PCI-E USB 3.0 Card 2 Port Chipset: NEC 720200 Features Supports simultaneous operation of multiple USB 3.0, USB 2.0 and
USB 1.1 devices One available PCI Express slot (Recommend PCI Express 2.0) Built-in 4-pin power connector for receiving extra power supply
from system Supports the following speed data rates as follows:Low-speed
(1.5Mbps) / Full-speed (12Mbps) / High-speed(480Mbps) / Super-speed
(5Gbps) With color box package Packing details: CTN Size: 45.5*30.5*23.8CM Qty/CTN: 50PCS G. W.: 5.4KG N. W.: 4.2KG