6TB Hard Drives for CCTV & Home Storage
4 products in our Storage range — trade-grade UK stock from CCTV Master.
6TB storage drives for CCTV recording
This range covers 3.5" SATA hard drives at 6TB capacity, intended for use inside a DVR or NVR to store recorded footage. Four options sit in this category, with different levels of documented spec.
Three are named enterprise-class drives built for continuous duty: the Lenovo ThinkServer 6TB 7.2K SATA drive, the Seagate ST6000NM0275 (7200RPM, with SED self-encrypting drive support), and the Toshiba MG Series MG10ADA600E (7200RPM). All three are explicitly rated at 7200RPM and marketed as enterprise-grade.
The fourth option is a general "6TB - HDD 3.5" SATA Hard Drive," described as ideal for 24/7 continuous recording, though its rotational speed and enterprise classification aren't specified — worth checking directly if that detail matters for your setup.
How to choose
- Confirm 24/7 duty-cycle suitability — recorders run continuously, so a drive rated for constant use suits this job better than one built for occasional desktop use.
- Check the interface — all four are 3.5" SATA, the standard fit for most DVR/NVR bays.
- Consider SED if you need drive-level encryption — only the Seagate model here specifies this.
- Match capacity to camera count and retention period — more cameras or longer retention needs more storage headroom.
6TB — frequently asked questions
Do I need a 7200RPM drive for CCTV recording?
Continuous recording benefits from drives built for sustained write activity; three drives in this range (Lenovo, Seagate, Toshiba) are specified at 7200RPM, while the generic 6TB SATA option does not state its speed.
What does SED mean on the Seagate drive?
SED stands for self-encrypting drive, meaning data is encrypted at the hardware level; this is listed as a feature of the Seagate ST6000NM0275 specifically.
Will a 6TB drive fit my existing DVR or NVR?
All four drives are 3.5" SATA, the standard format most DVR and NVR bays accept, but it's worth checking your recorder's maximum supported capacity before buying.
