250GB OWC Mercury Electra 6G
only $57.98 $39.75 You Save $18.23

250GB OWC Mercury Electra 6G

DIY SSD Bay Add-In Kit for 21.5-inch iMac (2011)


Mfr P/N: K21IM11SE250 OWC SKU: OWCK21IM11SE250

$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 adding an SSD to the internal SSD bay of your 21.5-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
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Additional Capacities

120GB
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250GB
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2.0TB
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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 Disk 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 21.5-inch iMac, you can choose to have OWC "Do It For You" via our Turnkey Upgrade Installation Program.
  1. 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 install.

IncludesIncludes

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  • (1) OWC Mercury Electra 6G Solid-State Drive
  • (1) SATA 6GB/s Data Cable
  • (1) iMac SATA Power Cable
  • (2) 2.25-inch Suction Cup
  • (1) Torx T10s Driver
  • (1) Torx T6s Driver
  • (1) Phillips PH2 Driver
  • (1) Nylon Pry Tool
  • (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.

    250GB OWC Mercury Electra 6G 2.5-inch 7mm SATA 6.0Gb/s Solid-State Drive

    1. Use of a 2.5-inch SSD in a 3.5-inch drive bay requires an adapter bracket such as the NewerTech AdaptaDrive.
    2. 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

    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 VideosCompatibility & Installation Videos

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    iMac (21.5-inch, Late 2011)
    iMac (21.5-inch, Late 2011)
    Late 2011
    Model ID: iMac12,1
    3.1GHz Core i3
    Detailed SpecsInstall Videos
    iMac (21.5-inch, Mid 2011)
    iMac (21.5-inch, Mid 2011)
    Mid 2011
    Model ID: iMac12,1
    2.7GHz & 2.5GHz Core i5 & 2.8GHz Core i7
    Detailed SpecsInstall Videos
    4.67 out of 5

    6 out of 6 (100%) reviewers would recommend this product

    Write a Review
    3 star
    2 star
    1 star
    67%
    33%
    0%
    0%
    0%

    Excellent kit with one silly issue

    A very good kit with one silly issue - please change the double-sided pads for mounting the SSD in the optical bay. It's close to impossible to get the cover plastic off without destroying the pads, I just gave up and bought some from the hardware store.

    I would recommend this product to a friend!

    Verified Purchase
    Verified PurchaseVerified Purchase.
    CleanSnake-8165, 
    • Reviewer:CleanSnake-8165

    Excellent kit with one silly issue

    A very good kit with one silly issue - please change the double-sided pads for mounting the SSD in the optical bay. It's close to impossible to get the cover plastic off without destroying the pads, I just gave up and bought some from the hardware store.

    I would recommend this product to a friend!

    Verified Purchase
    Verified PurchaseVerified Purchase.
    CleanSnake-8165, 
    • Reviewer:CleanSnake-8165

    Excellent product - FAST, reliable SSD that breathed new life into my 2011 iMac

    I purchased this SSD way back in January 2017, and 5 years later it is still being used everyday and hasn't missed a beat. I am DELIGHTED with it. Before I put it into my Mid-2011 iMac my computer was soooooo sloooooow. I wanted to throw it out the window. I had previously upgraded the RAM to 12 GB (from 4 GB) and still it was sluggish. But once I switched the Operating System on to the OWC Mercury Electra 6G SSD, it ran so fast! Boot up took less than 20 seconds. It enabled me to get many, many more years of use from my iMac, and now more than a decade later (since the original iMac's manufacture) I'm still using this computer every day. It wouldn't have been possible without the SSD making the system fast and responsive. I HIGHLY recommend this drive from OWC. However, the installation is tricky. It helps if you have another person to hold stuff for you. I did it solo, and it took me 4 hours plus! (I was being ultra-careful, and documenting it as I went.) Allow heaps of time for the install and don't rush it. But it is an upgrade that is well worth it. It really does breathe new life into an old machine. My 2011 iMac is faster and more responsive than my friends 2019 iMac - because he didn't put an SSD into it.

    I would recommend this product to a friend!

    Verified Purchase
    Verified PurchaseVerified Purchase.
    Dub, 
    • Reviewer:Dub
    Response from OWC, Support

    Thank you so much Dub for taking the time to leave your review. We love to hear that your iMac is still running strong with that SSD upgrade you did with our OWC SSD. Please feel free to contact us if you have any further questions, comments, or concerns. Phone 1-800-275-4576 or +1-815-338-8685 Customer Service/Sales & Technical Support - Monday-Friday (8am-8pm CT) - Saturday & Sunday (Closed) Live Chat Technical Support - Monday-Friday (8am-8pm CT) - Saturday (9am-5pm CT) - Sunday (Closed) Live Chat Customer Service/Sales - Monday-Friday (7am-10pm CT) - Saturday & Sunday (9am-5pm CT). Thanks for choosing OWC, and have a great Day!


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