Intel 520 240GB SSD Review (Round One) – Intel Releases Amazing SATA 3 SandForce Driven SSD

SSD EXTERIOR AND COMPONENTS

No different than Intel’s previous SSD releases, the Series 520 case is a metal ultra slim design with a rubber spacer on top that can be removed, if necessary.

The back is unremarkable with only a course unpolished metal surface and the exterior casing can be disassembled through removal of four screws which afford access to the SSDs printed circuit board (PCB) and components.

The heart and sole of the Series 520 is the LSI SandForce SF-2281 processor.  This has been the subject of immense curiosity for several months now as many have doubted Intel’s intentions of  manufacturing an SSD with any controller other than their own.

Eight modules of Intel’s own 25nm NAND flash memory (29F16B08CCME2) can be found on each side of the PCB, each being 16GB in capacity.  These memory chips are Intel’s premium line, this meaning that they are synchronous and will have better performance results when working with incompressible data than the more value driven asynchronous memory has. In examining the PCB closely, we can also see that Intel has stamped their codename ‘Cherryville’ onto its face at the bottom right and lower left on the back.

The total capacity of the NAND flash memory is 256GB, however, one 16GB module is utilized for firmware and over provisioning needs, leaving us with the advertised 240GB capacity.  Formatting reduces the available capacity even further and the final storage available to the consumer is 224GB.

Not understanding the reasoning for their total capacity being 224GB when the advertised storage is 240GB, many become disappointed and some even wonder if their is something wrong with the SSD itself.  The simple fact is that the firmwares retention of that 16GB provides significant performance and endurance increases that are the trademark of ‘SandForce Driven’ SSDs.  It is a good thing that has contributed significantly to the LSI SandForce success story.

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