The thing about booting Operating Systems is that 4K Read/Write Speed dictate the experience more than the sequential Read/Write Speed (the usual advertised speed). I would also submit that if Memory, for use on a USB stick was actually much faster - then it would very likely be available on an SD card - as Class X (super fast).Ī USB 3.0 Flash Drive is almost always preferable to an SD Card when booting an OS. Basically - we can NOT assume that because the interface is USB 3 that the transfer rate will be the same as the USB 3 specification - in this case. If the memory on the USB 3 stick is Class 2 then that will be the limitation. So - this means that if the Memory on the USB 3 Memory Stick in Class 10 then that will be the limitation. On the USB stick is Flash Memory - basically the SAME memory types, with the same limitation as the memory on the SD Card. So my thought on this is, we have to dig a little deeper! HOWEVER, it does NOT say anything about the capability of the actual media on the two sides of the USB interface. The USB stick issue/specification that is being sited is indeed the actual data transfer rate capability. The class level for the SD Card is there because it is basically saying these are the read/write speeds of the memory on the SD card. I think there is perhaps, I say perhaps, an over riding consideration on the selection.
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