The SATAPOWADPL Molex to 90-degree SATA power adapter features one 4-Pin Molex (LP4) male connector and a left angle, 90-degree SATA power connector (female), which enables you to power a Serial ATA hard drive from a conventional LP4 connection and eliminates the need to upgrade the computer power supply for compatibility with the SATA hard drive. The 90-degree (left angle) SATA power connector makes it easier to connect a SATA drive that's installed in hard to reach areas or tight spaces, avoiding the strain on both the connector and cable. This LP4 to SATA adapter is backed by StarTech.com's Lifetime Warranty. Compatible with both 2.5' and 3.5' Serial ATA Hard Drives and allows the use of newer SATA hard drives with older power supplies, which eliminates power supply upgrade costs. Left-angled, 90-degree SATA power connector allows this cable to be used where normal straight connector cables cannot, accommodating tighter space limitations while minimizing strain on the cable and also the drive's SATA connector. Backed by a StarTech.com lifetime warranty. Ideal for small form factor desktop computers or servers that use Serial ATA Hard Drives Connecting a Serial ATA Hard Drive to a standard internal Molex power supply connector - SATA (15-pin) to 4-pin Molex (LP4).