As standard the Reolink RLN8-410 has a pre-installed 2TB hard drive and the RLN16-410 has a pre-installed 3TB hard drive. Both the Reolink RLN8-410 and the RLN16-410 standard hard drives can be upgraded with larger hard drives.
The Reolink RLN8-410 only has a single slot so the only way of upgrading this NVR is by replacing the hard drive with a 4TB drive (maximum).
(Picture shows the RLN16-410 with 2 HDD installed)
The Reolink RLN16-410 has 2 slots so the stock hard drive can be upgraded to a 4TB drive and an additional 4TB drive can be installed. The maximum storage of 8TB can be installed in this NVR.
Note: The stock HDD storage for these models are as follows:
Reolink RLN8-410 → 2TB
Reolink RLN16-410 → 3TB
Reolink WiFi NVR → 1TB
Upgrading The Hard Drive Inside The NVR
Upgrading the hard drive in the Reolink NVR is similar to changing the HDD in a desktop computer
There is enough space and reserved plugs for two 4TB HDD in RLN16-410 NVRs, which means its maximum capacity can be expanded to a total of 8TB internally.
For the new 4K hardware version RLN16-410 NVR system without an eSATA port and with hardware version H3MB18, can support 2 x 6TB internal HDDs, total capacity up to 12TB HDD.
For the new 4K hardware version RLN4-410 NVR system with hardware version H3MB18 or N2MB02 can support 1 x 6TB internal HDD
Step 1. Prepare a HDD, and open the NVR box gently.
Step 2. Plug the HDD in to the exact port on PCB board, then fix the HDD to the base of NVR.
Step 3. Put the upper plate back on the NVR box and restore it to original state.
(Picture shows the Reolink RLN16-410 with 1 HDD installed)
Position 1 is where you can posotion the extra HDD inside the NVR.
Position 2 is the SATA plug for the extra HDD.
Position 3 is the power supply plug for the extra HDD.
(Picture shows the Reolink App Before & After RLN16-410 with 2 HDD installed)
Log in to the NVR, then enter Menu > Device > HDD interface to check for the new HDD then ensure that the new hard drive is formatted before being used.