4/26/2021 0 Comments Usb 3.1 3.0 Compatibility
The days of external storage being painfully slower than internal storage are over. The USB 4.0 standard has been released, but it isnt yet shipping in any products.In the last few years, the once-simple standard has broadened and become more confusing.There are now multiple types of USB3, including USB 3.0, USB 3.1 Gen 1, USB 3.1 Gen 2, USB 3.2 Gen 11, USB 3.2 Gen 21, USB 3.2 Gen 12, and USB 3.2 Gen 22.Then, on top of that, theres the question of USB-C.
The USB-IF has done everything it possibly could have to ensure nobody can make sense of which USB standard a device supports, partly by repeatedly changing the name of previous standards as it updates brand guidance. These ports all transfer data at up to 5Gbs. Similarly, USB 3.2 Gen 21 and USB 3.1 Gen 2 also refer to the exact same standard. Hardware that complies with this specification can transfer data at up to 10Gbits. Im not sure if anyone is shipping USB 3.2 Gen 12, because its an odd hybrid with USB 3.0s original encoding scheme but USB 3.1 Gen 2s bandwidth. Finally, theres USB 3.2 Gen 22, which is also its own specific standard without reference to previous products. ![]() USB-C is a physical cable standard that can support anything from USB2 to the latest USB 3.2 Gen 22 connection speeds, depending on the type of cable you own. USB Type-C: Attempting to Fix an Age-Old Problem The near-universal frustration over attempts to connect USB devices to computers has been a staple of nerd humor and lampooned in various ways until Intel finally found a way to take the joke quantum. USB Type-C solves this problem with a universal connector thats also capable of twice the theoretical throughput of USB 3.0 and can provide far more power. The downside to USB-C, unfortunately, is the issue of cable compatibility. In a world where most devices are increasingly moving to a common standard USB-C the flexibility of that standard has become its downfall. Unlike the old micro-USB cables of the mid-aughts, all USB-C cables are not created equal. It is in your best interest to always use the USB-C cable provided by the device manufacturer, and never to buy a replacement cable assuming that any old brand will do. Look for brands specifically marketed as compatible with your device, stick to well-known products, and honestly, Id check online before buying a USB-C cable for anything you care about. Some major companies, like Nintendo, have built their own non-standard USB-C implementations. USB-C, USB 3.2 Arent Always Hooked Together Just remember that USB-C doesnt automatically specify any kind of performance level in and of itself. Some manufacturers also restrict certain operating modes depending on the type of cable andor charger that you use. Phones may limit their use of fast charging, for example, so its important to check the standards your cable supports in a way that A USB Type-C port next to USB 3.0. The disconnect between USB 3.1s performance standard and the USB Type-C connector has caused some confusion in the market to-date, but the cable compatibility issue is probably the bigger headache. One advantage of using USB-C (or Type-C, but USB-C is more popular) is that the standard provides up to 100W of power. More than a few laptops have launched in the past few years with USB-C support rather than a more traditional barrel plug. While USB-C doesnt mandate a given performance level, its become more popular as USB speeds have climbed, and most laptops with USB-C will support transfer rates fast enough to handle any external SSD or HDD. The days of external storage being painfully slower than internal storage are over. The USB 4.0 standard has been released, but it isnt yet shipping in any products.
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