Western Digital recently released a 3TB DVR rated Hard Drive called the Western Digital Purple Grade 3TB HDD. The following is a list of current Zmodo DVRs and whether they are compatible with Western Digital's new 3TB HDD:
DX-SIN* / DT-SAN* - Formatted successfully. Records and plays back successfully. Recognized the full 3TB of available storage. Compatible.
DT-SFN6 - Formatted successfully. Records and plays back successfully. After the HDD was formatted, the DVR only showed 2041 available GB of storage instead of the correct 3000GB of storage. This DVR may have issues reading the correct capacity of a large size HDD.
DT-SCN* - Formatted successfully. Records and plays back successfully. Recognized the full 3TB of available storage. Compatible.
DD-SAN* / DD-SBN* - The DVR would detect the HDD, but would not format the HDD successfully. Additionally, the DVR would randomly reboot often when the 3TB HDD was installed in it. Not Compatible!
720P NVR (ZP-NB14) - Formatted successfully. Records and plays back successfully. After the HDD was formatted, the NVR only showed 512 available GB of storage instead of the correct 3000GB of storage. This NVR may have issues reading the correct capacity of a large size HDD.
POE (ZP-NC14-P) - Formatted successfully. Records and plays back successfully. After the HDD was formatted, the NVR only showed 512 available GB of storage instead of the correct 3000GB of storage. This NVR may have issues reading the correct capacity of a large size HDD.
Simplified POE (ZP-NC14) - Formatted successfully. Records and plays back successfully. After the HDD was formatted, the NVR only showed 512 available GB of storage instead of the correct 3000GB of storage. This NVR may have issues reading the correct capacity of a large size HDD.
We generally do not recommend installing a Hard Drive that has a larger file space than 2TB, however if your application requires a larger HDD we recommend only using the Western Digital Purple Grade 3TB Hard Drive at this time.