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DIY Bundle

2.0TB HDD Upgrade Kit
For All 2012 and later 27" iMac models

Complete Kit including Thermal Sensor, Tools
and 2.0TB Toshiba DT01ACA Series HDD
Upgrade with Confidence!
Improve Performance and Capacity
OWC's in-line solution is the only hardware digital thermal sensor on the market allowing a third-party SATA drive to be installed in your iMac. A convenient, plug-and-play cable, the In-line Digital Thermal Sensor eliminates fan noise and maintains proper system fan control through the iMac's System Management Controller. This innovative device is designed specifically for the iMac, requires no software hacks and ensures compatibility with Apple's built-in diagnostic processes.

2.0TB Toshiba DT01ACAxx Series Specifications:


Form Factor
3.5″ HDD
Formatted Capacity2
Rotational Speed
7,200 RPM
Cache / Data Buffer
Manufacturer Model Number
RoHS Compliant


Height (max)
26.1mm (1.03″)
Width (max)
101.6mm (4.00″)
Length (max)
147mm (5.79″)
Weight (typical)
680g (1.499 lbs.)


Contact Start-Stops


Transfer Rate (Max)
6 Gb/sec
Track-to-track Seek


Read Power
6.4 Watts
Write Power
6.4 Watts
Idle Mode
5.2 Watts
Standby Mode
1.0 Watts
Sleep Mode
1.0 Watts

Environmental (Operating)

70 G max at 2ms
Ambient Temperature (°F)
32°F to 107°F
Ambient Temperature (°C)
0°C to 42°C
0.67 G, with 5 - 500 Hz
-304.8 m to 3,048 m (-1,000 ft to 10,000+ ft)

Environmental (Non-Operating)

300 G max at 2ms
Ambient Temperature (°F)
-40°F to 158°F
Ambient Temperature (°C)
-40°C to 70°C
1.04 G, with 2 - 200 Hz
-304.8 m to 12,192 m (-1000 ft to 40,000+ ft)


Idle (Typical)
2.7 bels
Seek (Typical)
2.8 bels
  1. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 5-10% less). The actual total capacity will depend on your own defined file settings/preferences.
  2. In terms of standard gigabytes, 1GiB ≈ 1.074GB and refers to the actual formatted capacity of shown under Mac OS 10.5 or earlier and Microsoft Windows OS.
  3. Specific application environments such as temperature and duty cycle will affect the overall reliability rates.

Manufacturer provided specifications for Other World Computing p/n YIMAC272H2.0 UPC#: 812437024388


Install Video

This product is compatible with... Learn how to find your Mac's model ID
iMac Intel
iMac w/Retina 5K display
(27-inch Mid 2017)
(June 2017)
Model ID:iMac18,3
3.4GHz i5, 3.5GHz i5, 3.8GHz i5, 4.2GHz i7
Install Videos coming soon
iMac Intel
iMac w/Retina 5K display
(27-inch Late 2015)
(October 2015)
Model ID:iMac17,1
3.2GHz i5, 3.3GHz i5, 4.0GHz i7
iMac Intel
iMac w/Retina 5K display
(27-inch Mid 2015)
(May 2015)
Model ID: iMac15,1
3.3GHz i5, 3.5GHz i5, 4.0GHz i7
iMac Intel
iMac w/Retina 5K display
(27-inch Late 2014)
(October 2014)
Model ID: iMac15,1
3.5GHz i5, 4.0GHz i7
iMac Intel
iMac (27-inch Late 2013)
(September, 2013)
Model ID: iMac14,2
3.2GHz i5, 3.4GHz i5, 3.5GHz i7
iMac Intel
iMac (27-inch Late 2012)
(October 2012)
Model ID: iMac13,2
2.9GHz i5, 3.2GHz i5, 3.4GHz i7


  • (1) High-capacity HDD
  • (1) OWC In-line Digital Thermal Sensor Cable
  • (2) OWC 2-1/4" Suction Cup
  • (1) Torx T10 driver
  • (1) Torx T8 driver
  • (1) 27" iMac Adhesive tape set for proper display resealing
  • (1) Nylon Pry Tool (Spudger)
  • (1) OWC Screen Removal Tool
  • (1) OWC Blue Microfiber Screen Cleaning Cloth

NOTE: This kit contains consumable and/or one time use components and therefore is non-refundable if opened. If you have any concerns about your ability to perform the upgrade, you can return the unopened kit for a refund.


The best warranty is one you never have to use - but should the need occur - we're proud to provide a superior level of support and service coverage to our customers.

2 Year OWC Solution Limited Warranty

OWC is proud to provide a superior level of support and warranty coverage to our customers. Even when not used, we understand the peace of mind afforded by a longer warranty period. OWC's industry leading coverage is a testament to our confidence in the reliability of the solutions that we offer. OWC solutions are engineered to demanding quality standards in order to deliver the most reliable, highest performance available on the market in each storage category.

Customer Ratings

Write a Review 5 / 5 9 out of 9 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: nirvana99
Rating: 5/5 patience January 30, 2017 this upgrade is rated difficult but with patience it's pretty easy go slow removing the display.the sshd is definitely faster so enjoy

I would recommend this item to a friend! This review is from DIY Kit: 2.0TB 7200RPM SSHD Upgrade/Replacement Kit for Apple iMac (all 2012 and later 27" models). Customer Videos:

DIY Bundle 2.0TB HDD Upgrade Kit For All 2012 and later 27" iMac models Mfr P/N: YIMAC272H2.0 MacSales.com SKU: OWCYIMAC272H2.0 Complete DIY kit for upgrading the hard drive in your 2012 and later 27" iMac 2 Year OWC Limited Warranty Ships: Same Day Only $149.99Bundle Priced for $109.75
Add to CartOther World Computing YIMAC272H2.0 In Stock, Click to Buy Now
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