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  3. what is the difference ?

what is the difference ?

Scheduled Pinned Locked Moved The Lounge
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  • L Offline
    L Offline
    Lost User
    wrote on last edited by
    #1

    OK I asked Mrs Google about difference between SSD and Flash drive , and this is what she said : What's the difference between flash and SSD storage? | PC Gamer[^] In much lesser wording: They are read / write storage devices (RAM ?) , some connected via USB... where the actual storage memory is implemented with different technology. What could be added to my description ?

    G Richard Andrew x64R P D J 5 Replies Last reply
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    • L Lost User

      OK I asked Mrs Google about difference between SSD and Flash drive , and this is what she said : What's the difference between flash and SSD storage? | PC Gamer[^] In much lesser wording: They are read / write storage devices (RAM ?) , some connected via USB... where the actual storage memory is implemented with different technology. What could be added to my description ?

      G Offline
      G Offline
      Gary R Wheeler
      wrote on last edited by
      #2

      The term "Flash drives" generally refer to removable drives, while SSD's refer to drives 'built-in' to the computer. Both types use solid-state devices for storage, rather than spinning magnetic media.

      Software Zen: delete this;

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      • L Lost User

        OK I asked Mrs Google about difference between SSD and Flash drive , and this is what she said : What's the difference between flash and SSD storage? | PC Gamer[^] In much lesser wording: They are read / write storage devices (RAM ?) , some connected via USB... where the actual storage memory is implemented with different technology. What could be added to my description ?

        Richard Andrew x64R Offline
        Richard Andrew x64R Offline
        Richard Andrew x64
        wrote on last edited by
        #3

        SSDs typically use NAND memory that it much faster than the memory type used in USB drives.

        The difficult we do right away... ...the impossible takes slightly longer.

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        • L Lost User

          OK I asked Mrs Google about difference between SSD and Flash drive , and this is what she said : What's the difference between flash and SSD storage? | PC Gamer[^] In much lesser wording: They are read / write storage devices (RAM ?) , some connected via USB... where the actual storage memory is implemented with different technology. What could be added to my description ?

          P Offline
          P Offline
          PIEBALDconsult
          wrote on last edited by
          #4

          If I stick a laptop SSD in a USB housing... Anyway, I don't think the typical consumer cares. I know I don't. And things change so rapidly.

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          • P PIEBALDconsult

            If I stick a laptop SSD in a USB housing... Anyway, I don't think the typical consumer cares. I know I don't. And things change so rapidly.

            L Offline
            L Offline
            Lost User
            wrote on last edited by
            #5

            Would USB "Flash drive" be "limited" in speed by USB bus? PS I just asked as a technical curiosity question - I do not want to get into personal opinions.

            D 1 Reply Last reply
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            • L Lost User

              Would USB "Flash drive" be "limited" in speed by USB bus? PS I just asked as a technical curiosity question - I do not want to get into personal opinions.

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              Daniel Pfeffer
              wrote on last edited by
              #6

              The latest USB standard (3.2 Gen 2) goes as high as 10 Gb/second. The actual data rate is lower because of the protocol overhead. I doubt that the flash memory used in flash drives can keep up with that. It should be able to keep up with USB 2.0 (480 Mb/second). OTOH, even SATA SSD drives can reach speeds of 4.5 Gb/second of data. This is close to the SATA III speed (6 Gb/second), if you allow for the overhead. A PCIe or NVMe drive is even faster.

              Freedom is the freedom to say that two plus two make four. If that is granted, all else follows. -- 6079 Smith W.

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              • L Lost User

                OK I asked Mrs Google about difference between SSD and Flash drive , and this is what she said : What's the difference between flash and SSD storage? | PC Gamer[^] In much lesser wording: They are read / write storage devices (RAM ?) , some connected via USB... where the actual storage memory is implemented with different technology. What could be added to my description ?

                D Offline
                D Offline
                DerekT P
                wrote on last edited by
                #7

                You've thrown me by saying "(RAM?)". While at an electronic level, RAM and Flash might use the same or similar technology (I don't enough to say yes or no) SSD is definitely not "RAM" which is very specifically RANDOM ACCESS memory. As such RAM is directly accessible at a much more granular level than an SSD is (normally) accessed at. RAM doesn't have a "file system" mapped onto it, and yet (with some exceptions such as when formatting or writing boot blocks - perhaps) an SSD is normally accessed via a filing system, reading/writing "blocks" of data within a specific file. Clearly within the SSD itself, each byte is directly accessible but from an external viewpoint, it's not. I'm probably not quite right on some of the implementation details but in general, the term "SSD" is used to refer to a solid-state device giving access to data via a file system of some sort, whilst RAM is directly addressible. I think that's an important enough distinction to warrant removing any reference to RAM from the SSD / Flash discussion...

                Telegraph marker posts ... nothing to do with IT Phasmid email discussion group ... also nothing to do with IT Beekeeping and honey site ... still nothing to do with IT

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                • L Lost User

                  OK I asked Mrs Google about difference between SSD and Flash drive , and this is what she said : What's the difference between flash and SSD storage? | PC Gamer[^] In much lesser wording: They are read / write storage devices (RAM ?) , some connected via USB... where the actual storage memory is implemented with different technology. What could be added to my description ?

                  J Offline
                  J Offline
                  jschell
                  wrote on last edited by
                  #8

                  Salvatore Terress wrote:

                  SSD and Flash drive

                  Presumably you are asking for a technical answer. I would surprise me if the answer is in fact technical versus nothing more than marketing.

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