Sabrent HB-UM43 4 Port USB 3.0 Hub with Power Switches - Black for sale online | eBay
SABRENT Premium 4 Port Aluminum USB 3.0 Hub (30" Cable) for iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, or Any PC [Silver] (HB-MAC3) - Newegg.com
Amazon.com: Sabrent 4-Port USB Hub, USB 3.0 Fast Data Hub with Individual LED Power Switches, 2 Ft Cable, Slim & Portable, for Mac & PC (HB-UM43) : Electronics
Sabrent 13 Port Powered USB Hub – Flight Velocity
Amazon.com: SABRENT 4 Port USB 2.0 Hub [90°/180° Degree Rotatable] (HB-UMN4) : Everything Else
Add some USB ports with this super-flexible Sabrent hub for just $11 | Macworld