2-Port USB 3.0 , USB 3.0 Hub Controller Adapter with Internal 20-Pin Connector - Expand Another Two USB 3.0 Ports

Description:

-E to USB 3.0 2 port expansion 9-pin power connector with 1x USB 3.0 20-pin connector.
step update your windows computer to USB3.0 easily with to USB3.0 controller adapter card; 1 USB 3.0 20-pin connector (expand another two USB 3.0 ports).
USB 3.0 support transfer rates of up to 5 .
Built-in with 4-pin IDE Power Connector for added power source to better support bus-powered devices.
Compatibility: Works great with Windows XP 32/64, Windows 7 32/64, Windows8, Windows8.1, Windows10.

Specification:

Bus : -E x1
Compatible Slots: -E x1 / x4 / x8 / x16
USB Interface: 2 USB3.0 Ports
Transmission Rate: USB3.0, 5Gb / s
Support Operating System: Windows XP 32/64, Windows 7 32/64, Windows8, Windows8.1, Windows10
Size:120*20*70mm
Item Weight: 40g / 1.41oz

Package Includes:

1 Piece -E to USB3.0 Expansion Card
1 Set Screws

Short bracket not included

Note:

To achieve the maximum throughput, the -Express slot must be version 2.0 or Performance per port may decrease if multiple ports are transferring data simultaneously due to throughput of the -Express slot.
To meet USB 3.0 transfer speed, high quality USB 3.0 cables and devices are required.
For both 32-bit & 64-bit OSes.
Make sure the power is well connected; otherwise you will see a "Power Port" message error and no 5V bus power in USB ports.