Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5)
a fair assumption! in fact, if the op doesn't know how much ram is in it, and doesn't know how to replace the ram, they may not realize they have an air with soldered ram. macs can be confusing to the uninitiated.