Plextor M2 Series 128GB SATA 6Gbps Marvell SSD Review

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Plextor M2 Series – Internals

Plextor Open

Opening the drive reveals four pads set strategically to help mitigate physical shock and keep the guts safely in place.

Plextor PCB

On one side of the PCB lies the NAND in four modules which show the imprints of the aforementioned pads.

Plextor NAND

The 34nm MLC NAND is branded Toshiba and carries the part number TH58TVG7D2FBA89. There are eight total modules, each 16 GB in density for a total of 128GB on board.

Plextor PCB

On the other side, in addition to the NAND, lies the Marvell controller and the SDRAM cache.

Plextor

The Nanya branded DD3 SDRAM cache is 1 Gb (note the lower case “b”, equaling 125 MB) in density. This helps the controller by buffering the data to prevent stuttering that was prevalent in the first generation SSD drives.

Plextor

The Marvell controller is model number 88SS9174 which we saw on the Micron RealSSD drive albeit a different revision. Unlike the SandForce controllers that are so popular, it doesn’t rely on data compression to boost overall speed. It supports TRIM and idle collection to keep things running smoothly. On to the Benchmarks!

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