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OWC SATA cable with in-line thermal sensor and install tools for 27 inch iMac 2012 to 2019

OWC

OWC In-Line Digital Thermal Sensor SATA Cable Kit for iMac 27" 2012-2019

SKU CH-6GDB-PDYS1

In-line digital thermal sensor SATA cable kit with install tools enables third-party drive upgrades in 27" iMac 2012-2019 models while maintaining fan control and passing Apple Hardware Test

  • TypeSATA
  • Required for any drive installed in the main bay
  • Eliminates fan noise and keeps fan control correct on 2012‑2019 iMac 27" models
  • Only upgrade cable certified to pass the Apple Hardware Test
  • Fixes firmware incompatibility with third‑party hard drives
  • Includes suction cup and Torx drivers for installation

Essential Upgrade Cable for iMac 27" 2012-2019

This SATA cable kit includes an in-line digital thermal sensor and installation tools. It is required when fitting any third-party drive into the main drive bay of a compatible iMac. The kit enables proper fan management and eliminates the excessive noise that occurs without the sensor.

Apple Hardware Test Certified Compatibility

The cable is the only iMac HDD upgrade option certified to pass the Apple Hardware Test. It resolves firmware incompatibility issues that affect third-party SATA drives. No software hacks are needed; the sensor communicates directly with the System Management Controller for accurate thermal monitoring.

Supports Single Main Bay Drive Upgrades

The kit provides the necessary sensor cable, suction cups, and Torx drivers for one drive installation. It comfortably handles the thermal reporting for a single SATA drive in the primary bay. It does not support additional drive bays or external eSATA connections beyond the main internal upgrade.

Highlights

  • Required for any drive installed in the main bay
  • Eliminates fan noise and keeps fan control correct on 2012‑2019 iMac 27" models
  • Only upgrade cable certified to pass the Apple Hardware Test
  • Fixes firmware incompatibility with third‑party hard drives
  • Includes suction cup and Torx drivers for installation

Specifications

TypeSATA

Questions about this item

How does the in-line digital thermal sensor affect fan behaviour once the cable is installed in a 27" iMac?

The sensor plugs into the main drive bay and reports drive temperature to the System Management Controller, so the fans run at the correct speed instead of spinning at maximum.

What SATA interface does the cable use and what practical limit does that impose?

The cable carries a standard SATA connection, so the drive’s transfer rate is limited to the SATA revision supported by the iMac’s logic board.

What physical items are included to open the 27" iMac and fit the cable in the main drive bay?

The kit supplies the in-line sensor cable, a 2-1/4" suction cup, a Torx T10 driver and a Torx T8 driver for removing the display and securing the drive.

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