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Violin Rolls Out MLC-Based Flash Memory Arrays
 

Violin Rolls Out MLC-Based Flash Memory Arrays

Monday Sep 20th 2010 by Enterprise Storage Staff

Violin’s addition of MLC-based devices to its line of SSDs is indicative of the general trend toward MLC NAND flash in enterprise disk arrays.

Violin Memory today announced the 3140 Capacity Flash Memory Array, a RAID array based on solid-state disk (SSD) drives with multi-level cell (MLC) NAND Flash technology. The company claims performance of up to two million I/Os per second (IOPS) per rack, assuming 4KB blocks and a 70/30 read/write ratio, according to this report from sister site InfoStor.


“Violin Memory today announced the 3140 Capacity Flash Memory Array, a RAID array based on solid-state disk (SSD) drives with multi-level cell (MLC) NAND flash technology. The 3140 is an addition to Violin Memory’s 3200 series of SSD RAID arrays, which are based on single-level cell (SLC) NAND Flash.

“According to Don Basile, Violin Memory’s CEO, the SLC-based 3200 arrays provide 2X the performance of the MLC-based 3140, while the 3140 provides 4X the capacity of the 3100 series in the same form factor. In terms of latency, the 3140 is spec’d at 400 microseconds, while the 3200 series is spec’d at 100 microseconds.

“The 3U 3140 SSD holds 40TB (30TB of usable capacity in a RAID configuration), or 500TB per rack, which is about 5X the density of RAID arrays based on traditional hard disk drives. The company claims performance of up to two million I/Os per second (IOPS) per rack, assuming 4KB blocks and a 70/30 read/write ratio.

“The 3140 SSD is priced at $650,000 in a 40TB configuration, which translates into about $16 per GB or $3 per IOPS. The $16-per-GB price point is on par with high-end RAID arrays based on conventional (rotating) hard disk drives.”

Read the Full "Violin Adds MLC Flash to SSD RAID Arrays" Story at InfoStor.

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