Flexx DIY Bundle with Transcend SSD to swap main HDD for SSD on 21.5-inch iMac 2012 to 2019

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DIY Bundle kit with Transcend 230S series SSD and tools for 21.5-inch 2012 to 2019 iMacs

This bungle is made with Transcend 230S SSD and installation tools to service 21.5-inch Apple iMac models released from 2012 to 2019

The complete solution for your 2012 and later 21.5" iMac
Experience the extreme performance of a Transcend 230S SSD upgrade with this easy DIY SSD and hard drive replacement kit. Add an SSD to your hard drive equipped iMac to experience faster booting, near instant application launches and data transfer speeds up over 500 MB/s.

Fast and reliable solid-state storage
Delivering the latest in flash NAND and controller technology, utilizing SLC and 3D NAND for long-lasting, power-efficient performance, the Transcend 230S series 6G SSD line offers a powerful combination of performance and reliability for demanding everyday computer users.

A True DIY upgrade
This comprehensive kit has all the tools you need to replace your factory HDD with a high-performance SSD, bringing a complete DIY upgrade within your reach. Includes drivers, glass removal suction cups, and screen adhesive so you can get the job done yourself. The included Express 2.5" USB 3.0 enclosure offers maximum mobile data storage/backup potential with a sleek, totally bus powered design. Just add your iMac's factory 2.5" hard drive or SSD and take your digital life with you wherever you roam!

Please note that before attempting to perform this installation, it is recommended you watch 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 installation.

(1) Transcend 230S series 6G SSD
(1) OWC Express enclosure - black
(2) OWC 2-1/4" Suction Cup
(1) Torx T10 driver
(1) 21.5" 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.

SSD Specification  
Available Capacities  256GB/ 512GB/ 1TB/ 2TB/ 4TB
Form Factor  2.5 Inch
Interface SATA III 6Gbps
Also Compatible with SATA II 3Gbps
Also compatible with SATA 1.5Gbps
Sequential Read/Write (CrystalDiskMark)*

256GB - up to 530 MBs / 400 MBs   PDF Specification sheet

512GB - up to 560 MBs / 500 MBs   PDF Specification sheet

1TB - up to 560 MBs / 500 MBs        PDF Specification sheet

2TB - up to 560 MBs / 520 MBs        PDF Specification sheet

4TB - up to 560/520 MB/s               PDF Specification sheet

4K Random Read/Write (IOmeter)

4 TB - up to 90,000/85,000 IOPS

2 TB - up to 85,000/89,000 IOPS

1 TB - up to 85,000/85,000 IOPS

512 GB - up to 65,000/85,000 IOPS

256 GB - up to 65,000/85,000 IOPS

Terabytes Written (TBW) 4 TB - 2,240 TBW
2 TB - 1,120 TBW
1 TB - 560 TBW
512 GB - 280 TBW
256 GB - 140 TBW
Power Management 5V±5%
Power consumption (read) (Watt) / Power consumption (write) (Watt) 256GB - Read 1,75 / Write 1,85
500GB - Read 1,9 / Write 2,0
512GB - Read 1,9 / Write 2, 
1TB - Read 2,1 / Write 2,1
Operating Temp 0°C (32°F) ~ 70°C (158°F)
Mean Time Between Failures (MTBF) 2,000,000 hour(s)
Drive Writes Per Day (DWPD) 0.3 (5 yrs)
Certificate CE/ FCC/ BSMI/ KC/ RCM/ UKCA
TRIM & NCQ Command Yes
S.M.A.R.T. Yes
DDR3 DRAM Cache Yes
Advanced Garbage Collection Yes
DevSleep Mode Yes
RAID Engine Yes
LDPC Coding Yes
Warranty 5-years
Note Speed may vary due to host hardware, software, usage, and storage capacity.
The workload used to rate DWPD may be different from your actual workload, which may vary due to host hardware, software, usage, and storage capacity.
Terabytes Written (TBW) expresses the endurance under the highest capacity.
For Mac users please visit our Apple Solutions here.
2,5-inch External enclosure specification

Compact and versatile – No AC Adapter Required!
The OWC Express 2.5" USB 3.0 Enclosure offers maximum mobile data storage/backup potential with a sleek, totally bus powered design. Just add your own 2.5" Serial ATA (SATA) I/II/III hard drive or SSD up to 9.5mm height and take your digital life with you wherever you roam!

OWC Express 2.5" SATA Hard Drive or Solid State Drive Enclosure
High-Quality Double Shielded USB 3.0 connecting cable
Printed Guide
Carrying sleeve
1 Year OWC Enclosure Limited Warranty with 48-Hour Turnaround Time

5 years warranty


iMac w/Retina 4K display (21.5-inch Early 2019) (March 2019) Model ID:iMac19,2 - A2116 - EMC3195 | 3.6GHz i3, 3.0GHz i5, 3.2GHz i7
iMac w/Retina 4K display (21.5-inch Mid 2017) (June 2017) Model ID:iMac18,2 - A1418 - EMC3069 | 3.0GHz i5, 3.4GHz i5, 3.6GHz i7
iMac (21.5-inch Mid 2017) (June 2017) Model ID:iMac18,1 - A1418 - EMC3068 | 2.3GHz i5
iMac w/ Retina 4K display (21.5-inch Late 2015) (October 2015) Model ID:iMac16,2 - A1418 - EMC2833 | 3.1GHz i5, 3.3GHz i7
iMac (21.5-inch Late 2015) (October 2015) Model ID:iMac16,2 - A1418 - EMC2889 | 2.8GHz i5
iMac (21.5-inch Late 2015) (October 2015) Model ID:iMac16,1 - A1418 - EMC2889 | 1.6GHz i5, 2.8GHz i5
iMac (21.5-inch Mid 2014) (June 2014) Model ID: iMac14,4 - A1418 - EMC2805 | 1.4GHz i5
iMac (21.5-inch Late 2013) (September 2013) Model ID: iMac14,3 - A1418 - EMC2742 | 2.9GHz i5 or 3.1GHz i7
iMac (21.5-inch Late 2013) (September 2013) Model ID: iMaciMac14,1 - A1418 - EMC2638 | 2.7GHz i5
iMac (21.5-inch Early 2013) (March 2013) Model ID: iMac13,1 - A1418 - EMC2545 | 3.3GHz i3
iMac (21.5-inch Late 2012) (October 2012) Model ID: iMac13,1 - A1418 - EMC2544 | 2.7GHz i5 , 2.9GHz i5, 3.1GHz i7