(8 Pin(6 Pin)to 2 SATA Power Cable)The SATA to PCI-E Power Adapter Cable features an 8-pin (female) power connector as well as one/two 15-pin SATA (male) power connecto. (Stress Relief)Dual SATA connecto are designed to connect separate rails to power a PCIe video graphics card from an older PSU.Connecting a Sata power exteion cable can decrease the risk of damaging internal connecto that are difficult to reach and unplug, and also reduce the strain on the connecto of SATA drives or a computer motherboard. (Material)Our dual SATA to 8 Pin PCI-E cable is made of UL 1007 standard 18AWG tinned copper wire, UL VW-1 (vertical specification) flame tested, rated temperature: 176 degrees Fahrenheit, rated voltage: 300 V. Stable performance, safe for daily use. (Compatibility)This SATA to 8 Pin GPU Power Cable is manufactured in strict accordance with industry standard in size and specification, works well with the graphics cards of most manufacture.