Recent content by Johnmcf2

  1. J

    Question SD card read-speed slows down when there's only one card is left to read ?

    I have been at it for awhile. The card readers came in and I plugged them all into a 7 port usb3.0 hub and.... failed, three worked 2 failed to initialize... and continuously tries giving notifications each time it tries and each time it fails about every 2 seconds. Played with them and got 3...
  2. J

    Question SD card read-speed slows down when there's only one card is left to read ?

    Been doing that for years. That is why I see it as a built in limit for some reason that just is not about the business of transferring files as fast as possible. It would be nice if Microsoft would address the issue and not try to explain the basic functions of file transfer. Been out if...
  3. J

    Question SD card read-speed slows down when there's only one card is left to read ?

    It is Microsoft Windows file explorer that comes with windows. One computer is running windows 10 and the other is running windows 11. Both have recently been upgraded to Pro for group policy functionality. File explorer stays pretty much the same. My laptop which is also running the same AMD...
  4. J

    Question SD card read-speed slows down when there's only one card is left to read ?

    I am going to try something new based on what people said about microsoft limiting the USB endpoints. I ordered 6 SD USB dual readers that can be plugged into a 7 port USB hub lowering the endpoint count by than half. I am currently using UGreen 4port readers each reader can only read one of my...
  5. J

    Question SD card read-speed slows down when there's only one card is left to read ?

    I use file explorer and have verified that the transfer speed does go down to 30MB/s using task manager. it is so obvious you can use a clock to measure it. The files from each camera only very a few MB and usually run 60GB or more. 4K video for 1.5 to2 hours on 5 cameras. I really am not...
  6. J

    Question SD card read-speed slows down when there's only one card is left to read ?

    I record events using multiple camera and devices that use 250GB SD cards for storage. All cards read at above 95MB/s which is the slowest one. The fastest is 200MB/s. I can only get the computer to recognize 3 readers at a time. Using Windows 10 Home and pro and Windows 11 Home and pro and on...