SSD performance claim is mostly under best condition such as SSD Cache is activated.
There is no warranty that SSD can support consistent speed for entire write/read operation.
To achieve high speed sustained data rate recording or reading with NVMe SSD, an amount of Data buffer is required to absorb SSD's non-consistent characteristic.
Design Gateway's NVMe IP core DDR reference design utilizes external DDR memory as a big data buffer to achieve sustained data rate requirement.
For more dateil, please visit https://dgway.com/NVMe-IP_X_E.html
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Chapters:
0:00 Introduction
0:22 Example: Samsung 980 pro specification
0:54 Sequential write performance
2:25 NVMe IP Core DDR Reference Design
3:32 Write performance demo with external DDR
5:17 Summary
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