2.5" 44 pin Female Laptop to3.5" 40 pin Male Desktop IDE Hard Disk Drive HDD Convert Adapter Brand New Generic Bulk Package Adapter allows your 2.5" IDE laptop hard drive fit and run in a 3.5" bay in a desktop system After it's detected, you can used your 2.5 IDE laptop hard drive as a regular 3.5" IDE drive. Convert your 44 pin female (laptop hard drive) to a 40 pin male (IDE hard drive) Compatible with:All Laptop 2.5" IDE hard drives such as Compaq, Acer, Toshiba, Dell IBM, Fujitsu, Sony and more.