Product Description: Key Features: 1.Each Extension cables comes in 300mm(11.8 Inch) in length with black connectors on both ends,ncludes cable combs 2.Cable specification: UL1007 18 AWG 3.Through DC300V high voltage test, the transmission rate supports 3 Gbps Package Include 1 x 24-pin ATX Cable 1 x 4+4-pin EPS Cable 2 x 8 to 6+2pin PCIE Cable 1 x Black Cable Combs Set(4 x 24p,12 x 8p,8 x 6p) 1 x Transparent Black Cable Combs Set(4 x 24p,12 x 8p,8 x 6p)