PEC 300PCI-E x16 Black Extender Ribbon Riser CablePEC 300 is an extension cable with an effective length of 250mm and is used for establishing an external connection with a graphic card.- Standard PCI-E 16X 164-pins slot for both ends.- High quality non-oxidized copper wire is used for the ribbon cable.- Anti-EM shielding is provided in the form of a shielding layer and a fiber-based protection layer to improve signal stability and structural strength.- The metallic shielding provided on the socket further reduces ribbon damage that may cause by data transmission.- PEC 300 is applicable for the QUADSTELLAR / GENOME II / NEW ARK 90 series case.- PEC300 is using the PCI- E Gen 3 standard at this current moment in time. If you were to PCI-E Gen 4 GPU there should be a degrade in speed. Interface SupportPCI Express 16XLine length250mmNet Weightv0.13kg