SATA SPLITTER CABLE powers up to four Serial ATA HDD, SSD, optical drives, DVD burners, and PCI-E cards from a single connection to computer power supplies; Snug-fitting drive SATA power cable clicks into place on your power supply to provide a secure connection that prevents accidental disconnection | UPGRADE COST SAVER SATA power splitter cable spares the expense of upgrading an existing power supply to connect new SATA drives; Cost-effective 2-Pack provides a spare power cable for new installations or repairs; Keep a spare in your IT toolkit or at the test bench | DIY OR PRO INSTALLERS both appreciate the convenience of sharing a PSU connection when installing new internal components like a DVD burner; 18 inch cable harness has 4 SATA drive receptacles spaced at 4.5 inch intervals; Provides sufficient length for internal cable management to minimize airflow impact in most configurations | HDD POWER CABLES have 4-SATA 15 pin female receptacles and 1-SATA 15 pin male plug at one end; Constructed with flexible 18 AWG conductors for reliable performance when connecting four SATA hard drives to a power supply; Supports 3.3V, 5V, and 12V power voltages between SATA I, II, III drives and power supply connections without any degradation of performance | UNIVERSAL COMPATIBILITY with computer power supplies with SATA connectors and popular SATA equipped devices such as: Apricorn Velocity Solo x2 Extreme Performance SSD Upgrade Kit, Asus 24x DVD-RW Serial-ATA Internal OEM Optical Drive, Crucial MX100 256GB SATA 2.5-Inch Internal Solid State Drive, Inateck PCI-E to USB 3.0 5-Port PCI Express Card, Inateck Superspeed 7 Ports PCI-E to USB 3.0 Expansion Card, Inateck Superspeed 4 Ports PCI-E to USB 3.0 Expansion Card