TechwareLabs has a review of the NZXT IU01 Internal USB Expansion HUB Device

Will gives us a quick look at the NZXT IU01 Internal USB Expansion Device, a USB hub for people who hate USB hubs. Consisting of nothing more than a single printed circuit board and a pair of cables, it turns one of the USB headers on your motherboard into four, providing three headers and two internal USB ports.

NZXT IU01 Internal USB Expansion HUB Device Review