Following entry of USB 3.0 SuperSpeed specification, chip-makers such as Renesas, ASMedia, Etron, and VIA made a killing selling third-party USB 3.0 host controllers to motherboard, desktop, and notebook vendors, which ended after Intel launched its 7-series chipset featuring an integrated 4-port USB 3.0 host controller, resulting in drop in demand for third-party chips. These companies each have USB 3.0 hub controllers, and could help drive growth of the specification with USB 3.0 hubs, devices which multiply the number of USB ports available. USB 3.0 hub controllers have been slow in receiving USB-IF certification due to difficulties in conducting compatibility tests, which could ease out by 2013, since Renesas' chip already passed certification. Most peripherals and flash drive manufacturers could have USB 3.0 hubs among their product lineups.