4.0TB OWC HDD Upgrade/Replacement Kit
for 21.5-inch iMac (Late 2012 - 2019)
Mfr P/N: YIMAC212H4.0 OWC SKU: OWCYIMAC212H4.0
Save over 75% on Parallels Desktop Pro. Only $119.99 $29.00!
Save over 75% on Parallels Desktop Pro. Only $119.99 $29.00!
$90.99 off - *NOW* Get Parallels Desktop Pro Edition - Windows/Multi OS Compatibility software for Mac - Only $29.00 with select OWC SSDs, HDDs, Memory, External Storage, and Optical Drives! (Limit 3 rebates, 1 rebate per qualifying item)
Must purchase with: Parallels Desktop Pro Edition for Mac - 1 Year License. SPECIAL PURCHASE
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
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
4.0TB Toshiba MQ04AB Series Hard Disk Drive
Capacity
- 4.0TB
Formatted Capacity
- 3725GiB
Drive Format
- Unformatted (Instructions on formatting here)
Rotational Speed
- 5,400RPM
Cache Data Buffer
- 128 MB
Form Factor
- 2.5-inch 15mm
Drive Interface
- SATA 6.0 Gb/s
Idle Mode, Active (Max)
- Up to 70.0 Watts
Dimensions
- Height: 1.5 cm (0.6 in)
- Length: 10.0 cm (3.9 in)
- Width: 7.0 cm (2.7 in)
Weight
- 180.0 g (0.40 lbs)
Bytes per Sector
- 512 / 4k (512e)
RoHS Compliant
- Yes
Altitude
- Operating: -304.8 m to 3,048.0 m (-1,000 ft to 10,000 ft)
- Non-Operating: -304.8 m to 12,192.0 m (-1,000 ft to 40,000 ft)
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