What's in the box:

PCI Express USB3.0 4-Port Expansion Card VIA&NEC Chipset PC Adapter Card PC Converter (Standard)

Features:

• Supports 4 downstream ports for all speeds.
• Supports the following speed data rates as follows: low-speed (1.5Mb/s) / full-speed (12Mb/s) / high-speed (480Mb/s) / super-speed (5Gb/s).
• Single-lane (x1) PCI Express throughput rates up to 5Gb/s.
• Fits any PCI Express x1, x2, x4, x8 or x16 socket.
• Supports simultaneous operation of multiple USB 3.0/2.0/1.1 devices.
• Hot-swapping feature allows you to connect/disconnect devices without powering down the system.

Specifications:
Type: Expansion Card
External Ports: 4 x USB3.0
Internal Ports: 1 x 4-pin Power Connector
Host Interface: PCI Express (PCI-E)
Data Transfer Rate: Up to 5.0Gbps
Chipset: NEC uPD720201
Operating Systems: For Windows XP, Vista and Windows 7 (with included drivers) Windows 8/8.1/10 - No additional drivers are needed for Win8/8.1/10
Item Size: 13 * 9 * 1.8cm / 5.1 * 3.5 * 0.7inches
Item Weight: 51.9g / 1.8oz

Packing List:
1 * 4-Ports PCI-E to USB 3.0 Expansion Card