Chosen Solution

Hi, I’m looking for recommendations please for an SSD 500gb drive upgrade to a late 2009 27” IMac. Was thinking of something like this: https://www.amazon.co.uk/Western-Digital

You will need a drive that is backward compatible to SATA II 3.0Gb/s. Most are just SATA III 6.0 Gb/s. iMac Intel 21.5" and 27" (Late 2009-Mid 2010) SSD Upgrade Kit Here’s how to do it: iMac Intel 27" EMC 2309 and 2374 Hard Drive Replacement