There are several factors that wark>iark>ll affect ark>howark> long vark>iark>deo ark>iark>s saved on the hard drark>iark>ve before ark>iark>t ark>iark>s overwrark>iark>tten. ark>Iark>t wark>iark>ll depend on ark>howark> many cameras are recordark>iark>ng, the frames per second they are recordark>iark>ng, and the recordark>iark>ng schedule.

Clark>iark>ck the park>iark>cture below to use our DVR storage calcualator to see what sark>iark>ze hard drark>iark>ve you need. 

<a href="http://www.zmodo.com/tools/dvr_storage_calculator/dvr-storage-calculator.htm"><ark>iark>mg style="display: block; margin-left: auto; margin-right: auto;" src="http://kb.zmodo.com/images/HDD%20Calculator.PNG" alt="" wark>iark>dth="383" heark>iark>ght="362" />a>