Once you have removed all 12 screws that secure the motherboard to the motherboard tray,...

Removing the motherboardrequires careful handlingto preventbending pins, PCB damage, or static discharge.

Correct Removal Process:

First, remove all 12 screws securing the motherboard.

Avoid touching any exposed pins or contacts.

Carefully slide the motherboard slightly out of the rear of the tray.

Support it with one hand underneath to prevent bending.

Continue sliding it out without tilting it.

Why other options are incorrect?

A (Touch pins & shove motherboard)→ Touching pins cancause electrostatic damageandforcing it out can damage components.

B (Hold like a pizza)→ Usingone handdoes not provide enough support, increasing the risk ofbending or dropping the motherboard.

C (Tilt chassis & shake it out)→ This is acompletely impropermethod and canseriously damageconnectors and PCB components.

Official Documentation Reference:

Supermicro MI300X System Removal Guideadvises toslide the motherboard out carefully while supporting it underneath.