Dell Inspiron 15R (5537, Mid 2013) - Manual (Page 4)

1 USB 2.0 port (supports Windows debugging)
Connect peripherals such as storage devices, printers,
and so on. Provides data transfer speeds up to
480 Mbps.
This USB port can be used for Windows debugging.
2 Optical drive
Reads from and writes to CDs , DVDs and Blu-ray discs.
3 Security-cable slot
Connect a security cable to prevent unauthorized
movement of your computer.
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