4 Port Switch HUB 2.0 Hub High Speed Power Splitter-Black

USB 3.0 HUB Multi USB Splitter 7 Port Expander Multiple USB 3 Hab Use Power Adapter USB3.0 Hub with Switch For PC

(1)Do not used for charging , it is used for offering more usb ports to Transfer file

(2)The specification of the power supply is 3.5*1.35mm  5V 1A,  it support  less than 1TB hard disk , if your hard disk is  more than 1TB , then the power supply not suit you

(3) The power supply can solve the problem of insufficient power supply, if you need work with a hard disk , then you should choose the with power supply , and please note ,please don't use more than 2 hard disk at the same time(4) The power supply  can improve the usb transmission speed, insufficient power supply will lead to reduced data transmission, error code, with power can improve reliability.
Welcome to my store!Thank you for purchasing the products in our store, we hope to give you a pleasant shopping experience.You could pay more attention to our store,more exquisite products are waiting for you.We QC the products during shipment to ensure that the products are delivered to you with the best quality.1. Dear customers can keep an eye on our shop as we are constantly updating our product range and running daily sales and discounts on our products.-Research-COD2. We always check the quality of our products before delivery to ensure that they are delivered to you in the best possible condition.If there is any dissatisfaction please contact us.