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OCZ Octane, 1 TB and Indilinx Everest
Following the announcement of its takeover of Indilinx in March and a new Indilinx Everest controller in July, OCZ is now launching the Octane and Octane-S2 SSDs which are based on the new Everest controller.
Using the SATA 6G interface, the Octane is associated with 2xnm synchronous memory and has a capacity of up to one terabyte for read speeds of 560 MB/s and writes of 400 MB/s and 45K IOPS random reads. The Octane-S2 only has an SATA 3G interface and uses 2xnm asynchronous memory. The maximum capacity is the same but performance is naturally lower with reads of 275 MB/s, writes of 265 MB/s and 30K IOPS for random 4KB reads and 25K IOPS for random writes. We don’t yet know the specific specs of the different 128 GB, 256 GB, 512 GB and 1 TB models.
To reach such levels of performance, which hold for whatever type of data (unlike SSDs based on SandForce controllers), the Indilinx Everest calls on a dual core ARM CPU with a cache of up to 512 MB and piloting up to 8 channels and 16 memory chips in parallel.
OCZ is highlighting performances which are said to be significantly up on existing SSDs which only support 1 to 3 simultaneous accesses, something that hasn’t been improved for a long time, with, instead, 16 to 32 simultaneous accesses (not much used on a standard PC). The read latency is just 0.06ms, or 16.6K IOPS, which is twice what you got with the best SSDs up to now (C300s). The Everest is also reported to have algorithms that have been specifically designed to halve the start-up times of current SSDs. OCZ is also highlighting the fact that performance with 8KB accesses is similar to that with 4 KB accesses, a simple consequence of moving from 4 KB pages to 8 KB pages on recent Flash chips.
In terms of reliability, Everest includes the proprietary Ndurance technology which is supposed to double the number of write cycles possible on current chips. No further details are given however. All we know is that Everest includes error correction based on the BCH algorithm that can reach over 70 bits per defined sector, where the SandForce SF-2000 is limited to 55 bits. Lastly OCZ is talking up performance over time.
The OCZ Octanes should be available as of November 1st for between $1.1 and $1.3 per GB. It now remains to be seen if these mouthwatering specs on paper will be confirmed in practice, both in terms of performance and reliability!
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