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Phison S10 Quad-Core Performance SSD Controller Preview

By: Chris Ramseyer | SSDs in Storage | Posted: Jul 31, 2014 3:28 pm

Phison S10 Reference Design

 

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Phison made a label for our reference design. I think this is so we didn't lose it in our collection of unidentifiable prototype SSDs. The hand written 240GB tells us the labels are mainly for show at conventions and such.

 

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Our sample has a 7mm z-height like most SSDs hitting the streets these days.

 

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Inside we found a PCB that is a little longer than half the side of the case.

 

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There is a sticker over the controller for show reasons. Under the sticker is just a plane controller void of markings. Many SSD builders prefer the shorter PBC design since it costs less to manufacture.

 

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The star of the show is also the least interesting visually

 

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On this prototype, we found 256GB of Toshiba A19 MLC NAND flash with 64Gb die. There are eight packages total.

 

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Our sample had a single DDR3 DRAM package with RAM from Nanya.

 

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A second pad on the back of the PCB is for DRAM as well. We suspect larger capacity size models will use two DRAM packages to buffer page table data.

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