Dell UP2715K Monitor - Manual (Page 18)

18  About Your Monitor
USB ports
• 1 upstream - bottom
• 5 downstream - 1 at back, 4 at bottom
Power Charging Port - the one on the rear cover (Port with
lightning icon); supports fast current charging capability if the device
is BC 1.2 compatible.
NOTE: USB 3.0 functionality requires a USB 3.0 compatible computer and
devices.
NOTE: For computers running Windows® 7 must have Service Pack 1
(SP1) installed. The monitor’s USB interface works only when the monitor
is On or in Power Save Mode. If you turn Off the monitor and then turn it
On, the attached peripherals may take a few seconds to resume normal
functionality.