SD/TF slot is used for reading and writing into SD and Micro SD cards. Wireless Bluetooth audio has mostly made this port obsolete. The 3.5mm headphone jack has mostly been found in smartphones until recently, speakers, laptops and TVs. Related post: Guide to USB-C Hubs and Adapters HDMI which carries both video and audio signals in a single cable supports Full HD, 4K and 8K video resolutions. It was replaced by HDMI which is ubiquitous in flat screen LCD external computer monitors, projects and TVs.

VGA is an older display port found in very old computer monitors. HDMI and VGA are mostly video and audio interfaces. Typically a USB-C Hub comes with several ports for data, video, audio and power delivery and they include none, one or more of the following ports But a good place to start is to understand the Tech products you already own and understand your needs.

Choosing what’s right for you can be a challenge.

USB-C hubs come in all shapes, sizes and prices. This is precisely where a USB-C Hub comes in handy. But I have a HP 21” Monitor which takes HDMI input. No Ethernet or HDMI ports are included with any of these computers. Also I have the latest M1 Mac Minis which have two USB-A and two USB-C ports. For instance, I recently got a Samsung Galaxy Go Chromebook which comes with just two USB-C ports, 3.5mm headphone jack and Micro SD card slot. USB-C Hubs give your new shiny progressive Tech product interoperability with older legacy Tech. And you might still have legacy products that use older interfaces and connectors such as projectors and external monitors, keyboard, mouse, external hard drives etc. However, not every Tech vendor or product is moving at the same pace. It’s really up to vendors to decide what they integrate in their products. USB-C offers video, data and power delivery capabilities. USB-C however, is emerging as the dominant and universal port for just about any Tech product. We are almost moving to a future where laptops like smartphones will have just one or even no ports at all. Why do you need USB-C hubs anyway? The reason is because most laptops today come with less and less ports.

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