Today all hard drives and SSDs have over their storage medium of RAM on their board. It serves as a buffer to speed up trade between the mass media and computer. On most hard drives today it has a capacity of 64 MB but can get into SSDs to 512 MB.
But when a power outage that memory will be erased and the data will not be written to disk. This can cause corruption and loss of information. Hard drives with little RAM the problem is less critical than the SSD in RAM that can be a significant amount of RAM. To overcome this problem the SSD manufacturers have inserted in their professional products a capacitor for powering the hard time that the contents of the RAM is copied to Flash memory, a few seconds.
Buffalo hard disk manufacturer has decided to choose a other way.
The company decided to replace the DRAM in the MRAM. MRAM is the magnetoresistive memory which flows close to the DRAM but as the Flash does not lose its data if it ceases to feed. Indeed some see this one that MRAM will succeed as well as the Flash RAM computers.
still too expensive and not dense enough to act as the primary storage system remains confined to the role of cache but here will be perfectly at ease. It now remains to find the extra spending commitments due its cost knowing that the DRAM is not worth much now and weighs almost no on the final price of an SSD.
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