12TB Storage: 3.5" SATA Hard Drives for CCTV Recorders
2 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.
2 products
This range covers three 12TB 3.5" SATA hard disk drives (HDDs) for storing footage in a CCTV recorder or a network storage unit. 12TB means 12 terabytes, or 12,000GB, of space on one drive.
What is in the range
- Western Digital WD120EDAZ: internal HDD, 5400RPM.
- Lenovo ThinkSystem 01MP633: enterprise HDD, 7.2K.
- Toshiba N300: NAS hard drive, 7200RPM.
How to choose
- Drive class: The listings describe one drive as internal, one as enterprise and one as NAS (network attached storage). Choose the class that suits where the drive will run.
- Spin speed: RPM means revolutions per minute. The Lenovo and Toshiba drives are listed at 7.2K and 7200RPM. The Western Digital drive is listed at 5400RPM.
- Connection and size: All three are 3.5" SATA. Your recorder needs a free 3.5" SATA bay.
What else you need
Check that your recorder accepts 12TB drives. The manual or manufacturer's drive list will say. Recording time depends on camera count, resolution and bitrate, so estimate this for your own system before choosing capacity.
12TB — frequently asked questions
How much footage does a 12TB drive hold?
12TB is 12,000GB of capacity. How many days it holds depends on the number of cameras, their resolution and the bitrate settings.
Will these drives fit my recorder?
All three are 3.5" SATA drives, so the recorder needs a free 3.5" SATA bay. Check its manual to confirm it supports 12TB drives.
What do the RPM figures mean?
RPM is how many times the platters spin each minute. The WD120EDAZ is listed at 5400RPM, the Lenovo 01MP633 at 7.2K and the Toshiba N300 at 7200RPM.
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…