Part Number  | 
                                    PCE-USB4-00A1E  | 
                                    PCE-USB8-00A1E  | 
                            
I/O  | 
                                    ||
USB3.0  | 
                                    4  | 
                                    8  | 
                            
Environment  | 
                                    ||
Temperature (Operating)  | 
                                    0~60°C(32 ~140°F)  | 
                                    0~60°C(32 ~140°F)  | 
                            
Temperature (Storage)  | 
                                    -40~85°C(-40 ~185°F)  | 
                                    -40~85°C(-40 ~185°F)  | 
                            
General  | 
                                    ||
Bus  | 
                                    PCIe  | 
                                    PCIe  | 
                            
Certifications  | 
                                    CE, FCC, RoHS  | 
                                    CE, FCC, RoHS  | 
                            
Dimensions  | 
                                    118 x 111 mm  | 
                                    118 x 111 mm  | 
                            
Communications  | 
                                    ||
Ports  | 
                                    4  | 
                                    8  | 
                            
Serial/CAN/GPIB/USB  | 
                                    USB 3.0  | 
                                    USB 3.0  | 
                            
Power  | 
                                    ||
Current  | 
                                    1500mA per port  | 
                                    1500mA per port  |