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OWC ThunderBay 4

OWC ThunderBay 4 with Thunderbolt 2 Left OWC ThunderBay 4 with Thunderbolt 2 Front OWC ThunderBay 4 with Thunderbolt 2 Right OWC ThunderBay 4 with Thunderbolt 2 Back OWC ThunderBay 4 with Thunderbolt 2 Open OWC ThunderBay 4 with Thunderbolt 2 & Keys

OWC ThunderBay 4


Up to 988MB/s performance


Up to 72TB of capacity

Quick Specs:

  • Thunderbolt 2
  • 4 Universal Drive Bays
  • RAID Ready
  • Mac & Windows

The Speed You Need

  • Dual Thunderbolt 2 ports
  • Works with 3.5" or 2.5" drives – no adapter needed
  • Plug and play RAID Ready (Preconfigured as RAID 0)
  • Ultra quiet, heat dissipating aluminum chassis
  • Rigorously pre-tested with multi-hour burn-in
  • Integrated, built-in power supply, no bulky power brick
  • Up to 3 Year OWC Limited Warranty1

  • Performance & reliability at an exceptional value
  • Wide array of model configurations
  • OWC storage solutions consistently receive top ratings
  • Industry-leading warranty & support

Edit, Experiment, Create, Design

Designed with performance in mind and engineered to harness the power of Thunderbolt 2, ThunderBay 4 is an incredibly flexible external drive with the throughput to support multi-stream compressed 4K video and other bandwidth-intensive operations. Highly configurable to perfectly match your performance needs. Use each drive independently, or in the RAID configuration of your choice for the optimal balance of performance and data-redundancy. Get the most out of your storage, take the brakes off your workflow, and do more with a ThunderBay 4.

Certified and Tested

Each ThunderBay undergoes OWC's multi-hour drive "burn-in" performance certification procedure prior to shipping. This ensures your ThunderBay arrives operating properly and ready for demanding use.

OWC ThunderBay 4 with Thunderbolt 2 in Photography Workstation

Time-Tested Cooling

Built on OWC's time-tested enclosure cooling technology, ThunderBay utilizes an open "flow-thru" vented design with an oversized 92 mm, low-turbulence, noise-quieting fan to keep the drives running cool and reliably.

Vibration Dampened

ThunderBay's drive isolating design reduces sonic resonance, and is aided by over-sized, rugged, vibration-absorbing, non-skid feet.


Daisy-chain up to six ThunderBays for massive storage capabilities and increased performance, or connect multiple ThunderBays to multiple Thunderbolt 2 ports to achieve exponential speed capabilities.

DisplayPort 1.2 Support

Dual Thunderbolt 2 ports let you connect the display of your choice that your computer can support, including 4K displays.

OWC Thunderbolt Cable Included

ThunderBay 4 comes with a certified OWC Thunderbolt cable, with other lengths from 0.5 meter to 30 meters available separately.

OWC Thunderbolt 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.

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  1. 3 Year OWC Limited Warranty for Hard Drive solutions. 1 year OWC Limited Warranty for enclosure only.