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USB-A
USB-A, or USB Type A, is the original flat and rectangular connector that no one could ever figure out how to plug in correctly the first time. These cables always have USB-A on one end with a different port type on the other, and can be used for device charging and data transfer. USB-A is still widely used and can be found on devices like computers, gaming consoles, TVs, and all kinds of peripherals.
USB-B
USB-B is pretty much only used on large devices, like scanners or printers. Visually, this connector looks almost square. Most of these are USB-B to USB-A cables, though some newer devices have moved on from USB-B to smaller options, like Micro-USB or Mini-USB.
Micro-USB
Micro-USB was the standard a while back for certain portable devices, like Android tablets and smartphones because it can transfer data and provide charge. It comes in both Type-A Micro and Type-B Micro flavors, and is smaller than USB-A. Some manufacturers still opt for using Micro-USB parts for their devices, as they're less costly than those for USB-C.
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In addition to coming in a variety of shapes and sizes, USB types also have multiple speed standards. Keep in mind that some USB cables are data transfer only, and others are power delivery only, but also that there are options that can handle both tasks. Be sure to verify a cable's abilities before purchasing it.
The first, USB 1.x, is old and incredibly slow, and can only move 1.5 Mbps. Your odds of finding a device in the wild still on 1.0 are slim to none. The slightly less old (and comfortably slow) USB 2.0, however, is still relatively common, though you'll really only find it on older electronics. 2.0 has a full-speed option that can handle 12 Mbps, and a high-speed version that can handle 480 Mbps. SuperSpeed USB 3.x can transfer data between 5 to 20 Gbps.
The latest entries, USB 4.0, Thunderbolt 3, and Thunderbolt 4, are where you'll find the highest data transfer speeds: a maximum capable throughput of 40 Gbps. Thunderbolt is another transfer speed standard used in some USB-C cables---all Thunderbolt 3 and 4 cables are USB-C, but not all USB-C cables are Thunderbolt. So if Thunderbolt is what you're after, you'll need to make sure that's part of the cable you're buying.
As we mentioned above, some USB cables are only capable of delivering power or transferring data, though most can do both. PD (power delivery) standards fall into one of three main categories: power only, slow charge, and fast charge.
USB 2.0 supports 2.5W charging and USB 3.0 supports 4.5W charging. To put things in perspective, 10W is enough power to slow charge your phone, and 18W is enough to fast charge your smartphone or power a Netbook or similar bare-bones laptops.
Related: 4 Reasons Everyone Should Own a Portable Battery
In contrast, USB PD can handle up to 100W, which is powerful enough to power things like a MacBook Pro, monitors, docking stations, and most TVs. It can also fast-charge smaller compatible devices like your phone or Nintendo Switch. PD also only provides the necessary charge to your device but won't overcharge it. Newer battery banks are starting to support USB PD, which are more capable of keeping your power-hungry devices powered and fully charged.
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Being able to transfer data and power a device is already impressive. But you can also choose to use USB-C to connect to monitors in place of a bulky HDMI or VGA cable. USB-C also has support for 4K video delivery to a screen. Thunderbolt 4 cables can handle displaying 4K content on two monitors at a time, or 8K on a single monitor. Again, this isn't going to be the use case for most people, but as 4K and 8K video becomes more commonplace, you'll eventually need a cable that can keep up.
The rule of thumb is that you should always use the cable that came with your device and that you should buy any replacements from the manufacturer as well. That cable is specifically engineered to be used with your phone, tablet, or computer.
However, if you want to purchase one from a third party, be sure to stick with trusted established brands like Anker, Aukey, or Belkin, or at least look to see if a different brand lists the cable's USB certification. Otherwise, you could end up with an inferior cable that lacks official USB-IF certification and could potentially damage your device.
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- Suzanne Humphries
Sep 14, 2022 · USB Port Colors. You’ve probably noticed how USB Type A Ports on your Motherboard’s I/O Shield or your PC’s Case have different colors. This isn’t just to make them look pretty but actually indicates which USB Version and Speed said port supports. Here’s an overview of all USB Port Type A Colors:
Mar 12, 2023 · Today, the most common type of ports found on almost every laptop and PC is the USB type- A and USB type- C. This article will help you understand different types of USB ports found on your device and methods to identify them. This will help you boost your device’s overall performance by connecting the right device in the right USB port.
Browse 6,800+ usb port stock photos and images available, or search for laptop usb port or usb port computer to find more great stock photos and pictures. laptop usb port. usb port computer. public usb port. usb port icon. micro usb port. Sort by: Most popular. Inserting and connecting USB removable flash memory disk stick.
Jan 23, 2024 · |. Q&A. |. Tips. |. Warnings. If you have one or more photos on your PC or Mac that you want to open another computer, you can easily put them on a flash drive. You'll just need to plug your flash drive into an available USB port, and then drag photos from your computer to the removable drive.
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