OWC In-Line Digital Thermal Sensor Now Available for 2009-Present iMac Hard Drive Upgrade - Compatible with Capacities up to 6TB!

Dec 15, 2014 | Woodstock, IL


Other World Computing (OWC®), a leading zero emissions Mac upgrade and storage technology company, today announced an expansion of the In-Line Digital Thermal Sensor HDD DIY Kits, with support for 2009 and newer iMac models, including the latest iMac Retina 5K display. OWC continues to deliver DIY solutions designed with Mac users in mind.

Key Features:

  • Eliminates excessive fan noise and maintains correct system fan control when upgrading the storage of a 2009 or newer iMac
  • Engineered to work natively with Apple Diagnostics
  • Fixes thermal compatibility issues with third party hard drives
  • Engineered in-house and backed by OWC's award-winning customer support
  • OWC Install Videos guide you every step of the way

Upgrade Your iMac with Peace of Mind
OWC's in-line solution includes a custom hardware digital thermal sensor allowing a third-party 3.5" SATA hard drive to be properly installed in an iMac, enabling full compatibility with Apple Diagnostics and the iMac System Management Controller. A convenient plug-and-play cable, the innovative In-line Digital Thermal Sensor eliminates excessive fan noise and maintains proper system fan operation while requiring no software hacks.

Using an OWC Internal HDD DIY Kit, you can easily replace the original iMac hard drive with up to a 6.0TB hard drive (sold separately) for a dramatic upgrade in storage capacity. With easy to follow installation videos guiding you every step of the way, you can perform this upgrade from the comfort of your own home.

"The In-Line Digital Thermal Sensor DIY Kits for iMac embody OWC's commitment to DIY enthusiasts and upgraders everywhere," said Larry O'Connor, Founder and CEO, OWC. "Our innovative kit is a complete solution that gives Mac users more options to upgrade their iMac's internal storage while retaining proper system operation."


  • OWC In-Line Digital Thermal Sensor Cable and Fan Control assembly for iMac
  • NewerTech 14-piece Toolkit
  • OWC Microfiber Cloth
  • 2 NewerTech Suction Cups
  • Quick Start Guide


  • iMac 2009 - 2010 (21.5" & 27")
  • iMac 2011 (21.5" & 27")
  • iMac 2012 - Present (27")

Pricing and Availability:
OWC's In-Line Digital Thermal Sensor HDD DIY Kit is available for immediate ordering at special OWC Holiday Saver pricing!

In-Line Digital Thermal Sensor HDD DIY Kit
iMac 2009 - 2010$59.00
Mac 2011$57.00
iMac 2012 - present (including Retina 5K)$59.00

NOTE: All kits are also available as standalone version without NewerTech 14-piece toolkit.

The OWC Trust Advantage – Over 20 Years of Storage Design and Innovation

  • OWC tested for compatibility, speed, flexibility, and reliability
  • Comprehensive step-by-step installation and support videos
  • 24/7 award-winning, US-based support

OWC's Industry Awards Include:
– Inc. 5,000 "Fastest Growing Privately Owned Companies in America" list honoree 2007–2013
– Reseller Ratings Elite Member 2009-2014
– Better Business Bureau Top Rating of A+ 2010–2014
– Readers' Choice Award winner for best Mac Peripheral Reseller
– Business Intelligence Group 2013 Green Tech Company of the Year
– American Business Awards "Stevie" Gold (2012) and Silver (2014)
– 2015 CES Innovations Honoree for OWC ThunderBay 4 External Storage Solution


About OWC

Founded in 1988, Other World Computing (OWC), is a trusted provider of premium technology solutions tailored to enable creators and tech enthusiasts to bring their unique visions to life. The company develops high-performance end-to-end tools catering to a global community of creators at all levels of their craft, from Capture to Creation to Collaboration. The mission of extending the useful life of existing technology is a demonstration of the company's commitment to a more sustainable world. The core value of Other World Computing is to design and manufacture industry-leading products that deliver excellence and are built to last for minimal environmental impact.

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Company Contact

Nathan Papadopulos