Dell9100#configure terminal 
Dell9100(conf)# default interface hundredGigE 1/32          
Dell9100(conf)#stack-unit 1 port 32 portmode ?
dual                	Enable dual mode                        
quad                	Enable quad mode                        
single              	Enable single mode                              
Dell9100(conf)#stack-unit 1 port 32 portmode quad speed ?
10G                 	Quad port mode with 10G speed           
25G                 	Quad port mode with 25G speed           
Dell9100(conf)#stack-unit 1 port 32 portmode quad speed 10G
Warning: Enabling Quad mode on stack-unit 1 port 32. Please verify whether the configs related to interface Hu 1/32  are cleaned up before proceeding further.
[confirm yes/no]:yes
Quad mode is enabled on stack-unit 1 port 32
Dell9100(conf)#
Dell9100(conf)#int range tengigabitethernet 1/32/1-1/32/4
Dell9100(conf-if-range-te-1/32/1-1/32/4)#shut
Dell9100(conf-if-range-te-1/32/1-1/32/4)#no shut