If you've purchased a high-end motherboard in recent months, it's likely outfitted with USB 3.0 support -- but is your case? Probably not. Besides spanking new models, most desktop chassis still come with USB 2.0 ports on the front panel, and that includes Corsair's Obsidian 700D and 800D. Both $270 full-tower enclosures ship with the dated USB spec and that undoubtedly discourages some enthusiast shoppers, especially since competing cases such as the .