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Temperature sensor OWC OWCDIDIMACHDD11
OWC's In-line Digital Thermal Sensor (OWCDIDIMACHDD11) is a plug-and-play wired temperature sensor designed to allow installation of a third‑party SATA drive into the main drive bay of 2011 iMac models without triggering fan issues or diagnostic failures. The sensor provides the system with the expected thermal readings so the iMac's System Management Controller can maintain correct fan behavior and Apple Hardware Test compatibility. It is engineered for direct compatibility with the iMac's diagnostics and does not require software hacks.
This in-line digital thermal sensor eliminates excessive fan noise and prevents incorrect fan speeds after upgrading the iMac's original drive. It resolves firmware incompatibility between Apple systems and third‑party hard drives, is certified to pass Apple Hardware Test, and supports upgrades to larger capacity HDDs (up to 8.0 TB) or high‑performance SSDs when used with compatible adapter kits. The product is developed by OWC and supported by their customer service.
Install the sensor inline between the iMac motherboard connector and the replacement SATA drive following the iMac drive bay access procedure. For drive replacement, use an OWC Internal HDD DIY Kit or a compatible adapter (sold separately) to mount the selected HDD or SSD. After physical installation, reassemble the iMac; the sensor requires no software configuration and allows the System Management Controller to read proper temperature data automatically.
Use this sensor only with the intended 2011 iMac internal drive bay and compatible third‑party SATA drives. Verify compatibility of the replacement drive and any adapter kit prior to installation. For large capacity HDDs or SSD upgrades, follow anti‑static precautions and Apple repair guidelines or consult a qualified technician if unsure.
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| Warehouse | Stock | Delivery to the store | Store Price | |
| WH357 | 11 | 07.07.2026 | 43.99 € Best price | |
| WH353 | 1 | 03.07.2026 Best delivery | 76.49 € |
| Warehouse | Stock | Delivery to the store | Store Price | |
| WH109 | 10 | 15.07.2026 | 48.99 € |
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43.99 €
Stock:
11
Delivery Date:
07.07.2026
Warehouse: WH357
|
|
76.49 €
Stock:
1
Delivery Date:
03.07.2026
Best delivery
Warehouse: WH353
|
|
48.99 €
Stock:
10
Delivery Date:
15.07.2026
Warehouse: WH109
|