Adattatore scheda USB 3.0 doppia 2 porte PCI-E Express trasferimento 5 Gbps per slot laptop
Suitable for laptop and desktop with 34mm slot. Support USB series specifications (Compatible USB 1.1 Full-Speed / 2.0 High-Speed). 2 USB 3.0 specifications port. Otherwise deal is final. we will try our best to help you.