It has the maximum of 6 gigs and a nice SATA SSD. It really does most things well, and I continued to use it for so long in large part because I didn't have anything better, and in part because it has a good amount of screen real estate (it's a 17").

Newer macOS is surprisingly not bad, even when you install a newer OS (Catalina) on to an older MacBook Pro that doesn't directly support it.