Innovative EDSFF data storage solutions at Flash Memory Summit

8th August 2018
Alex Lynn

Reference design solutions for emerging enterprise data centre SSD form factor (EDSFF) implementations have been announced by Marvell. Addressing the growing need within the data centre and enterprise sectors for more densely packed, higher capacity SSDs, these EDSFF reference designs are powered by the company’s latest PCIe Gen 3x4 SSD controller ICs.

The reference designs are comprised of an EDSFF board with either a pair of eight channel 88SS1088 SSD controllers or alternatively, a pair of eight channel 88SS1098 controllers. In addition to these NVMe SSD controllers, Marvell also offers the 88NR2241 intelligent NVMe switch as part of its scalable data centre storage architecture chipset solutions.

The 88NR2241 can be deployed on the EDSFF board to expand capabilities and reduce total cost of ownership in cloud and enterprise data centres. The switch is designed to enable dual-port support, SSD virtualisation, performance aggregation and resources management between multiple NVMe SSDs.

The 88SS1088 and 88SS1098 pairings can deliver maximum data storage capacities of 32TB and are suitable for use with NAND memories from vendors. These SSD controllers, introduced in March of this year, are based on quad-core (88SS1098) and dual quad-core (88SS1088) Arm Cortex-R5 architectures that result in up to 3.6GBs of throughput and up to 700k of random input output per second (IOPS).

They can be implemented in a variety of low latency Single Level Cell (SLC), Multi-Level Cell (MLC) orientations, including Triple Level Cell (TLC) and Quad Level Cell (QLC). Both of them feature Marvell’s latest generation of proprietary NANDEdge Low Density Parity Check (LDPC) error correction technology which ensures the highest degrees of endurance, reliability and data integrity are maintained and prolongs SSD operational lifespan.

Nigel Alvares, Vice President of SSD and Data Centre Storage Solutions at Marvell, stated: “Marvell’s EDSFF reference designs showcase the abilities of our cloud and enterprise SSD controllers to tackle emerging requirements by enabling optimised power-performance architectures that deliver best-in-class total cost of ownership. It reiterates our deep-rooted objective of developing critical building blocks to deliver flexible, scalable, cost-effective and reliable storage solutions for enterprise and cloud data centre use cases. Through this offering, we anticipate SSD makers will be able to accelerate their time to market with optimised and customisable solutions that meet the growing and differing SSD requirements of cloud and enterprise data centre operators.”

Gregory Wong, Founder and Principal Analyst at Forward Insights, added: “The dynamics that are influencing the data storage business mean that there is rising expectation for more memory to be accommodated into extremely space constrained enclosures, and for increasingly complex workloads to be accurately matched against available bandwidth. At the same time, there can be no compromising on either system longevity or the quality of service delivered. EDSFF is one of the key emerging storage form factors that will lead the way forward, and with the reference design it has just introduced, Marvell is putting itself at the forefront of this progression.”

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