Note: 1. Need your motherboard BIOS supports PCIE splitting working mode. Pls check it carefully before buying. 2. This product belongs to a third-party accessories, can not guarantee that all configurations can reach 4.0. 3. There is no guarantee that it is compatible with all motherboards, video cards, extension cables, systems. Please confirm before purchase.<br><br>Product description: PCIE X16 full bandwidth 3.0, GEN3 protocol. Gold finger sinking process, increase gold thickness to 5U. with Slim sas 8i connector. with 1 in 4 clock split IC. with power on LED indicator. Low profile PCB design to minimize size. Support transferring 2 ports 4 ports to 4xnvme SSD. Support transferring 1 full band graphics card or 2pcsX8 bandwidth graphics card. Material: PC+metal colour: Black<br><br>Package Contents: 1 x Expansion Card<br><br>Only the above package content, other products are not included. Note: Light reflection 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.