A:AnswerThe GXiVR1000B has 3x USB 3.0 and 6x USB 2.0 ports. If you have any additional inquiries, please contact us toll-free at 888-937-5582. Thank you.
A:AnswerMotherboard for SLC8360B supports SLI. The brand may vary depending on what is available at the time of production. The specifications will remain the same. If you have any further inquiries, please contact us at (888)937-5582. Thank you.
A:AnswerThis model has an Intel Z170 chipset motherboard. If you have any additional inquiries, please contact us toll-free at 888-937-5582. Thank you.
A:AnswerBased on their website, I am going to say either MSI or ASUS. You should contact them at their website and ask them as well. As for SLI, I am not sure, I'd say search the GPU and see. Nvidia's website is a good place to start! :D