ThunderBay 4

Thunderbolt 3 — The Speed You Need

CVP Digital can supply this product with OWC pre-intalled Toshiba Enterprise HDDs or custom installed Seagate EXOS HDDs up to 72TB. For more information and pricing please contact us.

OWC's flagship RAID powerhouse has been redesigned to take advantage of the phenomenal performance and power of the Thunderbolt 3 interface. With capacity up to 72TB it's now faster, cooler and quieter than ever before.

OWC Thunderbay 4 RAID
  • Dual Thunderbolt 3 ports
  • DisplayPort 1.2
  • Maximize the potential of four 3.5-inch drives or four 2.5-inch drives — no adapter needed
  • Ultra quiet, heat dissipating aluminum chassis
  • RAID ready or RAID 5 option

Edit. Experiment. Create. Design.

Edit, view, stream, and produce more with ThunderBay in your 2K, 4K, and audio production workflow. With ThunderBay's performance capabilities you can complete projects faster, have more time to experiment, and push your creations to the next level.

Enhance editing capabilities in video apps like Apple Final Cut Pro, Adobe Premiere, and Avid Media Composer. Empower greater audio production capabilities in audio apps like Avid Pro Tools and Logic Pro X. Edit large photos in apps like Adobe Photoshop, and browse large photo libraries in apps like Apple Aperture and Adobe Lightroom. Simply put, you can do more with a ThunderBay 4 enhanced workflow, and with a RAID 5 array you get data redundancy on top of great performance!

Connect to Thunderbolt and Thunderbolt 2 Systems with Ease

The OWC ThunderBay 4 harnesses the power of Thunderbolt 3 to provide backwards compatibility with Thunderbolt and Thunderbolt 2. Whichever interface/speed your workflow demands, it’s easy to integrate OWC ThunderBay 4’s massive capacity and performance capabilities. Add a Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter and you’re all set.

Pro-Tips: Daisy-Chaining with Thunderbolt Devices

With the ability to run up to six devices per port, Thunderbolt ports amplify your laptop or desktop with peripheral power.

Includes SoftRAID: Easy and Complete Drive Management

Now you can maximize disk space, get the fastest access speeds, and protect against disk failure with Plug and Play simplicity. SoftRAID’s easy setup makes it a breeze to create RAID volumes by helping you through the entire process. Just decide what you’re using your RAID volume for and how much space to allocate to it. It's that simple to create your preference of speed and/or redundancy attributes of your data volume.

OWC enclosures ship with the XT version of SoftRAID. SoftRAID XT and Lite XT are fully featured and designed to only work with OWC solutions.

Workflow and Storage Solutions for Pros

Whether you’re finishing and mastering, creating proxies or working with state-of-the-art VFX and AR, you need dependable tech that keeps pace with your demands. OWC workflow and storage solutions cover every angle, delivering processing speeds up to 2800MB/s1, capacity for all five levels of RAID, and bonus features like the freedom to daisy-chain and hot-swap.

Quality you can trust

Like all OWC drives, the ThunderBay 4 is built to the highest ‭standards of reliability and performance and Thunderbolt Certified for Mac and Windows. Because 100% reliability is always the goal, the ThunderBay 4 is rigorously quality tested and ‭backed by our 3 Year OWC Limited Warranty plus award-winning, 24/7 customer ‭support.

Tech Specs


  • OWC ThunderBay 4
  • Thunderbolt 3 cable
  • External power cable
  • 2 keys for front panel lock
  • Assembly Manual and User Guide
  • RAID: SoftRAID XT User Guide
  • RAID Ready: SoftRAID Lite XT User Guide

System Requirements

  • Software
    • OS
      • macOS 10.12 or later
      • Windows 10 or later
      • Boot Camp is not supported.
  • Hardware
    • Mac or PC featuring Thunderbolt 3 interface
    • Thunderbolt/Thunderbolt 2 compatibility with a Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter
  • Bootability
    • macOS 10.12 or later


  • (2) Thunderbolt 3
  • (1) DisplayPort

Drives Supported

  • (4) 3.5-inch SATA 6Gb/s drives
  • or (4) 2.5-inch SATA 6Gb/s drives2


  • Internal UL-listed, universal auto-switching
  • AC input: 100 ~ 240V, 50-60Hz
  • DC output: 12V, 16.7A
  • Adapter plugs for international use sold separately

RAID Modes Supported

  • Software: RAID 0, 1, 4, 5, 1+0, JBOD/Independent drive mode


  • Height: 7.3 in (18.5 cm)
  • Width: 5.3 in (13.5 cm)
  • Depth: 9.4 in (24.0 cm)


  • Without Drives: 8.6 lb (3.9 kg)


Environmental (Operating)

  • Temperature (°F) 41°F to 107°F
  • Temperature (°C) 5°C to 42°C

Environmental (Non-Operating)

  • Temperature (°F) -40°F to 149°F
  • Temperature (°C) -40°C to 65°C


Drives Included

  • 3 Year OWC Limited Warranty
  • Complimentary 1 Year Level 1 Data Recovery

Note: Do not disassemble or otherwise open your OWC solution prior to the conclusion of the 3 Year OWC Limited Warranty period. Doing so will void the remainder of the OWC warranty.

Enclosure Only

  • 1 Year OWC Limited Warranty
  1. Actual performance may vary depending on host computer, environment, and use conditions.
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