TLDR; yes, it is possible to add an SSD to a 2011 27" iMac without going through too much hoopla. Between everyone having issues finding parts, non-workable guides (due to parts), and general ...

I'm using a fairly middle of the road 27" iMac at work - i5, 8GB, spinning HD. The machine itself is fine, but the lack of SSD is killing me. I wouldn't want to risk an internal upgrade on this ...

At $2699, it might be expensive, but the 27-inch iMac we customized with a 3.4GHz Core i7 quad-core processor and a 256GB SSD is the fastest Mac weu2019ve tested to date.

21.5-inch 2.7GHz Core i5 iMac with SSD (Mid 2011): Speedmark 6.5 scores Longer bars are better. Blue bars in italics represent reference systems.

iFixit recommends adding a smaller, cheaper SSD and using that as your boot drive while using your HDD for media files and things of the like. Hard to go against that advice. [iFixit] ...

My "vintage" mid 2011 iMac is my daily driver. I have upgraded the RAM to 16GB and put an SSD as primary disk while keeping the HDD as second, removing the dvd.

The iMac Mid 2011 Dual Hard Drive Kit ($69.95) is available for both the 21.5-inch and 27-inch models and comes with a Custom SATA power cable, SATA data cable, custom-cut 3M VHB double-sided ...

Mid 2011 One 'Mid 2011' story March 2012 See All Stories AAPL Company iMac iFixit SSD 21.5-inch iFixit launches Dual Hard Drive Kit and guides for Mid 2011 iMacs Jordan Kahn Mar 6 2012 - 6:46 am ...

If you want an internal SSD larger than 1TB, you have to start with the top-of-the-line 3.7GHz model, costing $300 more than the mid-range 27-inch iMac that’s the usual sweet-spot.