Product Description
Western Digital WD140EDFZ 14TB — key specs
- Capacity: 14TB
- Form factor: 3.5-inch internal
- Interface: SATA III 6Gb/s
- Spin speed: 5400 RPM class
- Sector format: Advanced Format (AF) 4K
- Labelling: OEM, internal-use drive
The WD140EDFZ is a 14TB, 3.5-inch SATA III drive built for bulk-capacity duty in desktops, external enclosures and entry-level NVR/DVR builds. SATA III 6Gb/s keeps it compatible with standard controller boards found in most recorders and storage chassis.
Why 5400 RPM matters on an install
Running at a 5400 RPM class speed lowers power draw, heat output and noise compared with faster-spinning drives — a practical advantage inside a sealed NVR case that stays powered continuously. WD positions this model for light to moderate NVR/DVR usage: a handful of camera streams on a small-to-medium CCTV system, or general archive/backup work, rather than a dense multi-camera 24/7 install.
Compatibility notes for installers
Advanced Format (AF) 4K sector technology keeps it aligned with modern operating systems and recorder file systems. It integrates with standard SATA infrastructure and supports basic RAID configurations for redundancy where the NVR or NAS chassis allows it. This is not a dedicated surveillance-grade or enterprise drive — capacity and stable operation are the priorities here, not high write endurance, so match workload to camera count and retention needs before specifying it on a job.
Specifications
- Brand
- Western Digital
- Capacity
- 14TB
- Connector Type
- SATA
Technical Specifications
Frequently Asked Questions
What interface does the WD140EDFZ use?
It uses a SATA III 6Gb/s interface, the standard connection found in most desktop machines and recorders.
Is this drive suitable for a busy multi-camera CCTV install?
WD describes it as suited to light to moderate NVR/DVR usage rather than a large multi-camera 24/7 install.
Does it support RAID?
It integrates with standard SATA infrastructure and supports basic RAID configurations for redundancy.
Is this a surveillance-grade or enterprise drive?
No — it is not a dedicated surveillance-grade or enterprise drive; it's best suited to controlled workload environments prioritising capacity and stability.










