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Changes:

The material in this document is for information purposes only and subject to change without notice. While 
reasonable efforts have been made in the preparation of this document to assure its accuracy, OWC, its parent, 
partners, affiliates, officers, employees, and agents assume no liability resulting from errors or omissions in this 
document, or from the use of the information contained herein. OWC reserves the right to make changes or 
revisions in the product design or the product manual without reservation and without obligation to notify any 
person of such revisions and changes.

FCC Statement:

Warning! Modifications not authorized by the manufacturer may void the user’s authority to operate this 
device. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, 
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful 
interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy 
and, if not installed and used in accordance with the instructions, may cause harmful interference to radio 
communications. However, there is no guarantee that interference will not occur in a particular installation. If 
this equipment does cause harmful interference with radio or television reception, which can be determined by 
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the 
following measures:

 

-

Reorient or relocate the receiving antenna.

 

-

Increase the separation between the equipment and receiver.

 

-

Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.

Warranty:

The ThunderBay 4 mini has a 

3 Year OWC Limited Warranty

 if it was bundled with drives. ThunderBay 4 mini 

enclosures that do not ship with drives have a 1 Year OWC Limited Warranty. For up-to-date product and 
warranty information, please visit the 

product web page

.

Copyrights and Trademarks:

No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any 
means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of OWC.

© 2019 Other world Computing, Inc. All rights reserved. OWC, the OWC logo, and ThunderBay are trademarks of New Concepts Development 

Corporation, registered in the U.S. and/or other countries. Mac and macOS are trademarks of Apple Inc., registered in the U.S. and other countries. 

Thunderbolt and the Thunderbolt logo are trademarks of Intel Corporation in the U.S. and/or other countries. Other marks may be the trademark or 

registered trademark property of their owners.

OWCMANTB42MINI – 10/19

Summary of Contents for ThunderBay 4 mini

Page 1: ...tware Easy and complete drive management Daisy Chain Add up to five additional Thunderbolt devices Thunderbolt 2 Thunderbolt certified for Mac and Windows Expand Your Workspace Add 4K monitor via the...

Page 2: ...ntents 1 1 3 About This Manual 1 1 4 Front View 3 1 5 Rear View 3 1 6 Usage Notes 4 Installation 2 1 Drive Installation 5 2 2 Quick Start 5 2 3 Why Install SoftRAID 6 2 4 Replacing Drives 6 2 5 Drive...

Page 3: ...up to 15 mm supported 1 2 Package Contents 1 3 About This Manual The images and descriptions may vary slightly between this manual and the unit shipped Functions and features may change depending on...

Page 4: ...ve exposure to dust during use or storage Dust can build up inside the device increasing the risk of damage or malfunction Do not block any ventilation openings on the device These help to keep the de...

Page 5: ...to the drive bays 2 LED Indicators 1 5 Rear View 1 Security slot connect a security tether here 2 Thunderbolt 2 ports connect to the computer host or chain additional Thunderbolt devices here 3 DC pow...

Page 6: ...fore unplugging the ThunderBay 4 mini or removing the drives See the tips below for unmounting a drive from your specific OS macOS Drag the icon for the disk you wish to unmount to the trash can OR Ri...

Page 7: ...the tray and the corresponding track then try again 2 2 Quick Start 1 Install drives into the ThunderBay 4 mini according to the instructions in Section 2 1 2 Connect the power supply between the Thu...

Page 8: ...om email alerts for important events 2 4 Replacing Drives You can add or remove any drive without needing to turn off the ThunderBay 4 mini or unmount any of the other drives Each drive operates indep...

Page 9: ...problems please see Section 3 4 to contact Technical Support 3 3 About Data Backup To ensure that your files are protected and to prevent data loss we strongly suggest that you keep two copies of your...

Page 10: ...tion If this equipment does cause harmful interference with radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the inter...

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