Mercury On-The-Go Pro

The bus-powered Mercury On-The-Go Pro packs an incredible punch into an ultra-portable 11oz package.

For Quebec residents: See the Availability Guarantee Disclosure below.

  • Mercury On-The-Go Pro
  • Mercury On-The-Go Pro
  • Mercury On-The-Go Pro

Ultra Portable & Impact Resistant

Stylishly engineered in a sleek, impact-resistant acrylic enclosure, the Mercury On-The-Go Pro incorporates shock-isolation technology to give maximum protection for your precious data inside. The Mercury On-The-Go Pro is a true must-have for users seeking high-performance highly reliable storage in a portable 11 ounce form factor.

Mercury On-The-Go Pro

Quick & Quiet

The OWC Mercury On-The-Go Pro's fan-less design offers near silent operation while still keeping your drive cool. The built-in aluminum heatsink underneath the drive and passthrough cooling vents on the top of the case work in tandem to provide optimum results.

Ultra-Portable Design

Pocket-sized at 3.5" x 5.5" x 1" and weighing only 11 ounces. Bus-powered design eliminates AC adapters—perfect for presentations, fieldwork, and mobile office use.

Impact-Resistant Protection

Stylishly engineered in sleek, shock-resistant transparent acrylic enclosure with shock-isolation technology to protect your data. Unique see-through design showcases the drive inside while providing durability for mobile use.

Universally Compatible

Plug and play with Macs, PCs, and Chromebooks. Includes USB-A cable and carrying case for convenience.

Optional DC Power Input

Bus-powered via USB-A for portability, or use optional AC adapter (sold separately) for extra reliability with devices that have low-power USB-A ports or when maximum performance is needed.

Whisper-Quiet Fanless Operation

Near-silent operation with built-in aluminum heatsink and passthrough cooling vents working together to keep your drive cool without noise.

Reliable Portable Storage

Ideal for data backups, transporting files between computers, and expanding storage capacity. Works with any device that has a USB-A port.

Bootable Drive

Use as a startup disk for faster system boot-up and overall system performance compared to internal 5400RPM drives.

Choose Your Configuration

Available in hard drive or SSD configurations with USB 3.2 (5Gb/s) interface to match your needs and budget.

Includes Carrying Case

Complete solution includes protective carrying case and USB cable for portability and protection.

Worry-free Warranty

Backed by 3-year OWC Limited Warranty for built-in storage models and award-winning customer support.

C|Net logo

"Very Good"

"Performed very well... topped the chart among pocket-size portable external hard drives"

- CNET

The Ports You Need

‭The bus-powered Mercury On-The-Go Pro is available in multiple interface models to fit your ‭workflow requirements. USB 3.1 Gen 1 delivers outstanding performance from the most ‭ubiquitous interface available. The dual interface USB 3.1 Gen 1/ FireWire 800 model works ‭with popular legacy devices and offers daisy chain capability.

Mercury On-The-Go Pro ports
  • USB 3.2 (5Gb/s) – Compatible with USB Micro connectors, backwards compatible with USB 2
  • Power Switch
  • DC Power Input1

Carrying Case & USB Cable Included

Solution includes carrying case and USB cable.

OWC, Trusted by Pros & Enthusiasts the World Over

OWC, Trusted by Pros & Enthusiasts the World Over

We build our hardware to the highest standards of reliability and performance. Because 100% reliability is always the goal, we rigorously quality test and back our hardware with a 3 Year OWC Limited Warranty and award-winning customer support.


  1. On-The-Go Pro is powered via interface connections. Use of power adapter is optional and not included.
  2. 3 Year OWC Limited Warranty for Hard Drive and Solid-State Drive solutions. 1 year OWC Limited Warranty for enclosure only.