6TB Storage Prices: 3.5-inch SATA Drives for CCTV
4 products · prices include VAT
Pick the capacity by how many days of footage you want to keep, then check the drive is rated to run around the clock — an ordinary desktop drive is not built for that.
4 products
This range holds four 6TB hard drives in the 3.5-inch size, all with a SATA (Serial ATA) connection. 6TB means six terabytes of storage for recorded video. They suit recorders and servers with 3.5-inch SATA bays.
What is in the range
- Lenovo ThinkServer 6TB 7.2K SATA enterprise HDD – an enterprise-class drive rated at 7.2K.
- Toshiba MG Series MG10ADA600E – an enterprise drive running at 7200RPM (revolutions per minute).
- Seagate ST6000NM0275 – an enterprise drive at 7200RPM, built as an SED (self-encrypting drive).
- 6TB 3.5" SATA CCTV hard drive – sold for 24/7 continuous recording.
How to choose
- Recording use: pick the CCTV drive if the aim is round-the-clock recording on a CCTV system.
- Enterprise class: the Lenovo, Toshiba and Seagate drives are enterprise models, suited to server-style setups.
- Encryption: choose the Seagate SED if the drive itself should encrypt stored data.
- Fit: check your recorder has a free 3.5-inch SATA bay and accepts 6TB drives.
6TB — frequently asked questions
What does 6TB mean for CCTV recording?
It is the drive's total capacity: six terabytes. How many days of footage it holds depends on camera count, resolution and recording settings.
Which drive here is an SED?
The Seagate ST6000NM0275 is an SED, a self-encrypting drive. It is also a 3.5-inch SATA enterprise drive at 7200RPM.
Will these drives fit my recorder?
All four are 3.5-inch SATA drives, so the recorder needs a free bay of that size and SATA support. Check its maximum supported drive capacity as well.
Which drive is made for 24/7 recording?
The 6TB 3.5-inch SATA CCTV hard drive is described as ideal for 24/7 continuous recording.
Related guides
- How Much Storage Do I Need for CCTV? UK Guide 2026Each camera needs roughly its bitrate in Mbps × 10.8 GB per day of continuous recording.
- Best NVR Recorder UK 2026: Size, Storage and PoE GuideThe best NVR recorder is the one whose channel count, total bitrate ceiling and drive bays cover your cameras and your retention period with room to spare, so…