
Digital Video Recorder User Manual
=324000(MB)
=324(GB)
If you 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)
In this case you should install four 320 GB SATA HDDs, and you can record about one month.
Appendix D Compatible Devices
1.Compatible USB flash drives based on our testing:
| Brand | 
 | Capacity | 
| SSK | 
 | 512MB, 1G, 2GB | 
| 
 | 
 | 
 | 
| Netac | 
 | 4GB | 
| 
 | 
 | 
 | 
| Kingston | 
 | 2GB | 
| 
 | 
 | 
 | 
| Aigo | 
 | 2GB | 
| 
 | 
 | 
 | 
| Smatter vider | 
 | 1GB | 
| 
 | 
 | 
 | 
| Scandisk | 
 | 4GB | 
| 
 | 
 | 
 | 
| 
 | Tab C.1 Compatible USB drive | |
2.Compatible SATA CD/DVD burners based on our testing:
| Brand | 
 | Model | 
| SAMSUNG | 
 | |
| 
 | 
 | 
 | 
| 
 | ||
| 
 | 
 | 
 | 
| 
 | Tab C.2 Compatible CD/DVD writers | |
Notice: This does not mean these are the only ones that will work, these are the ones that we have used in our testing so we recommend them.
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