USB 3.0 & 2.0 Hub Card Reader Interface: USB 3.0, SD/SDHC/MicroSD/MS Pro. Chipsets: VIA VL810; Realtek RTS5182 Interfaces/Ports: 4 x USB 3.0 (3 Input, 1 Output); 1 Micro SD/SDHC; 1 MSHG/MS Pro; 1 SD/SDHC/SDXC Data Transfer Rate: Up to 5Gb/s with USB 3.0 Certifications/Standards: FCC, CE, WEEE, RoHS Product Dimensions: 3.46" x 0.79" x 3.46". Product Weight: 0.33 lbs Provides 3 USB 3.0, 3 USB 2.0 ports and a USB 2.0 multi-port SD/MS card reader Works with high-bandwidth SuperSpeed USB 3.0 devices, such as external hard disks, memory card readers, high resolution webcams, camcorders, digital video cameras, multi-channel audio, and more Supports Secure DigitaSD/mini-SD/Micro-SD/SDHC/micro-SDHC/SDXC, Memory Stick MS/MS-PRO/MS Duo/MS-PRO Duo/Micro-MS (M2)/MSPRO-HG Duo (8-bit), and more Built-in over-current protection to protect both connected devices and the hub itself from unforeseen power surges Wide clearance between USB ports to avoid USB devices from interfering with one another