According to our sources, GT200’s final product name and launch day have been set. Two NVIDIA GeForce card will use the core, they are 9900GX2 and 9900GTX.
It is similar to today’s NV tactic: 9900GX2 just like todays 9800GX2, it is a two GPU product, and 9900GTX is a conventional single GPU product.source mentions that both cards will be announce in July. In previous rumors, words have it that NV will improve G9X core by rolling out GT200. But detailed information still unknown.
Source EXpreview
If they are releasing a GX2 version im wondering whether the single card will be a big step forwards or just another revision.