USB 3.0

Also found in: Dictionary, Medical.

USB 3.0

The third-generation USB interface introduced in 2008. Called "SuperSpeed USB 3.0" (SS USB), it increased the transfer rate from 480 Mbps to 4.8 Gbps and also reduced CPU overhead by no longer continuously polling attached devices. In practice, USB 3.0 devices do not achieve a 1,000% speed increase. For example, a USB 3.0 external hard drive may provide only a 50% improvement over its USB 2.0 counterpart, because the drive's latency and circuitry are limiting factors.

Plugs and Sockets Differ
Although additional pins were added to 3.0, Type A and Micro USB 2.0 plugs insert into 3.0 sockets for backward compatibility. See USB and USB 3.1.

USB 3.0 Connectors
USB 3.0 Type A plugs can plug into USB 2.0 sockets, but the larger Type B and Micro USB plugs will not fit in USB 2.0 sockets. (Images courtesy of Intel Corporation.)

The Blue Port
USB 3.0 ports have a blue tongue in contrast to the black tongue on USB 2.0 and previous versions.

References in periodicals archive ?
Lattice Semiconductor s MachXO3 FPGA provided the programmability and bridging functionality in the small form factor our USB 3.
eliminated the Ethernet port years ago, and Ultrabooks and Chromebooks have followed suit, but consumers still want GigE connectivity to stream HD content and for other applications requiring high-bandwidth," said Mark Fu, Senior Marketing Director of the USB 3.
Renesas' free UASP driver runs not only on the Renesas oPD720200 USB 3.
The new flash drive, which has achieved SuperSpeed USB 3.
8 gigabits per second (Gb/s), a ten-fold jump in USB 3.
Moving or backing up HD video, RAW images or other large project files are examples that can take advantage of the extremely high-speed data transfers of the USB 3.
AMD has clearly seen a space in the market and is chatting with NEC about licensing its USB 3.
The seven new GIGABYTE P55A-series motherboards are designed to offer a stable, high-speed platform for delivering amazingly fast data transfer via the GIGABYTE 333 onboard acceleration technologies, which include USB 3.
The Cypress EZ-USB FX3 SuperSpeed Explorer Kit, available from Mouser Electronics, allows developers to add USB 3.
With more than 100 million units shipped, Synopsys USB IP is the low-risk choice for designers implementing USB 3.
com)-- Belkin, a trusted leader of technology solutions for office, classroom, IT infrastructure, and mobile environments, today announced the Belkin USB 3.
Cypress Semiconductor Corp (CY), a provider of mixed-signal, programmable solutions, announced on Wednesday the selection of its EZ-USB FX3 solution by Beijing Huanor-Mingke Electronic Tech Centre for the Huanor U3CAMEN USB 3.