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Samsung to Offer New Type of Flash Memory Card

posted by janrinok on Friday July 08 2016, @02:10AM   Printer-friendly

butthurt writes:

Gizmag reports that Samsung is expected to be the first company to offer for sale a new type of memory card, Universal Flash Storage. The new cards, which follow a JEDEC standard, have the same size and shape as microSD cards but are electrically incompatible with them.

Samsung claims a "sequential read speed of 530 megabytes per second (MB/s)" and, for the 256 GB card (the largest capacity), a "170 MB/s sequential write speed" and "35,000 random IOPS." Gizmag likened the speeds to those obtainable with SSDs. Cards with capacities as small as 32 GB will be offered.

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  • (Score: 2) by Gravis on Friday July 08 2016, @09:53PM

    by Gravis (4596) on Friday July 08 2016, @09:53PM (#372077)

    you say should but there are no guarantees it won't just brick because the memory controller from company XYZ is explicitly for exFAT based manipulation.

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  • (Score: 2) by krishnoid on Saturday July 09 2016, @12:45AM

    by krishnoid (1156) on Saturday July 09 2016, @12:45AM (#372136)

    I should have rephrased that. I've:

    • used that utility to format eight Samsung 64GB EVO microSDXC cards as FAT32
    • run their entire capacities through h2testw
    • inserted all of them into various Android devices
    • have various Android apps read and write files to them

    Also, I think the memory controller only cares about its own low-level formatting that 'creates' the disk blocks. I don't think it's even aware of how the OS sets up and manages various filesystems using those disk blocks -- FAT32, exFAT, ext3/ext4, etc.

    • (Score: 2) by Gravis on Saturday July 09 2016, @09:25PM

      by Gravis (4596) on Saturday July 09 2016, @09:25PM (#372475)

      Which part of "no guarantees it won't just brick because the memory controller from company XYZ is explicitly for exFAT based manipulation" did you not understand? Or perhaps, do you think all SDXC cards are made by one company?