What ports and connectors are available on the HP ProBook 450 G3?
The HP ProBook 450 G3 includes 2 USB 3.0 ports, 2 USB 2.0 ports, 1 HDMI port, 1 headphone/microphone combo jack, 1 AC power connector, 1 RJ-45 (Ethernet) port, and 1 VGA port. It also features a multi-format digital media reader that supports SD, SDHC, and SDXC cards.
From the official HP ProBook 450 G3 Notebook manual, page 2
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