I am having dell dimension e521 desktop and in it the optical-drive of Philips & BenQ Digital Storage ( DH-16W1S) is neither reading nor writing the dvd’s and so iwant to buy a new drive of the same company or the other company which fix into the supply and data transfer plugs provided by dell
There are 2 connectors at the back of the drive unit.
Serial ATA Interface Connector (SATA)
7-pin Serial ATA male connector.
The drive has a DC power connector assembly, which consists of a 15-pin shrouded, keyed, male power connector .
the link to view the slot is
if any one knows about the details please let me know at