Name: PCI-E X1 TO 4PCI-E X16, Model: LPE-51X,Onboard interface: 1 x USB3.0 Type-A ,4 x 4P power interface, 4 x PCI-E X16 Card slots, Versatility: PCI-E 1X,PCI-E 2X,PCI-E 4X,PCI-E 8X,PCI-E 16X, Fit for System: fit for All WINDOWS/ Linux / Mac OSLPE-51X is a PCI-E riser card, the computer motherboard can be a PCI-E X1 card slot at the same time convert out four PCI-E X16 card slot, four PCI-E X16 card slot can also access the sound card, Graphics cards, networks cards, etc., can work independently do not interfere with each other. This product does not need to install the driver, insert the computer card slot can be used.This extension cable can be applied to the motherboard with spare PCI-E X1 Slot, Please make sure your computer is power off before your plug it in or out.In order not to burn the equipment, please make sure the position is right when you plug a card, in other cases dont plug in or mismatch. In order to avoid breaking the pin, please hold the socket when you plug in.Colour:blueMaterial:PC+metalPackage Contents:1 Set * PCI-E 16X Board1 * PCI-E 1X Riser Card1 * USB 3.0 Cable(about 60cm)1 * SATA 15Pin-4Pin Power CableOnly the above package content, other products are not included.Note: Light shooting 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.