You should have SATA power cables from your power supply, if you are using an older power supply you might need a converter cable. Take a look at the link below, the black connectors are SATA power connectors, this converts from a standard 4 pin power connector to SATA
You should have SATA power cables from your power supply, if you are using an older power supply you might need a converter cable. Take a look at the link below, the black connectors are SATA power connectors, this converts from a standard 4 pin power connector to SATA