LT Security LTD2408-2416 - Manual (Page 115)

Digital Video Recorder User Manual
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Total Recoding capacity =112.5(mb/h) X 24(hours/day) X30(days) X8(channels)
= 648000(MB)
= 648(GB)
Therefore, customers just install two SATA HDDs with 320GB, it can almost record for one month.
For 4-channel DVR:
Total Recoding capacity =112.5(mb/h) X 24(hours/day) X30(days) X4(channels)
= 324000(MB)
= 324(GB)
If users install one 320GB SATA HDD, it can almost record one month.
For 16-channel DVR:
Total Recoding capacity =112.5(mb/h) X 24(hours/day) X30(days) X16(channels)
= 1296000(MB)
= 1296(GB)
Thus, users should install four 320 GB SATA HDD, they can record about one month.