Connect a 5V or 3.3V Micro SATA hard drive to a standard SATA controller & SATA power supply connection The MCSATAADAP Micro SATA to SATA adapter lets you connect a 5V or 3.3V Micro SATA hard drive to a standard SATA controller & SATA power supply connection, providing both data & power to the drive. " * Eliminate the need to replace your SATA controller, by connecting a 5V or 3.3V Micro SATA drive to a standard SATA controller & SATA power supply connection * Backed by Star Tech.com's lifetime warranty"