Right - Dell Inspiron 15 3000 Setup And Specifications

Connect a power adapter to provide power to your computer and
charge the battery.
2 Network port
Connect an Ethernet (RJ45) cable from a router or a broadband modem
for network or internet access.
3 HDMI port
Connect a TV or another HDMI-in enabled device. Provides video and
audio output.
4 USB 3.0 port
Connect peripherals such as storage devices and printers. Provides data
transfer speeds up to 5 Gbps.
5 SD-card slot
Reads from and writes to the SD card.

Right

1 Headset port
Connect a headphone or a headset (headphone and microphone
combo).
2 USB 2.0 ports (2)
Connect peripherals such as storage devices and printers. Provides data
transfer speeds up to 480 Mbps.
3 Security-cable slot
Connect a security cable to prevent unauthorized movement of your
computer.
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