Compatible operating systems	Windows 7 Professional 64-bit and Windows 8.1 64-bit.
Connector Description	One Thunderbolt™ 2 external 20-Pin output connectors (Rear); One internal 5-Pin header connector
Manufacturer Warranty	The HP Thunderbolt-2 PCIe 1-port I/O Card has a one-year Limited Warranty or the remainder of the warranty of the HP supported product in which it is installed. Technical support is available seven days a week, 24 hours a day, by phone, as well as online support forums. Certain restrictions and exclusions apply.
Minimum system requirements	Windows 7 Professional 64-bit, Windows 8.1 64-bit, Intel i5 series or higher processor, 128-MB RAM, 1-GB Hard Drive, available PCIe slot.
Operating temperature range	10° to 35° C
Technical Notes	The HP Thunderbolt-2 PCIe Card requires a DisplayPort input to enable downstream DisplayPort devices on the Thunderbolt™ daisy chain.; Offered as a Certified System Solution with the compatible workstation platforms and select graphics cards only, which includes nVidia K2000, K4000, and K5000.
Transfer Rate	Up to 20 Gb/s (20,000 Mb/s)
Warranty	The HP Thunderbolt-2 PCIe 1-port I/O Card has a one-year Limited Warranty or the remainder of the warranty of the HP supported product in which it is installed. Technical support is available seven days a week, 24 hours a day, by phone, as well as online support forums. Certain restrictions and exclusions apply.