This is a replacement Preflashed Micro SD card for BB (buildbotics) controllers only containting the latest Firmware at time of purchase.  This is 32gb in size.
 
*Important* You will need to reset the configuration to your specific machine in order for the machine to travel correctly.  https://forum.onefinitycnc.com/t/how-to-reset-the-configuration-to-defaults-bb-controller/2547
 
Comptable with:
All Pro Series
All Original Series
 
You can reflash your own SD card via this faq.  Only purchase this listing if your are unable to reflash your own sd card: https://forum.onefinitycnc.com/t/how-to-reflash-the-operating-system-on-the-onefinity-bb-controller-full-sd-card-image/5659