External 4 Ports USB 3.0 Type-A connectors
PCI 33 / 66MHz Host Adapter
Compliant with Universal Serial Bus 3.0 Specification Revision 1.0
Compliant with Intel eXtensible Host Controller Interface (xHCI) Specification 1.0
Four USB 3.0 ports that offer SuperSpeed (5 Gbps), HighSpeed (480 Mbps), FullSpeed (12 Mbps), and LowSpeed (1.5 Mbps) transaction
Support USB3.0, USB2.0 and USB1.1 devices
Compliant with PCI Specification 3.0
Low Profile PCI Form Factor
Regular size PCI bracket on board and Low Profile PCI Bracket included
Adapter board powered by PCI slot
Provides 4Ports USB 3.0 power to USB devices from Motherboard PCI slot directly, or from PC power supply if either floppy 4Pin or SATA 15Pin Power connector connected
Windows 10, Win8, Server 2012, Linux kernel 2.6.31 and later OS in-box USB driver natively support UASP, no additional driver required
Provides Renesas 64bit and 32bit Windows 7, Vista, XP and 64bit 2008 R2 driver
Chipset : PCI-to-PCIe-Bridge and Renesas (NEC) PCIe USB3.0 controllers
A few PCI MB BIOS designed with PCIe-to-PCI-Bridge may NOT support this host adapter

Mode Name	MTI-U3400
Bus Type	PCI
Chipset	Renesas NEC
Number of Ports	4-USB 3.0 External Port
Transfer Rate	SuperSpeed (5 Gbps), HighSpeed (480 Mbps), FullSpeed (12 Mbps), and LowSpeed (1.5 Mbps) transaction
Dimensions
Operating Temperature	0°C to 50°C
Storage Temperature	0°C to 80°C
OS Compatibility	Windows 2000/XP/2003/Vista/7/8/10, Linux.

MTI-U3400 4-Port USB 3.0 External PCI card