Asus 14010-00391700 X555DG HDD FFC is a flexible flat cable used to connect the hard drive in the Asus X555DG. It serves as a replacement cable for restoring the drive connection to the motherboard.
The cable has 30 pins with a 0.5 mm pitch, matching the listed connector arrangement. Its specified length is 139 mm. The product listing names the Asus X555DG as the compatible model, making this a model-specific spare part for that laptop.
This cable is intended for the hard-drive connection rather than a general-purpose data lead. Its flexible flat construction suits the internal routing required for the listed X555DG application.