1. 4 Port USB Hub with 2.0 Interface 2. Material: ABS 3. Professional manufacturer 4. High quality, good price 5. OEM is ok ... Model Number:HY0052HPorts:4 portsStyle:USB HUBChipset:F1.1Interface:USB2.0/1.1Transfer rate:480MbpsCurrent:500mA ... SR2 or over, 98SE, Me, 2000, XP, Vista), Linux 2.4 and Mac 10.4 or over