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:

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

COMPATIBLE WITH MAC STUDIO:
Compatible with the latest operating systems, including Mac Studio

CREATIVE PROFESSIONALS:
Perfect for creative professionals on-the-go.

WEIGHT 1.9KG:
Compact, portable, and lightweight

Specifications
Model: Pegasus M4
Form Factor: 4-Bay / Hardware RAID / Enclosure
Drive Support: 2.5” SATA3 SSD, 2TB/4TB
Processor: Integrated SAS ROC (Raid-On-Chip).
Memory: 1GB DDR3 1866 ECC on board
Expansion: 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

RAID & Features
RAID Level: RAID 0, 1, 5, 6, 10, JBOD
Hot Spare: Yes
Max LUNs: 128
Hot Swap: Yes

Software Highlights
Supported OS: macOS/Windows, Driver and Management Tool. Linux (driver only)
Management Tool: PROMISE UtilityPro
Product Specific: Intelligent Cooling/Acoustic control, Drive SMART health Polling

Physical Information 
Dimension (H x W x D, mm): 107 x 127 x 167
Weight: 1.9kg
AC Input: 100-240V auto-ranging, 50~60Hz AC
Power Supply: 120W

Environment 
Temperature Range: Operating: 5° ~ 35° C , Non-operating: -40° ~ 70° C
Humidity: Operating: 10% ~ 95% non-condensing , Storage: 5% - 95% non-condensing
Regulatory/Safety: EMC: FCC, CE , Safety: cTUVus, CB
Green Certificate: Erp/Eup, ROHS, WEEE

Warranty and Support 
Warranty and Support: 3-years standard warranty, optional extended warranty, and on-site parts replacement program (PROMISE ServicePlus) available.
Support: 24/7 PROMISE eSupport Portal (support.promise.com), optional 24/7 phone and email support available.