Skip to content

Instantly share code, notes, and snippets.

@ayufan

ayufan/rpi-4b-sd-usb3.md

Last active February 6, 2023 17:58
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save ayufan/532936f077f86cf47cde01bd8babaeda to your computer and use it in GitHub Desktop.
Save ayufan/532936f077f86cf47cde01bd8babaeda to your computer and use it in GitHub Desktop.
Download ZIP
RaspberryPI 4B SD card tests over USB3 card reader
Raw
rpi-4b-sd-usb3.md

Sandisk 32GB Ultra A1 (2022)

	Command line used: iozone -e -I -a -s 100M -r 16k -r 512k -r 1024k -i 0 -i 1 -i 2 -f test
  
                                                              random    random     bkwd    record    stride                                    
              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400      16     9133     8666    21972    20186    19566     9457                                                                
          102400     512    18792    18809    68554    73029    65743    19684                                                                
          102400    1024    18777    15908    60207    65950    70765    18875

Samsung 128GB EVO Plus (2018)

	Command line used: iozone -e -I -a -s 100M -r 16k -r 512k -r 1024k -i 0 -i 1 -i 2 -f /mnt/test

                                                              random    random     bkwd    record    stride                                    
              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400      16     5199     5657    19314    19351    18154     1547                                                                
          102400     512    21650    21663    60590    65901    30671    28584                                                                
          102400    1024    21597    21616    66378    65182    62990    19392

Samsung 256GB EVO Select A2 (2022 / Amazon)

	Command line used: iozone -e -I -a -s 100M -r 16k -r 512k -r 1024k -i 0 -i 1 -i 2 -f /mnt/test

                                                              random    random     bkwd    record    stride                                    
              kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
          102400      16     5720     5912    23980    23869    20676     5715                                                                
          102400     512    26964    21754    67201    70189    68188    23881                                                                
          102400    1024    26653    23400    72432    69071    71459    23921
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment