With 4GB worth of RAM, this DDR3 upgrade provides an optimal processing speed for your iMac to work with data with incredible results. That means you can open apps instantly, access data with less loading time, and operate a more responsive system regardless of you’re doing a system-intensive task or project. At 1333 MHz, you’ll be able to finish projects faster, better and a lot more consistent than ever.
DDR3 technology integrated into this 4GB