The Promise Pegasus M4 combines the robust PROMISE RAID engine - renowned for stability and high performance, with the high throughput of Thunderbolt™ ; housed in a compact four-bay SSD enclosure. The M4 is a perfect fit for on-the-go creative media professionals.

Promise Pegasus M4 16TB 4x 4TB SSD SATA Hardware RAID

Reference F40PGM400020004 Category Thunderbolt and USB-C External RAID Drives Brand Promise Technology Delivery Time Delivery from mid-March 2026
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Price: zł19,150.00
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The Promise Pegasus M4 combines the robust PROMISE RAID engine—known for its stability and high performance—with the high bandwidth of Thunderbolt™. All this is enclosed in a compact SSD enclosure with four bays. The Promise Pegasus M4 is ideal for creative media professionals who travel frequently.

Key Features

  • Mobility High Performance - Highly compact RAID storage with Thunderbolt™3/4 interface
  • Perfect Match for Mac Studio - Fits perfectly on your Mac Studio desktop
  • 4K/8K editing - High performance, low latency when importing/playing back 4K/8K for post-production workflow efficiency.
  • PROMISE RAID - All Pegasus devices, including the M4, feature the PROMISE RAID engine, which provides a fundamental technical advantage over competing systems.
  • Green Technology - Designed for low power consumption and quiet operation.

Technical Specifications

  • 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 ThunderboltTM ports use for daisy chain
  • Host Interface ThunderboltTM 40Gbps (Port A and B) or USB 3.1 Gen 2 10Gbps (Port A only).
  • Thunderbolt Ports Dual ThunderboltTM ports, one for host connection, one for downstream daisy chain
  • Port Type USB-C Type C
  • RAID Level RAID 0, 1, 5, 6, 10, JBOD
  • Hot Spare Yes
  • Max LUNs 128
  • Hot Swap Yes
  • 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
  • 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
  • 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 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.

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