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Compact silver enclosure with four drive bays and Thunderbolt port

Promise Technology

Promise Technology Pegasus M4 8TB Thunderbolt 3 SSD RAID drive enclosure

SKU CH-M5G4-XJEDH

An 8 TB four-bay SSD RAID enclosure with Thunderbolt 3 delivering over 2,000 MB/sec for creative workloads

  • Enterprise SSDs deliver high endurance for creative workloads
  • Thunderbolt 3 provides over 2,000 MB/sec transfer speeds
  • Compact four-bay enclosure fits studio and mobile setups
  • PromiseRAID engine ensures stable data protection
  • Built for video editing and 3D rendering demands

Creative RAID storage

The Promise Pegasus M4 delivers 8TB of enterprise SSD capacity in a compact four-bay enclosure connected via Thunderbolt 3. It is built for creative professionals who need reliable, high-speed storage for video editing and 3D rendering. The PromiseRAID engine provides hardware-level data protection across the four internal drives. This solution arrives ready to use with drives pre-installed and configured.

Studio and mobile workflows

This unit suits editors and artists who move projects between a desktop suite and location work. The single-cable Thunderbolt 3 link supplies both bandwidth and power to the enclosure. Teams needing shared network access or more than 8TB of raw space should consider a NAS or larger direct-attached array. Users without a Thunderbolt 3 host port cannot connect this device.

Thunderbolt 3 interface

The enclosure requires a host port that supports Thunderbolt 3 to reach its rated transfer speed of over 2000 MB/sec. A standard USB-C port without Thunderbolt protocol will not operate the unit. Verify that your computer or dock provides genuine Thunderbolt 3 before purchasing.

Highlights

  • Enterprise SSDs deliver high endurance for creative workloads
  • Thunderbolt 3 provides over 2,000 MB/sec transfer speeds
  • Compact four-bay enclosure fits studio and mobile setups
  • PromiseRAID engine ensures stable data protection
  • Built for video editing and 3D rendering demands

Specifications

BrandPegasus
SeriesM4
ModelPegasus M4 8TB

Questions about this item

How do I install the Pegasus M4 and which step is often missed?

Connect the enclosure to a Thunderbolt 3 port on your computer using the supplied cable, then launch the Promise utility to initialise the RAID set — the step many skip is confirming the array is healthy before writing data.

What maintenance or replacement will the four 2 TB enterprise SSDs need later?

The drives are sealed inside the enclosure and not user-replaceable; monitor SMART health in the Promise utility and plan to migrate data to a new unit once the endurance rating is approached.

What limit appears first during sustained workloads?

Sustained transfers above 2,000 MB/s can trigger thermal throttling, so ensure the unit has clear airflow and avoid stacking other gear on top during long renders.

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