master@universe:~/khadas/img/edge2$ time xz -dc Armbian_23.2.9_Khadas-edge2_jammy_legacy_5.10.160.img.xz > Armbian_23.2.9_Khadas-edge2_jammy_legacy_5.10.160.img

real	0m31.879s
user	0m30.135s
sys	0m1.418s
master@universe:~/khadas/img/edge2$ time pixz -dc Armbian_23.2.9_Khadas-edge2_jammy_legacy_5.10.160.img.xz Armbian_23.2.9_Khadas-edge2_jammy_legacy_5.10.160.img

real	0m3.181s
user	0m39.479s
sys	0m1.180s

~$ ls -l1 Armbian_23.2.9_Khadas-edge2_jammy_legacy_5.10.160.img.xz 
-rw-rw-r-- 1 master master 582247696 May 26 10:11 Armbian_23.2.9_Khadas-edge2_jammy_legacy_5.10.160.img.xz