OCZ announces the Indilinx Everest
Written by Marc Prieur
Everest is made up of a dual core ARM CPU with a DDR3 cache at 400 MHz of up to 512 MB. It supports an SATA 6 Gb/s interface and has been designed for sequential speeds in the order of 500 MB/s for a total capacity of 1 TB maximum. These speeds are achieved with the help of 8 channels of Flash ONFI 2.0 / Toggle 1.0 Flash at speeds of up to 200 MT/s, while other controllers are limited to 166 MT/s.
OCZ says moreover that Everest is optimised for 8 KB pages that are found in recent flash memory and that it uses algorithms that have been specifically designed to reduce start-up times, with a gain of up to 50% on current SSDs, a figure to be taken with a pinch of salt as things stand.
Everest also stands out for its flash memory support, with 1xnm class memory already admitted, no doubt the 19nm memory recently announced by Toshiba as well as support for SLC, MLC and TLC memory. Also know as MLC 3BPC, TLC memory allows you to store 3 bits per cell. This makes for a significant reduction in production costs as the 25nm 8 GB chip announced in August 2010 by Micron is 21.5% smaller than standard MLC. However, its true value is questionable, with Micron itself holding back on using it in its SSDs, speaking since the beginning of 2009 of performances halved and lifespan divided by ten in comparison to MLC.
Things may have changed in this respect since then and OCZ says that Everest includes a proprietary technology, Ndurance, which is supposed to allow the use of memories with reduced lifespan. No details have unfortunately been given on Ndurance and all we know is that Everest uses error correction technology based on the BCH algorithm that can reach over 70 bits per 512 bits, where the SandForce SF-2000 is limited to 55 bits.
The Indilinx Everest platform is currently available for OEM qualification, with OCZ not giving any information on any future SSD based on the Indilinx Everest under its own brand. Although these raw performance levels aren’t likely to turn the world of SSDs upside down, TLC support, the integration of a specific algorithm on start-up and the Ndurance technology will nevertheless garner plenty of interest… we can’t wait to see all this in practice!
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