Transcend 128GB MicroSDXC UHS-I U3 V30 A1

$ sudo nano /boot/config.txt
 
force_turbo=1
dtparam=sd_overclock=100
 
$ sudo reboot

$ sudo nano /boot/config.txt
 
#----- Zero OC -----
##fake_vsync_isr=1
##framebuffer_swap=0
##gpu_mem=48
##init_emmc_clock=100000000
 
force_turbo=1
 
##arm_freq=1150
##arm_freq=1095 for my other unit with heatsink
##arm_freq=1085
arm_freq=1050
 
##gpu_freq=550 for the unit with a heatsink
##gpu_freq=530
gpu_freq=520
##gpu_freq=300
 
core_freq=515
over_voltage=2
 
sdram_freq=533
over_voltage_sdram=1
##over_voltage_sdram_c=7
##over_voltage_sdram_i=7
##over_voltage_sdram_p=8
 
dtparam=sd_overclock=100