This District has two 680 SMART Board models. This is a quick reference to identify which is which.
SMART Board SB680
The darker frame is SB680. The model is printed on a sticker applied to the right facing side as Part No. SB680 with serial number as SB680-xx-xxxxxx. This model only has a USB cable. There is not a separate power cable.
SMART Board SBM680
The lighter frame is SBM680 (says M600 in upper right corner). The model is printed on a sticker applied to the right facing side as SBM680 with the serial number on the same sticker. This model has both a USB cable and a power cable.