A “low-cost” SLC SSD?
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Written by Benoit Lamamy
Published on January 20, 2010


Currently, the vast majority of general public SSDs use MLC (Multi-Level Cell) memory. Stocking several bits per cell, this type of chip costs less to produce but has a lower theoretical life span and performance than SLC (Single-Level Cell) chips. SLC SSDs are rarer, the best known being the Intel X25-Es and the OCZ Vertex Exs, which are priced at from €400 and €700 euros respectively for 60/64 GB versions.

The Akiba-PC Hotline site has information on Solidata that looks set to stir things up. Solidata are coming out with the K5-64i, a model using a standard Indilinx controller and SLC NAND from Intel (or more exactly IM Flash, from the Intel-Micron joint venture). This unusual mixture gives sequential reads of up to 250 MB/s and writes of 190 MB/s according to Solidata. The random access speeds haven’t been given, which is regrettable seeing as this is one of the principle advantages of SLC SSDs.

This model’s strong point is its pricing, which, at 29,000 yen, or around €267 for the 64 GB version, is very competitive indeed. This is twice as cheap as the previous version using Samsung SLC and an X25-E of the same capacity! We don’t yet know if this model will be coming to Europe however and whether the pricing will remain as competitive, as it is a good deal lower than the current cost of SLC memory according to figures from Dramexchange…

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