Buffalo offers for the moment in Japan - one of the first USB 3.0 hubs. Indeed, if you have multiple HDD compatible, both managed by the controller connectors NEC μPD720200A fans may limit storage. Measuring 94 x 19 x 62 mm for 58 grams, it offers four connectors and external power of 20 watts. Note that the controller used here is the original through and that - as with all USB hubs - the bandwidth is obviously shared by the different connectors.Available in black or white, the price is around 36 €, which is reasonable.