1-800-275-4576
120GB OWC Mercury Electra 6G
SSD Upgrade and HDD Replacement Kit for 21.5-inch iMac (2012 - 2019)
Mfr P/N: K21IM12HE120 OWC SKU: OWCK21IM12HE120
$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
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Complete DIY kit for upgrading to an SSD in your HDD-equipped 21.5-inch iMac (2012 - 2019)
- Add a high-performance OWC 6G SSD to your iMac.
- Includes a pocket-sized bus-powered USB enclosure – reuse your iMac's HDD for external storage.
- Includes all the tools you'll need to complete the upgrade yourself.
- Backed by free DIY install videos and expert support.
- 3 Year OWC Limited Warranty
In Stock: Ships Same Day!
The complete solution for your 2012 - 2019 21.5-inch iMac
Fast and reliable solid-state storage
A True DIY upgrade
- 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
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- (1) OWC Mercury 6G SSD
- (1) OWC Express USB 3.0 Enclosure
- (2) 2.25-inch Suction Cup
- (1) Torx T10s Driver
- (1) Adhesive Strip Set
- (1) Nylon Pry Tool (Spudger)
- (1) Screen Removal Tool
- (1) OWC Blue Microfiber Screen Cleaning Cloth
- 3 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
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OWC Microfiber Wipe
Color
- Blue
Dimensions
- Length: 30.5 cm (12.0 in)
- Width: 30.5 cm (12.0 in)
120GB OWC Mercury Electra 6G 2.5-inch 7mm SATA 6.0Gb/s Solid-State Drive
- Use of a 2.5-inch SSD in a 3.5-inch drive bay requires an adapter bracket such as the NewerTech AdaptaDrive.
- Use of any SSD in an external enclosure is dependent on the power available from the enclosure. OWC Mercury Electra 6G and Mercury Extreme Pro 6G SSDs are engineered for use in any OWC Enclosure that supports 2.5-inch SSDs.
Capacity
- 120GB Useable Capacity
- Total Flash Memory Components: 128GB
- 8GB Allocated to real-time data redundancy and error correction
Formatted Capacity
- 112GiB
Drive Format
- Unformatted (Instructions on formatting here)
Controller
- SandForce 2281 Series Processor with 7% over-provisioning
NAND Flash Components
- Tier 1 Asynchronous Multi-Level Cell (MLC) NAND Flash
S.M.A.R.T. Attributes
- Standard attributes supported
Native Command Queuing (NCQ)
- Up to 32 simultaneous commands
RAID Support
- Yes
Form Factor
- 2.5-inch 7mm
Drive Interface
- SATA 6.0 Gb/s
Random 4K Read
- Up to 60,000 IOPS
Random 4K Write
- Up to 60,000 IOPS
Sustained Read (3Gb/s)
- Up to 284 MB/s
Sustained Write (3Gb/s)
- Up to 268 MB/s
Sustained Read (6Gb/s)
- Up to 556 MB/s
Sustained Write (6Gb/s)
- Up to 523 MB/s
Read Latency (Max)
- 100 µs
Write Latency (Max)
- 100 µs
Read Incompressible Data Rate (up to)
- 208 MB/s
Write Incompressible Data Rate (up to)
- 235 MB/s
Nonrecoverable Read Errors
- 1 per 1016 bits read
TRIM Support
- OS Dependent
Error Correction
- Built-in ECC
Security
- Chip Based Data Encryption: 128-bit AES-compliant
Dimensions
- Height: 0.7 cm (0.3 in)
- Length: 10.0 cm (3.9 in)
- Width: 7.0 cm (2.8 in)
Weight
- 77.0 g (0.17 lbs)
RoHS Compliant
- Yes
Ambient Temperature
- Operating: 32°F to 158°F (0°C to 70°C)
- Non-Operating: -40°F to 185°F (-40°C to 85°C)
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)
Idle (Typical)
- 0.0 bels
Seek (Typical)
- 0.0 bels
OWC Express USB 3.2 (5Gb/s) Bus-Powered Portable External Storage Enclosure
Drive Bays
- 1 bay supporting: 2.5-inch SATA drives
- Supports drives up to 2.2TB in capacity and up to 9.5mm in size
Storage Interface
- SATA
Device Ports
- (1) USB 3.2 Gen 1 Micro-B Port
Data Transfer Rate (Maximum)
- USB 3.2 Gen 1 : Up to 5Gb/s (or 625MB/s)
- USB 2.0 : Up to 480Mb/s (or 60MB/s)
- USB 1.1 : Up to 12Mb/s (or 1.5MB/s)
Chipset / Controller
- JMicron 20329
MTBF (Mean Time Between Failures)
- Varies depending on drive mechanism installed
Contact Start Stops
- Varies depending on drive mechanism installed
Mac OS Compatibility
- Mac OS 8.6
- Mac OS 9.0
- Mac OS 9.1
- Mac OS 9.2
- Mac OS X 10.0 Cheetah
- Mac OS X 10.1 Puma
- Mac OS X 10.2 Jaguar
- Mac OS X 10.3 Panther
- Mac OS X 10.4 Tiger
- Mac OS X 10.5 Leopard
- Mac OS X 10.6 Snow Leopard
- Mac OS X 10.7 Lion
- Mac OS X 10.8 Mountain Lion
- OS X 10.9 Mavericks
- OS X 10.10 Yosemite
- OS X 10.11 El Capitan
- macOS 10.12 Sierra
- macOS 10.13 High Sierra
- macOS 10.14 Mojave
- macOS 10.15 Catalina
- macOS 11.x Big Sur
- macOS 12.x Monterey
- macOS 13.x Ventura
- macOS 14.x Sonoma
- macOS 15.x Sequoia
PC OS Compatibility
- Windows NT 4.0
- Windows 98
- Windows 98 SE
- Windows 2000
- Windows ME
- Windows XP
- Windows XP 64-bit Edition
- Windows XP Professional x64 Edition
- Windows Vista
- Windows 7 32-bit Edition
- Windows 7 64-bit Edition
- Windows 8 32-bit Edition
- Windows 8 64-bit Edition
- Windows 8.1 32-bit Edition
- Windows 8.1 64-bit Edition
- Windows 10 32-bit Edition
- Windows 10 64-bit Edition
- Windows Server 2019
- Windows Server 2022
- Windows 11
Other OS Compatibility
- Linux
External Power Adapter
- No
Power Supply
- Bus-powered
Security Slot
- No
Power/Activity LED
- Yes
Housing Color
- Discreet Black
Housing Material
- ABS plastic
Dimensions
- Height: 1.4 cm (0.6 in)
- Length: 13.0 cm (5.1 in)
- Width: 7.8 cm (3.1 in)
Weight
- 56.0 g (0.12 lbs)
Country of Origin
- China
TAA Compliance
- No
Altitude
- Non-Operating: Varies depending on drive mechanism installed
Noise
- Varies depending on drive mechanism installed
Compatibility & Installation Videos
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Videos
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Learn More
Customer Reviews
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This work is not for the faint of heart for sure, but if you have opened laptop or phone before, and/or if this is what stands between you and a working iMac - I'd highly recommend taking the leap and using the kit. Everything worked as planned and as explained in the videos.
I would recommend this product to a friend!
Verified Purchase.- Reviewer:SuperSnake-87599
Wow, thank you so much for your fantastic 5-star review! We're thrilled to hear that the kit worked perfectly for you and that our videos helped guide you through the process. It's great to see such enthusiasm for taking on a project that can be a bit daunting! Your recommendation means a lot to us, and we're so glad you were able to revive your iMac. Keep up the great work, and happy DIY-ing!
I have Googled and researched into making my computer a little faster once I did I reached out to your company to purchase a new hard drive. What a substantial difference in speed and I cannot believe that I waited this long for this purchase. Instead of purchasing a new computer which would cost me a lot more money than it will investment of a hard drive is really what I needed. I love the product and your tutorial of how to install it was very gratifying. I will definitely tell my friends about it and your product was great and works very well for me thanks again
I would recommend this product to a friend!
Verified Purchase.- Reviewer:cs2930
Wow, thank you so much for your amazing review! We're thrilled to hear that our hard drive made such a substantial difference in your computer's speed! It’s fantastic that you found our installation tutorial helpful—empowering our customers to upgrade their systems is what we love to do. We're grateful for your support and can't wait for your friends to experience the same incredible upgrade! Your satisfaction truly means the world to us! Please feel free to contact us if you have any further questions, comments, or concerns. https://eshop.macsales.com/Service/
Great experience overall.
I would recommend this product to a friend!
Verified Purchase.- Reviewer:Reviewer278314371
We are thrilled to hear that you had a great experience with us! Your satisfaction means the world to us, and we truly appreciate your feedback. Thank you for taking the time to share your thoughts! Please feel free to contact us if you have any further questions, comments, or concerns. https://eshop.macsales.com/Service/
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