Western Digital DHWD44PURZ Purple 4TB Surveillance Hard Drive

4TB surveillance hard drive built for reliable 24/7 DVR and NVR recording in home and small business systems.

The WD DHWD44PURZ is a practical surveillance storage upgrade for systems that need dependable recording without overcomplicating the build. With 4TB capacity, 5400 RPM class operation, 128MB cache, SATA support, and WD AllFrame technology, it is made for mainstream surveillance environments.

Why installers choose this surveillance hard drive

• 4TB capacity is a solid fit for many standard home and business recorder setups
• Built for mainstream surveillance systems, not general desktop use
• WD AllFrame technology helps reduce frame loss and improve video playback
• Supports up to 64 HD cameras and up to 16 drive bays
• Rated for up to 180TB per year workload in 24/7 surveillance use

Best use cases

• Home DVR and NVR systems needing reliable everyday recording
• Small business surveillance setups with moderate retention needs
• Replacing a failed surveillance drive with a purpose-built HDD
• Budget-conscious upgrades where dependable recording matters most

Recommended with this product

• Recording Accessories
• Video Recorders
• Network Recorders NVRs
• Security Camera Accessories
• Power Management Solutions

Quick guidance

The 4TB model is a smart choice for standard surveillance systems that need dependable 24/7 storage without moving into larger-capacity pricing. Check your recorder’s formatting process and storage limit before installing.

1. Will the WD DHWD44PURZ work in my DVR or NVR?
It is designed for systems that use a 3.5 inch SATA hard drive. You should still confirm that your recorder supports 4TB capacity.

2. Is this drive built for 24/7 surveillance recording?
Yes. WD Purple drives are made for always-on surveillance recording and use WD AllFrame technology to help improve video handling.

3. Who is the 4TB version best for?
It is a good fit for many home and small business systems that want reliable recording and decent retention without moving into higher-capacity drive pricing.