Solidigm D5-P5430 Addresses QLC Endurance in Data Center SSDs

Stefan Mileschin · 17th May 2023, 06:25

Solidigm has been extremely bullish on QLC SSDs in the data center. Compared to other flash vendors, their continued use of a floating gate cell architecture (while others moved on to charge trap configurations) has served them well in bringing QLC SSDs to the enterprise market. The company realized early on that the market was hungry for a low-cost high-capacity SSD to drive per-rack capacity. In order to address this using their 144L 3D NAND generation, Solidigm created the D5-P5316. While the lineup did include a 30TB SKU for less than $100/TB, the QLC characteristics in general, and the use of a 16KB indirection unit (IU) resulted in limiting the use-cases to read-heavy and large-sized sequential / random write workloads.

https://www.anandtech.com/show/18864...ta-center-ssds

17th May 2023, 06:25	#1
Stefan Mileschin [M] Reviewer Join Date: May 2010 Location: Romania Posts: 148,769	Solidigm D5-P5430 Addresses QLC Endurance in Data Center SSDs Solidigm has been extremely bullish on QLC SSDs in the data center. Compared to other flash vendors, their continued use of a floating gate cell architecture (while others moved on to charge trap configurations) has served them well in bringing QLC SSDs to the enterprise market. The company realized early on that the market was hungry for a low-cost high-capacity SSD to drive per-rack capacity. In order to address this using their 144L 3D NAND generation, Solidigm created the D5-P5316. While the lineup did include a 30TB SKU for less than $100/TB, the QLC characteristics in general, and the use of a 16KB indirection unit (IU) resulted in limiting the use-cases to read-heavy and large-sized sequential / random write workloads. https://www.anandtech.com/show/18864...ta-center-ssds

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