I am attempting to fix a bricked GPU (MSI r9380 4gb) But to do this I need another card or integrated graphics to get into windows to Re flash the Vbios onto the card (It was bricked due to a failed flash). I do have another card but no integrated graphics, however my problem is is that my power supply (corsair CX600m) Only comes with 2 PCI-E power cables and I need 3. (The R9 380 requires 2 PCI-E 6 pins and the R7 250x requires 1 PCI-E 6 pin.) Is there a cable i can buy that goes from one of the Peripheral/Sata outputs to pci-e?