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Pegasus M4

A Perfect Fit

Compact Performance for Media Pros


Mobile High-performance

The Pegasus M4 combines the robust PromiseRAID engine - renowned for stability and high performance, with the high throughput of Thunderbolt™. Pegasus M4 is housed in a compact four-bay enclosure utilizing pre-installed enterprise-level high endurance SSD. The M4 is a perfect fit for on-the-go creative media professionals.

Perfect Match for Mac Studio

Pegasus M4 is perfectly matched with Mac Studio, M1/M2 CPU, MacOS 12 and MacOS 13 with DEXT driver and Intel x86.

4K/8K Editing

An all-SSD 2TB/4TB array means high-performance / low latency 4K/8K ingest/playback postproduction workflow - a must-have for rich media professionals. Pegasus M4 maximizes SSD speed with Enterprise-level RAID data protection; delivering over 2,000 MB/sec with low latency.

Enterprise SSD

Pre-installed enterprise-level high endurance, high performance and low latency SSD.

Warranty and Support

3-years standard warranty, PROMISE eSupport Portal available, optional 24/7 phone and email support available.

All in all, the Pegasus M4 is


Weight 1.9kg

Compact, portable, and lightweight

Compatible with Mac Studio

Compatible with Mac Studio

Compatible with the latest operating systems, including Mac Studio

4K/8K Editing

4K/8K Editing

High performing external storage for 4k/8K video editing, playback, and transcoding

Creative professionals

Creative professionals

Perfect for creative professionals on-the-go.


Pegasus M4
Form Factor
4-Bay / Hardware RAID / Enclosure
Drive Support
2.5” SATA3 SSD, 2TB/4TB
Integrated SAS ROC (Raid-On-Chip).
1GB DDR3 1866 ECC on board
Dual Thunderbolt™ ports use for daisy chain
Host Interface
Thunderbolt™ 40Gbps (Port A and B) or USB 3.1 Gen 2 10Gbps (Port A only).
Thunderbolt Ports
Dual Thunderbolt™ ports, one for host connection, one for downstream daisy chain
Port Type
USB-c Type C
More Spec +
*All specifications and descriptions provided herein may be different from the actual specifications and descriptions of the product.


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