OWC Envoy Pro EX SSD (USB 3.0)


  • Product Description

      With an elegant, anodized-aluminum design, the Envoy Pro EX delivers portable, production-level performance for a life in constant motion. Easily carried in your pocket or bag, Envoy Pro EX is bus-powered professional storage wherever you need it. See what caused The Mac Observer to proclaim it “absolutely beautiful and on par with the best that has come out of Jony Ive’s (SVP of Industrial Design at Apple) labs.”

      • One of the fastest external SSD storage solutions available...up to 500MB/s data rates
      • Ultra-efficient Block Management & Wear Leveling provides highest reliability
      • USB 3.0 bus-powered - no AC adapter needed
      • Pocket-sized for easy transportation
      • 3 Year OWC Solution Limited Warranty and built in USA

      *Requires USB 3.0 standard powered port. USB 2.0 use not supported or recommended.

      Specifications and appearance are given as guidelines and may change without notice.

  • Product Details

    • Variant: 240GB (SSD)
    • Product Type: Portable SSD

In Depth


With USB 3.0 performance of 436MB/s, Envoy Pro Ex is your ideal portable workflow solution. Bus-powered and available up to 1TB, Envoy Pro EX handles virtually any demanding storage need, whether in the studio, or on the road.


The Envoy Pro Ex features a high-performance OWC SSD engineered to endure the most demanding use. Envoy Pro Ex uses tier-1 NAND and a suite of controller technologies built for performance and ultra-reliability, providing 100x greater protection of your valuable data than even an enterprise-class hard drive. Easily carried in a coat pocket, backpack, or briefcase, you’ll be ready to transport your work wherever life takes you.


OWC SSDs are renowned for their high-performance, extraordinary capacity and unmatched reliability. Drawing upon our experience in creating the first SSD upgrades for MacBook Air and MacBook Pro with Retina display, the Envoy Pro EX is an ultra-lightweight SSD, perfectly designed for your Mac.



  • OWC Envoy® Pro EX USB 3.0 bus-powered Storage Solution with an OWC 240GB Aura® Pro SSD inside.
  • Carrying Case
  • High-quality double-shielded USB 3.0 standard A to Micro-B connecting cable
  • Envoy Pro EX Owner's Manual
  • 3 Year OWC Solution Limited Warranty
  • Utility software bundle (Only for 480GB and 1TB)
    - Intech® Hard Disk SpeedTools Utilities™ OEM for OS X 10.4
    - ProSoft Engineering® Data Backup 3 for OS X 10.4 or later
    - NovaStor NovaBACKUP® for Windows 7
    - Over 1.5GB of freeware, shareware, and public domain software


  • 240GB OWC Aura Pro SSD
  • 480GB OWC Aura Pro SSD
  • 1TB OWC Aura Pro SSD
    1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.


  • High-performance ASMedia 1053e chipset

Interfaces Supported

  • USB 3.0 interface

Port Configuration

  • USB 3.0 interface (Micro-B port)

Max Data Transfer Rate

  • One Micro-B USB 3.0 port, up to 500MB/s


  • Bus-powered via USB 3.0 port (no AC adapter required)
  • Anodized aluminum finish
  • Super-quiet, fanless operation
  • Non-skid rubber feet

System Requirements

  • Mac® Requirements: Mac OS 10.3 or later and an available and supported USB 3.0 port.*
  • PC Requirements: Windows XP or later and an available and supported USB 3.0 port.
  • Linux® Requirements: Linux OS versions and an available and supported USB 3.0 port.

    Please note:
    The 480GB OWC Envoy Pro EX is currently not supported on the Macbook 8,1.
    The 1TB Envoy Pro EX is currently not supported on the Macbook 8,1 when using the Apple USB-C Digital AV Multiport Adapter or Apple USB-C VGA Multiport Adapter. It is however, supported with the Apple USB-C to USB Adapter and OWC USB Type-A to USB Type-C adapter.

UASP (USB Attached SCSI Protocol) Compliant

  • Yes


  • Silent, fanless operation

Power Supply

  • Bus-powered via USB port (no AC adapter required)

External Case Dimensions

  • 2.125 in (W) x 4.5 in (D) x .4375 in (H)
  • 53.98 mm (W) x 114.3 mm (D) x 11.11mm (H)

Enclosure Weight (no accessories)

  • 3.4 ounces

Operating Environment:

Environmental (Operating)

  • Temperature (°F) 32°F to 158°F
  • Temperature (°C) 0°C to 70°C

Environmental (Non-Operating)

  • Temperature (°F) -67°F to 302°F
  • Temperature (°C) -55°C to 150°C


  • Idle (Typical) 0.0 bels
  • Seek (Typical) 0.0 bels


3 Year OWC Solution Limited Warranty

The best warranty is one you never have to use, but should the need occur - OWC is proud to provide a superior level of support and warranty coverage to our customers. Even when not used, we understand the peace of mind afforded by a longer warranty period. OWC's industry leading coverage is a testament to our confidence in the reliability of the solutions that we offer. OWC solutions are engineered to demanding quality standards in order to deliver the most reliable, highest performance available on the market in each storage category.

View more information about the 3 Year OWC Solution Limited Warranty