If you are supplying your own HDDs, please ensure they meet Ubiquiti's general guidelines and aren't found on our list of incompatible models.
Here are some comparable alternatives that will give your UniFi deployment the functionality you're looking for.
|Dimensions||85.6 x 53.98 x 0.84 mm (3.37 x 2.13 x 0.033")|
|Weight||5 g (0.18 oz)|
|Format||ISO 7810 ID-1|
|Technology||ISO/IEC 14443 Type A
MIFARE DESFire EV2
UniFi Access Proprietary Security