6.5.3 Series “A” and Series “B” Receptacles.6.4.3 Low-speed Captive Cable Assemblies.5.10.1 Example Non-USB Isochronous Application.5.10 Special Considerations for Isochronous Transfers.5.9.4 Calculating Buffer Sizes in Functions and Software.5.9.3 Calculating Bus Transaction Times.5.8.4 Bulk Transfer Bus Access Constraints.5.8.3 Bulk Transfer Packet Size Constraints.5.7.5 Interrupt Transfer Data Sequences.5.7.4 Interrupt Transfer Bus Access Constraints.5.7.3 Interrupt Transfer Packet Size Constraints.5.6.5 Isochronous Transfer Data Sequences.5.6.4 Isochronous Transfer Bus Access Constraints.5.6.3 Isochronous Transfer Packet Size Constraints.5.5.4 Control Transfer Bus Access Constraints.5.5.3 Control Transfer Packet Size Constraints.5.2.5 Client Software-to-function Relationship.
Host Controller: NEC Electronics USB 3.0 Host Controller v1.0.18.0, FW3021 PC: Motherboard GIGABYTE GA-P55-UD4, CPU Intel Core i5 750 2.67GHz, 4GB DDR3 RAM, Windows 7 What this means is that as soon as any of these factors change, the results will likely change as well. Note that the benchmark includes a detailed list showing the host computer, the hard drives and even the software that was used in the test. The actual data transfer rates may vary for many reasons.įollowing is an example of a benchmark that shows the actual transfer speed. When measuring the actual time it takes to transfer data from the computer to the external hard drive or vice versa, in some cases, the result will be close to the theoretical value but for now, with USB 3.0, in many cases it will be quite a bit less. The values seen above and any marketing messages like "10 times faster than USB 2.0" are for reference only and are based on the theoretical values. On our website, the data transfer rate that is listed under specifications is always the theoretical value of any given interface. The actual data transfer rate depends on many different factors. What is the actual data transfer rate for USB 3.0? FAQ - Frequently Asked Questions - Knowledge Base
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