1.0TB OWC HDD Upgrade/Replacement Kit
for 21.5-inch iMac (Late 2012 - 2019)
Mfr P/N: YIMAC212H1.0T OWC SKU: OWCYIMAC212T1.0
Complete DIY kit for upgrading the hard drive in your 21.5-inch iMac (Late 2012 - 2019)
- Easily expand your iMac's internal storage
- DIY easy: Includes all the tools and parts you'll need to complete the install yourself
- No drivers or extra software required for operation
- 2 Year OWC Limited Warranty
Improve Performance and Capacity
OWC's solution is the only on the market allowing a third-party SATA drive to be installed in your iMac. Everything you need to install a high capacity HDD in a 21.5-inch iMac (Late 2012 - 2019).
SoftRAID Pre-Certified
For your convenience, the included drive has been SoftRAID pre-certified and formatted for use with the Mac OS.
- Before attempting this installation, OWC recommends watching the associated instructional video in its entirety to determine your ability to perform this complex procedure. OWC assumes no responsibility for damage that may occur during the install.
Includes
- (1) 2.5-inch SATA Hard Drive
- (2) 2.25-inch Suction Cup
- (1) Torx T10s Driver
- (1) Screen Removal Tool
- (1) Nylon Pry Tool (Spudger)
- (1) Adhesive Strip Set
- (1) OWC Blue Microfiber Screen Cleaning Cloth
- 2 Year OWC Limited Warranty
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.
Specs
1TB HGST Travelstar 5K1000 2.5-inch SATA 6.0Gb/s 5400RPM Hard Disk Drive
Total Capacity
- 1.0TB
Formatted Capacity
- 931GiB
Drive Format
- Unformatted (Instructions on formatting here)
Rotational Speed
- 5,400RPM
Cache Data Buffer
- 8 MB
Form Factor
- 2.5-inch 9.5mm
Drive Interface
- SATA 6.0 Gb/s
Transfer Rate
- up to 6.0Gb/s
Average Latency
- 6 ms
Average Seek Time
- 12 ms
Contact Start Stops
- 600,000
Read Mode (Max)
- Up to 1.6 Watts
Write Mode (Max)
- Up to 1.6 Watts
Seek Mode (Max)
- Up to 1.8 Watts
Idle Mode (Max)
- Up to 1.5 Watts
Dimensions
- Height: 0.9 cm (0.4 in)
- Length: 10.0 cm (4.0 in)
- Width: 7.0 cm (2.7 in)
Weight
- 115.0 g (0.25 lbs)
Number of Disks
- 2
Bytes per Sector
- 512
Areal Density
- 694Gb/in2
RoHS Compliant
- Yes
Ambient Temperature
- Operating: 32°F to 140°F (0°C to 60°C)
- Non-Operating: -40°F to 149°F (-40°C to 65°C)
Altitude
- Operating: 2.6 m to 3,048.0 m (9 ft to 10,000 ft)
- Non-Operating: -304.8 m to 12,192.0 m (-1,000 ft to 40,000 ft)
Humidity
- Operating: 8% to 90% non-condensing
- Non-Operating: 5% to 95% non-condensing
Shock
- Operating: 400 G max at 2 ms
- Non-Operating: 1000 G max at 1 ms
Idle (Typical)
- 2.4 bels
Seek (Typical)
- 2.6 bels
Applications
- Notebook PCs
- External Storage
- Gaming Consoles
- Small-form-factor Video Devices
OWC Microfiber Wipe
Color
- Blue
Dimensions
- Length: 30.5 cm (12.0 in)
- Width: 30.5 cm (12.0 in)
Apple Display Resealing Adhesive Tape
Apple Equivalent Part Number
- 076-1419
Compatibility & Installation Videos

iMac (Retina 4K, 21.5-inch, Early 2019)
Early 2019
Model ID: iMac19,2
3.6GHz Core i3 & 3.0GHz Core i5 & 3.2GHz Core i7

iMac (Retina 4K, 21.5-inch, Mid 2017)
Mid 2017
Model ID: iMac18,2
3.4GHz & 3.0GHz Core i5 & 3.6GHz Core i7

iMac (21.5-inch, Late 2015)
Late 2015
Model ID: iMac16,2
2.8GHz Core i5

iMac (Retina 4K, 21.5-inch, Late 2015)
Late 2015
Model ID: iMac16,2
3.1GHz Core i5 & 3.3GHz Core i7

iMac (21.5-inch, Late 2015)
Late 2015
Model ID: iMac16,1
1.6GHz Core i5

iMac (21.5-inch, Late 2013)
Late 2013
Model ID: iMac14,3 & iMac14,1
2.9GHz & 3.1GHz Core i7 & 2.7GHz Core i5

iMac (21.5-inch, Late 2012)
Late 2012
Model ID: iMac13,1
2.7GHz & 2.9GHz Core i5 & 3.1GHz Core i7