replacing psu

kinda newbie in this, but is it possible to replace my psu without laying the motherboard on a table My specs - mobo: Asrock B550M pro4 - cpu: Ryzen 5 3600 - cpu cooler: deepcool gammaxx something - ram: 16GB(2x8GB T-force delta) DDR4 3600 - GPU: MSI RTX 3060TI Gaming X(The dual fan one) - PSU...