The Aura 6G Solid State Drive from OWC allows you to upgrade your iMac . It features up to 1TB of storage space. It delivers up to a 560 MB/s read speed and 460 MB/s write speed. The drive includes a comprehensive NewerTech toolkit, with all the tools you need to install the Aura SSD. The kit consists of drivers, screws, glass removal suction cups, and screen adhesive so you can get the job done yourself.