Utilizing the SATA III specification and with it's unique locking latch, you can rest assured your system is safe and secure. Connect your high-speed Serial ATA device (e. g. HDD) to a Serial ATA Controller Support data transfer rates of up to 6.0 Gbit/s Compatible with SATA 1.5 Gbit/s (SATA I) and 3.0 Gbit/s (SATA II) Cable With latch on both connectors Narrow cable design to increase Internal air flow 4-pin cable with ground wires Connectors: 2x internal 7-pin SATA