, and capacity”
Pegasus3 R8
Up to 80TB
“Highest capactiy and protection”
Models Pegasus3 R4 Pegasus3 R6 Pegasus3 R8
Form Factor 4-Bay hardware RAID enclosure 6-Bay hardware RAID enclosure 8-Bay hardware RAID enclosure
Interface   2x Thunderbolt™ 3 technology ports (40Gbps)  
RAID Level 0, 1, 5, 6, 10, JBOD 0, 1, 5, 6, 10, 50, JBOD 0, 1, 5, 6, 10, 50, 60, JBOD
Compatibility Thunderbolt™ 3 enabled systems with macOS 10.12 and Windows 7 & 10
Capacity 12TB (4x3TB)
16TB (4x4TB)NEW
24TB (6x4TB)
36TB (6x6TB)NEW
48TB (8x6TB)
64TB (8x8TB)NEW
80TB (8x10TB)NEW
Dimensions Height: 7.5 in / 19.2 cm
Width: 7.3 in / 18.7 cm
Length: 9.6 in / 24.5 cm
Height: 9.8 in / 25.1 cm
Width: 7.3 in / 18.7 cm
Length: 9.6 in / 24.5 cm
Height: 12.2 in / 31.0 cm
Width: 7.3 in / 18.7 cm
Length: 9.6 in / 24.5 cm
Weight 15 lb / 6.8 kg 20.1 lb / 9.1 kg 24.2 lb / 11 kg
Warranty 3-year warranty
Requirements Workstation or laptop with Thunderbolt™ 3 port
Thunderbolt cable included


Download the PROMISE Pegasus3 Series Datasheet (PDF).

Pricing Notes: