Do I need to replace old RAM when upgrading?
I have a late-2008 Macbook Pro 15-inch 2.4 GHz Intel Core 2 Duo with 1x 2GB DDR3 RAM card in one of the two slots. The other slot is empty. That RAM Card came with the laptop, so it is 7 years old now. I want to max out the RAM at 4GB. Can I leave that RAM Card and just buy another 2GB card or is it better to buy 2x brand new 2GB cards? Or does it not make a difference in performance at all? Thanks.
MacBook Pro (15-inch Late 2008), OS X Mavericks (10.9.5)
