SS USB and USB:
SS refers to SuperSpeed, a new transfer rate that can transfer data at up to 5 Gbit/s (625 MB/s), which is 10 times faster than USB 2.0. Impressive.
Any USB device can benefit from faster transfer speeds using the SuperSpeed ports. It has been recommended that manufacturers label SuperSpeed ports as SS and that cable manufacturers use a blue color so you know if Superspeed is supported.
USB 3.0 has been upgraded to USB 3.1, and finally 3.2 in 2017. Each version supports SuperSpeed preserving the original speeds while still increasing the speeds even further.
If your computer was built after 2017, you probably have USB 3.2 which introduced two new SuperSpeed+ transfer modes over the USB-C connector using two-lane operation, with data rates of 10 and 20 Gbit/s (1250 and 2500 MB/s). So, yeah, it’s fast.
Any USB device can benefit from faster transfer speeds using the SuperSpeed ports. It is recommended that manufacturers label SuperSpeed ports SS and use blue colored cables, so you know Superspeed is supported.
USB 3.0 has been upgraded to USB 3.1, and finally 3.2 in 2017. Each version supports SuperSpeed preserving the original speeds while still increasing the speeds even further.
If your computer was built after 2017, you probably have USB 3.2, which introduced two new SuperSpeed+ transfer modes over the USB-C connector using two-lane operation, with data rates of 10 and 20 Gbit/s (1250 and 2500 MB/s). So, yeah, it’s fast.
I could go further in-depth, but everything else is pretty geeky (read boring),, and hopefully, I answered your question.
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The major difference between super speed USB and a USB.
That is its speed.
USB is use for normally
And SS USB is used for for data transfer sometime we say data transfer but it is much more.
Super speed USB is dedicated to Super speed work as like a Normal USB we can say
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If you’ve changed cables already and the same issue persists, it’s not the cables. It’s the device.
From what you’re describing it sounds like your cables are no longer property seating when you plug them in, and that’s why it’s so touchy.
What is likely going on is that there is debris present, usually dust or lint, that is packed in and is now taking up significant space in the port. This would explain why it takes a good amount of force to plug in your cable. It would also explain why your cables have trouble maintaining that connection.
To resolve this, all you would need to do is clean out that port. I’ll preface by saying I don’t know what device you are using, but the best practices for cleaning are to use a bristle brush and a tooth pick. The reason I recommend a tooth pick is you want to use something that won’t damage the connectors inside. Using something like a paper clip instead can really do some damage if you’re not careful. Do not use canned air.
Use the tooth pick to break up and pull out the bigger clumps of debris. Follow up with the brush to get the remaining dust out.
Additionally, I would take a look at your cables as well. Due to the design of USB-C cables, debris might also be present there. This is just an added precaution though, as it sounds like the issue is strictly with your device.
Take your time, be mindful of the connectors in that port. If you do that, everything should work great once you’re done.
The other answers have correctly answered the question, but I was A2A’d after all those for some reason, so I’m just going to add pretty pictures/charts from Wikipedia[1] :
- All of the pictured connectors are USB Type A[2] (specifically female), the most common USB connector.
- All type A connections are forward and backwards compatible, but will operate at the lowest common denominator (speed and/or power) of the connection chain.
- If either the port, cable, or attached device is operating at a lower speed or requests a lower amount of power, the entire connection will work at the slowest and lowest energy link possible.
Black is typically USB 2.0 (High Speed)[3] , but can be as low as USB 1.0 (Full Speed, also the name for USB 1.1).
Blue of that shade is typically USB 3.0 (SuperSpeed)[4] . Sometimes you’ll see this in red. Red or yellow implies that it remains powered for charging devices regardless of the PC being asleep or shutdown.
USB 3.1 usually comes in an aqua blue/green color (teal?), or a weird faded looking plain blue.- USB 2.0 is no less than 40x faster than USB 1.0
- USB 3.0 is 10x faster than USB 2.0
- USB 3.1 is 2x faster than USB 3.0
There’s also different charging rates for most ports, but motherboard manufacturers usually just use the bare minimum charging rate possible. It’s something on the order of 5V, 0.35A. A phone or tablet usually needs 5V 2A for quick charging. Here’s another pretty chart.
If you have USB 3.0 capable devices (USB 3.0 hubs, external hard drives, flash drives, etc) you should use the 3.0 ports. Otherwise, 2.0’s will suffice. Remember, lowest common denominator.
If you’re looking for a summary of the more advanced technical aspects, check Rama Krishna Meda’s answer to What’s the difference between the blue and black USB ports?.
Footnotes
Lock USB Port to Prevent Data from Leakage.
USB Lock is a data leak prevention tool that prevents leakage and copy of your data to USB Drives.
USB 3.0 provides more charging current (900 [email protected], about 4.5W) than USB 2.0 (500 [email protected], about 2.5W) when simultaneously sending data, but for standalone charging situations where no data is passed, the USB-BC (battery charging) spec applies, which provides more current than either (1500–2100 [email protected], about 7.5–10.5 W) while working over USB 2.0 wires.
USB 3.0 has a small advantage in charging speed when simultaneously sending data. However, for dedicated charging, using USB version 2.0 or 3.0 doesn’t matter.
Note that USB 3.1 supports the new USB-PD (power delivery) capability over USB Type-C connectors, offering several different charging profiles up to 100 W!
Basically, USB 3.0 are high speed. Many computer manufacturers do not clearly mark USB port versions. Use the Device Manager to determine if your computer has USB 1.1, 2.0, or 3.0 ports:
- Open the Device Manager.
- In the “Device Manager” window, click the + (plus sign) next to Universal Serial Bus controllers. You will see a list of the USB ports installed on your computer.
- If your USB port name contains “Universal Host”, your port is version 1.1.
- If the port name contains both “Universal Host” and “Enhanced Host”, your port is version 2.0.
- If the port name contains “USB 3.0”, your port is version 3.0.
laptop manufacturers use the SuperSpeed USB logo to differentiate the port. You can find the ss mark along with the USB logo, which looks something like the following image:
The SS is for Superspeed. This was introduced with USB3 and 3.1.
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Super Speed. With appropriate cables, the port supports at least 5GHz operation. Most people will think of it as USB-3.
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No… the port that you would be looking for would be one with a lightning bolt symbol which indicates that it is carrying extra voltage which is what you need for faster charging, or in the cases of some really big phones, any charging at all.
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That port is a USB charging port which supplies more juice than regular ones for your devices that are connected and will power them even if your laptop is turned off but connected to power. The 3.0 usb slots are either marked by blue and have 9 pins or have an SS next to them indicating “Super Speed”. you really shouldnt have much issue with this port unless the hardware or drivers are malfunctioning.. Make sure your drivers are up to date from the manufacturer. Always be careful when flashing bios but normally this remedies most hardware issues. Hope this helps.
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First USB-C is a connector and USB 3.0 is a standard. You could have a USB 3.0 cable that has been terminated with a type-C connector.
For the sake of sanity I’m going to assume you’re asking for a Type-C vs Type-A comparison.
Type-C is reversible in both physical orientation and data stream orientation. Basically you can flip it over and still plug it in as well as you can have a cable be terminated with type-C on both ends because both the host and client devices can have a type-C port.
Type-C is also a significantly smaller port and is capable of higher wattage ratings than the type-A.
A type-A’s only advantages are that it is slightly more durable due to it’s decrease in fragile conductors/increase in structural materials and that and they are more common in larger electronics.
This is the only reason we still see type-A ports on anything, because it allows users to continue to use their new type-C equipped electronics with their older type-A equipped devices.
Mice and keyboards excluded because it was only recently they moved to USB from PS/2 I’ll imagine most will be either wireless or type-A for quite some time with type-C being a non-point.
