Tencent Digital (Wen Xin) According to the PCMag website, the standard speed of the PCI Express (PCIe) bus is already very fast and its functions are quite powerful. But it may soon become better.
The PCIe 4.0 specification will be released in early 2017. The PCIe 4.0 data transfer rate will be greatly improved and improved in other aspects, making it suitable for use in more types of devices. The bandwidth of the PCIe 4.0 bus is twice that of the 3.0 specification, which has grown from 8 GTps to 16GTps. In addition, it introduces new technologies that improve the performance ratio.
PCMag stated that, like the previous PCIe specification, PCIe 4.0 has full backward compatibility, so it has no problems in supporting devices designed for previous PCIe. In addition, it is expected that next-generation computer processors will also support PCIe 4.0, although two processors announced last week - Intel's seventh-generation Core and AMD Zen series does not support it, because the first products equipped with these two processors Release time is earlier than PCIe 4.0.
Al Yanes, President and Chairman of the Peripheral Component Interconnects Professional Group (PCI-SIG), which maintains the PCIe standard, told PCMag.com during the Intel Developer Forum that these changes will make PCIe 4.0 higher Scalability is more suitable for applications ranging from mobile platforms to desktop computers to servers. This helps increase the popularity of PCIe in mobile devices.
Yanis said, "There are currently at least 1 or 2 solutions, but I hope there are more solutions. We will try to better promote the low energy consumption of PCIe 4.0."
Yanis also stated that he "has not found many Internet of Things solutions", but this situation will change, "we hope to succeed in the Internet of Things."
Yanis expects that the products designed for it will be released soon after PCIe 4.0 is released. Asked about the speed of adoption of the new specification, Yanis said that "we think that soon we will have more relevant products on the market when the PCIe 4.0 specification is released."
PCMag claims that although PCIe 4.0 has not yet been released, PCIe 5.0 is already in the future development plan of the Peripheral Component Interconnect Group. Yanis expects that PCIe 5.0 performance will be greatly improved.
Yanis did not specify the timing of PCIe 5.0 release, but he said he hopes that the release of PCIe 5.0 will not wait for seven years. PCIe 3.0 and 4.0 release times are separated by 7 years.
Source: PCMag
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