what is the difference between black and blue usb?
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The blue indicates that it's USB 3.0, but it's not "standard". ... Blue is usb 3.0. Black is usb 2.0. Blue is much faster If your connected device supports usb 3.0 if not then there is no difference.
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What is the difference between the various colors of drives, that is black, blue, purple, etc? WD Blue HDDs are mainly used for general purpose storage, they are great all-rounders, and an average user can't go wrong with Blue. WD Green is basically same as Blue, but it lacks a bit of performance.
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the main differences between USB n PCI is the protocol. USB control transfers data serially and the protocol is very easy! where as in PCI, data is transferred like a normal lan traffic(layer based) i mean its in the form of packets!!! PCI is very useful for very high speed secured traffic like graphics, audio etc.....
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Typically the plastic used inside the USB port can be of any color, but since USB 3.0 was released, many manufacturers use the blue color to denote USB 3.0 SuperSpeed ports.
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USB Types. The different versions of USB cables, like USB 2.0 and USB 3.0, are concerned with the functionality and speed of the USB cable; whereas, the type of USB cable (like USB Type A, USB Type B) essentially refers to the physical design of the plugs and ports.
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One of two standard USB connectors, the USB Type B connector (technically known as a “Standard B” connector) is roughly square in appearance, with a squarish protrusion on top. Type B ports are found on many USB non-host devices, such as audio interfaces, external hard drives, and printers.
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Type B ports are found on USB hubs, printers, scanners and other peripheral devices. Cables plug into the peripheral using a Type B connector and into the computer with Type A. The pins of Type A and B connectors carry the same signals, but their different plug-socket shapes prevent a loop from being created.
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The Type B USB plug has a thicker, somewhat rounded square shape. It stays inserted into a socket with the help of friction from its contacts. These types of connectors plug into devices to load data or power, therefore acting as an upstream connection.
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USB 3.0 devices are backward-compatible with USB 2.0, and the ports look identical, which makes some sort of visual indicator (such as a coat of blue paint or a "USB 3.0" stamp) extremely useful. Blue USB ports are USB 3.0, black USB ports are USB 2.0, and red USB ports have increased power output.
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First the transfer rates: USB 2.0 offers transfer rates of 480 Mbps and USB 3.0 offers transfer rates of 4.8 Gbps - that's 10 times faster. ... USB 2.0 provided up to 500 mA whereas USB 3.0 provides up to 900 mA, allowing power hungry devices to now be bus powered.
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The WD Blue is their mainstream SSD, whereas the Green is their entry-level SSD and the Black is their high-end enthusiast-grade SSD. The WD Blue comes in two form factors: the standard 2.5-inch SATA form factor and as an M. 2 2280 stick. ... The WD Blue SSD is offered in three capacities: 250GB, 500GB, and 1TB.
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Note: Some older devices may have a USB 1.1/USB 2.0. The main difference between parallel (printer/LPT port; female) and serial (COM; male) ports is the data transmission. A parallel port transmits information in chunks (all eight bits of a byte at in parallel), whereas a serial port transmits one bit after another.
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The different types of USB is simply just an improvement on technology. 3.0 is faster than 2.0 and 1.0. However, they follow the same infrastructure, so you can plug in a USB 2.0 into a 3.0 port, or vise versa, and it will function as the lower of the two.
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A mini USB was a tad smaller than your standard USB connector, while a micro USB is smaller than the mini USB. They may have the same purpose, but efficiency goes slightly in favor of the micro USB, simply because the five pins that contain the ID pin on both plugs doesn't work on the mini USB but does in micro USB.
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["USB-A. A type-A connector is one you've probably used a fair amount. ... ", 'USB-B. Type-B connectors are almost square in shape. ... ', 'USB-C. One of the newer USB cables on the scene is the type-C. ... ', 'Mini-USB. These connectors used to be the standard for mobile devices, cameras, and MP3 players. ... ', 'Micro-USB. ... ', 'USB 3.']
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USB-C, USB 3.1, and Transfer Rates USB 3.1 is a new USB standard. USB 3's theoretical bandwidth is 5 Gbps, while USB 3.1's is 10 Gbps. That's double the bandwidth—as fast as a first-generation Thunderbolt connector. USB Type-C isn't the same thing as USB 3.1, though.
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Black is typically USB 2.0 (High Speed) , but can be as low as USB 1.0. Blue of that shade is typically USB 3.0 (SuperSpeed). 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.