Envoy Pro EX – USB-C (Thunderbolt 3 Compatible) External NVMe M.2 SSD Storage Enclosure


Fast, Rugged, Portable USB-C SSD with Speeds up to 980MB/s

Need EXtreme performance, durability, portability, and design in a portable drive? The NEW OWC Envoy Pro EX with USB-C is the perfect solution for taking photos, videos, music, and other files with you wherever you roam.

EXtremely Fast

With lightning fast speeds up to 980MB/s, the Envoy Pro EX delivers desktop-class performance on the fly. Edit 4K videos and photos or drag and drop files in mere seconds. Even record directly from USB-C cameras!

EXtremely Tough

Weather or location won’t stop you from working. The Envoy Pro EX’s anodized aluminum housing is 100% dustproof with an IP67 waterproof rating that’s certified to survive 30 minutes in 1 meter of water.

EXtremely Portable

No power adapter required, and no moving parts allow the Envoy Pro EX to work silently anywhere. Sized and weighing similarly to an iPhone, it slips easily into a pocket, purse or gear bag to safely transport your data.

EXtremely Elegant

Inspired by the Envoy Pro’s award-winning design, the silver matte finish of the Envoy Pro EX complements your existing gear to make you look like a pro.

EXtremely Compatible

The Envoy Pro EX provides compatibility with a wide range of systems, including those with Thunderbolt 3, USB-C, and even select hosts with Type-A ports.


  • Supercharged speed up to 980MB/s
  • IP67 – Dust and waterproof1
  • Compatible with both Mac & PC, plus direct-connect to USB-C tablets and cameras
  • USB 3.1 Gen 2 (Type-C)
  • Thunderbolt 3 compatible

Additional Capacities:

Envoy Pro EX with USB 3 – 250GB-500GB-1TB-2TB

Envoy Pro EX with USB-C – 240GB-480GB-1TB-2TB-4TB-8TB

Envoy Pro EX with USB-C DIY Enclosure – 0GB

Product Specs


  • Mechanisms Supported
  • NVMe M.2 2280 M-Key SSDs
  • Bootable
  • Mac only
  • Chipset
  • ASMedia ASM2362
  • Certifications
  • FCC
  • RoHS
  • Data Transfer Rate (Maximum)
  • USB 3.2 Gen 2 : 10 Gb/s (or 1250 MB/s)
  • Plug and Play
  • Yes
  • Reach Certification
  • Yes


  • Mac OS Compatibility
  • macOS 10.12 Sierra
  • macOS 10.13 High Sierra
  • macOS 10.14 Mojave
  • PC OS Compatibility
  • Windows 10 64-bit Edition
  • Windows Server 2016
  • Other Requirements
  • Requires USB 3.0 or higher. USB 2.0 is not supported.
  • Host Port Requirements
  • Mac or PC featuring USB-C interface
  • Mac or PC featuring Thunderbolt 3 interface
  • Mac or PC featuring USB Type-A interface using a USB-C to USB-A Adapter


  • Power Supply
  • Bus-powered
  • External Power Adapter
  • No


  • Number of Bays
  • 1
  • Drive Bays
  • 1 bay supporting:
  • M.2 drives
  • Supports NVMe 2280 M.2 SSDs with M-key connector.
  • Device Ports
  • (1) USB 3.2 Gen 2 Type-C Port up to 10Gb/s (1250MB/s) – USB 2.0/3.0 backwards compatible
  • Security Slot
  • No
  • Power/Activity LED
  • Yes
  • Housing Color
  • Silver
  • Housing Material
  • Aluminum
  • Dimensions
  • Height: 0.9 cm (0.4 in)
  • Length: 11.5 cm (4.5 in)
  • Width: 6.5 cm (2.6 in)
  • Weight
  • 148.0 g (0.33 lbs)
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