What is the difference between a Kensington vs Noble lock slot?

Lock heads are compatible with the following lock slots: Standard T-bar security slot

What is the difference between a Kensington vs Noble lock slot? Headphone and Microphone Audio Combo Jack, 1 x Noble Lock, 1 x RJ-45, 1 x VGA, 1 x HDMI, 3 x USB Gen 1, SD Slot; Integrated webcam; Integrated Graphics

Lock heads are compatible with the following lock slots: Standard T-bar security slot

soul slot Designed for Dell laptops featuring the Noble Wedge Lock slot · Patented security wedge slot design for low-profile laptops · Flat key system with unique key for

Different kinds of Lock Slots · Kensington Standard Slot: This is the original and most common kind of slot looks like a small rectangle

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Did you work out if its a Kensington or Noble lock? just look up the specs of your Dell laptop and it will tell you If Kensington then this