Brand new and high quality PCI Express transfer to PCI slot Easy to install and plug to install. Support DC 12V to strengthen the power supply, usually the desktop does not need additional power supply can normal use. PCI-E, 2.5Gbps data rate. Support 32 bit PCI bus, bus to 66/33 MHZ Accord with PCI Express 1.0 Compatible with PCI Version 2.3 Support PCI slot, 3.3V / 1A, 3.3V / 100mA, 5V / 5A and 12V / 500Ma Support OS: Windows 2003 / XP / VISTA / 7/8/10, LINUX Main chip: ASMedia ASM1083 Colour: black Material: PCB boards + plastic + metal Package Contents: 2 * PCI-E 1X TO PCI Expansion card 2 * USB cable 2 * Small card (the color of the data line is random, don't accept the specified color) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.