Cable Matters (2 Pack) 15 Pin SATA to 4 SATA Power Splitter Cable - 18 Inches POWER SPLITTER SATA 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