Electronics > Projects, Designs, and Technical Stuff

Large flash chips are obtainable?

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free_electron:

--- Quote from: ali_asadzadeh on August 20, 2020, 01:53:09 pm ---
Ok, fair enough, Try it on FPGA and sell the IP sounds good to me too.

--- End quote ---
That could be done , but you will need one hell of an FPGA to create the flash controller. you will also need an external processor or four ..MAybe a Xilinx Zynq can do it. The flash controllers have some oomph behind them.
It may be easier to model this as opposed to try to build it in hardware. create the algorithm , model that. forget physical implementation. it will be very hard to get to the real speed.

NiHaoMike:

--- Quote from: CChin254 on August 20, 2020, 05:40:34 pm ---That's possible to use FPGAs to control the SSD. Here is the block diagram of one of the worlds highest capacity SSDs.

--- End quote ---
All that capacity only to bottleneck it with a humble SATA connector. I would expect PCIe or something even more exotic for such a high end SSD.

Berni:

--- Quote from: NiHaoMike on August 20, 2020, 10:33:15 pm ---
--- Quote from: CChin254 on August 20, 2020, 05:40:34 pm ---That's possible to use FPGAs to control the SSD. Here is the block diagram of one of the worlds highest capacity SSDs.

--- End quote ---
All that capacity only to bottleneck it with a humble SATA connector. I would expect PCIe or something even more exotic for such a high end SSD.

--- End quote ---
That's the block diagram of one of these:
https://nimbusdata.com/products/exadrive/

The point if these SSDs is not speed but storage density. It can fit 100TB of storage in the size of a regular hard drive and so can fit into a single server hotswap bay. So with these you can easily get a petabyte of storage in a small server while making less noise, less heat, consuming less power and still being orders of magnitude faster than a hard drive when it comes to random access speeds. Stick a bunch of these on a fancy RAID controller and you still get blazing speeds in the end.

Admittedly it is a pretty niche product but there are some niche costumers that will pay up the big bucks for it.

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