10 set dual port sata to power esata esatap 9pin to usb 2.0 converter expansion rear bracket card for deskcomputer

feature: this converter card can achieve 2 functions: 1: connect 9pin usb cable with motherboard, expand 2 usb ports outside; 2: connect 2 sata cable with motherboard, expand 2 power esata ports outside and use for 2.5" 3.5" 5.25" hard drive and optical device both need to connect the 4pin sata power cord by the above usage. cable length:30cm