250GB OWC Mercury Electra 6G
DIY SSD Bay Add-In Kit for 27-inch iMac (2011)
Mfr P/N: K27IM11SE250 OWC SKU: OWCK27IM11SE250
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Must purchase with: Parallels Desktop Pro Edition for Mac - 1 Year License. SPECIAL PURCHASE
Complete DIY kit for adding an SSD to the internal SSD bay of your 27-inch iMac (2011)
- Brings 6G speed and performance to your system
- Easily expands your internal storage
- Included durable toolkit makes installation easy
- No drivers or extra software required for operation
- 3 Year OWC Limited Warranty
The complete solution for your 2011 iMac
Configuration flexibility is yours when you add a second internal drive using the OWC SSD Bay Add-In Kit. Boost your storage capacity by adding additional storage, and enjoy near-instantaneous boot and app loading times thanks the performance of an OWC Mercury Electra 6G SSD.
Fast and reliable solid-state storage
With incredible sustained data speeds, up to 100X greater data protection than enterprise class hard drives, and RAISE technology for RAID like data protection and reliability, the OWC Mercury Electra 6G SSD line delivers unbeatable performance.
We are here to help
The OWC SSD Bay Add-In Kit comes backed by OWC's award-winning U.S.A. based technical support team which is readily available to assist you with your upgrade should you have any questions. If you are not fully confident of your ability to add an SSD to your 2011 27-inch iMac, you can choose to have OWC "Do It For You" via our Turnkey Upgrade Installation Program.
- 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) OWC Mercury Electra 6G Solid-State Drive
- (1) iMac to SSD SATA 6Gb/s Data & Power Cable
- (2) 2.25-inch Suction Cup
- (1) Torx T10s Driver
- (1) Torx T6s Driver
- (1) Phillips PH2 Driver
- (1) Nylon Pry Tool (Spudger)
- (1) Adhesive Strip Set
- (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
250GB 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.
Total Capacity
- 250GB Useable Capacity
- Total Capacity: 256GB
- 6GB Allocated to real-time data redundancy and error correction
Formatted Capacity
- 233GiB
Drive Format
- Unformatted (Instructions on formatting here)
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 54,000 IOPS
Random 4K Write
- Up to 81,000 IOPS
Sequential Read (Max)
- Up to 535 MB/s
Sequential Write (Max)
- Up to 465 MB/s
Nonrecoverable Read Errors
- 1 per 1015 bits read
MTBF (Mean Time Between Failures)
- 1,500,000 hours
Wear Leveling
- Supported
TRIM Support
- OS Dependent
Error Correction
- Built-in ECC
Security
- ATA Security Feature Command Set And Password Login Support
Mac OS Compatibility
- Yes
PC OS Compatibility
- Yes
Other Requirements
- Requires a Mac, PC, or drive enclosure with an available SATA drive bay. SATA III (6.0 Gb/s) required for best performance.
Idle Mode (Max)
- Up to 0.1 Watts
Dimensions
- Height: 0.7 cm (0.3 in)
- Length: 10.0 cm (4.0 in)
- Width: 7.0 cm (2.7 in)
Weight
- 60.0 g (0.13 lbs)
RoHS Compliant
- Yes
Reach Certification
- 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)
Humidity
- Operating: 5% to 95% non-condensing
Shock
- Operating: 1500 G max at 0.5 ms
- Non-Operating: 1500 G max at 0.5 ms
Idle (Typical)
- 0.0 bels
Seek (Typical)
- 0.0 bels
Applications
- All-purpose SSD
Compatibility & Installation Videos

iMac (27-inch, Mid 2011)
Mid 2011
Model ID: iMac12,2
2.7GHz & 3.1GHz Core i5 & 3.4GHz Core i7