Samsung SRD-830 Quick Manual page 7

6. When the installation of additional HDDs is done,
connect the power cable and connect the HDD
signal cables (SATA Cable) to connectors  ~  on
the main board.

You can check the HDD map directly on the DVR.
Refer to "Storage Device > HDD Map".

Note that the order the HDD data cable is connected will
not affect the operation. The only consideration is the
length of each cable. ble.
If adding HDDs to SRD-830D/830DC/850D/850DC/870D/870DC/1610D/
1610DC/1630D/1630DC/1650D/1650DC/1670D/1670DC

The following figures are based on Model SRD-1670D.
1. First, loosen the screws on both sides and remove
the cover.
2. Disconnect the power and HDD Signal cable from
the existing HDDs, then loosen the screws (x4) in
the left/right and upper sides and remove the upper
brackets.
Cover
Upper Bracket
Lower Bracket
English _7