This will let you install Sparky ARMHF image to a mini SSD memory card 8GB or bigger,

Connect your mini SSD card via an SSD adapter to your computer.

To detect your SSD card, run:

 sudo fdisk -l

or

 lsblk

or

 sudo blkid

or

 df -h

Your SSD device number should be such as: /dev/sdX, where the “X” replace with your device letter.

Umount the SSD card:

 sudo umount /dev/sdX

Format it:

 sudo mkfs.fat -F 32 -I -v /dev/sdX

or

 sudo dd if=/dev/zero of=/dev/sdX

Unzip Sparky image:

 unzip sparkylinux-VER-armhf.zip

Copy it to a SSD card:

 sudo dd if=sparkylinux-VERSION-armhf.img of=/dev/sdX bs=4M conv=fsync

or copy a zipped image to a SDD card:

 sudo unzip -p sparkylinux-VERSION-armhf.zip | sudo dd of=/dev/sdX bs=4M conv=fsync