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New PCIe 4.0 SSDs from Intel with AMD CPUs?

A misleading tweet showed that its second-generation Optane 3D XPoint SSDs Intel have been shipped to developers for testing, with a new flagship feature: PCIe 4.0 support. The only problem; Intel does not have processors that support PCIe 4.0. Maybe the AMD may lend some to them.


AMD is the only company so far to support PCIe 4.0 with Ryze third generation. While at launch, upgrading to PCIe 3.0 was largely theoretical for Intel, a multitude of PCIe 4.0 SSDs have since been released at speeds nearly twice the speeds of previous generations. Although the construction team CPU Intel may not have noticed the serious storage problem, it is quite understandable.

Frank Obertube, an Intel technical performance technician, said the company is willing to send PCIe 4.0 SSDs to developers to test them. However, developers will need PCIe 4.0 processors to take full advantage of them.


In September, Intel confirmed the development of the Alder Stream SSDs, an update of Optane drives that will use technology 3D XPoint second generation. 3D XPoint is often marketed as an intermediate solution for RAM and storage. It's much cheaper per gigabyte than system-like latency, but SSD speeds mean it can't replace the RAM.

The next generation of XPoint is focused on speeding up, according to Intel. But if they want to double the speeds or, like Micron, triple, then they will either need to double PCIe lanes (which no one would want) or upgrade to PCIe 4.0, which has twice the bandwidth of PCIe 3.0.

Intel wanted to build PCIe 4.0 support into a new 10nm architecture, but had to delay it for years. It is now slated for production by the end of 2020, so, with some luck, we could see CPUs that support PCIe 4.0 from Intel in early 2021. In the meantime, they will buy from AMD.


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