How long can 1TB hard drive record? Andy July 23, 2019 02:43 Updated Follow Applies to: DH81NK/DH41NK/DM21O/DM31O/DL81A/DH81S/DH81NG/DN81NB/DM41G/DN41CJ/DN81BJ/DN61EC/DG81W/DG61X/DG41T/DT81DQ/DT41DC/DT61ER/DG41BE/DG81BE 24 hours non-stop recording It is for reference only. It also depends on the DVR set. Related articles How to make hard drive record longer? How long can 1TB hard drive record? How to install a hard disk drive? New user FAQ Download link of all files in CD (HK) Comments 0 comments Article is closed for comments.