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WD Purple Surveillance Hard Drive - 1TB

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Model Number: WD11PURZ
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5400 RPM 1TB Smart Video Surveillance 3-Year Limited Warranty
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WD Purple™ drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple, you get reliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems, and some of our latest models (WD22PURZ, WD42PURZ, and WD63PURZ) have improved power efficiency. Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback.

Key Features
  • Engineered for always-on security environments, helping support continuous recording in DVR and NVR systems that operate around the clock.
  • Reliability rated up to 1M hours MTBF3 and backed by a 3-year limited warranty5.
  • Supports up to 64 single-stream4 HD cameras and engineered for mainstream surveillance systems.
  • Supports up to 180TB/year workload rate2 - up to three times that of desktop drives.
  • WD AllFrame™ technology delivers optimizations and helps reduce frame loss and improve overall video playback.
Key Features
Specifications Data Sheet Support
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Features

Uncompromising Storage with a WD Purple Surveillance Hard Drive

Industry-Leading Storage. Surveillance You Can Trust.
Western Digital is a worldwide leader in the hard drive industry. With WD Purple™ surveillance storage, you have a drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you’re protecting loved ones or monitoring your business, WD Purple™ offers performance you can trust.

Western Digital's Exclusive AllFrame™ Technology
All WD Purple™ drives are equipped with AllFrame™ technology, which improves ATA streaming to help reduce frame loss and improve overall video playback, within a multitude of security video solutions.

Specifications

Capacity
1TB
Technologies
AllFrame AI, WDDA
Recording Technology
CMR
Interface
SATA
Connector
SATA
Form Factor
3.5-Inch
Transfer Rate
up to 110MB/s
Disk Speed
5400 RPM
Cache Size
64MB
Endurance
180TB/year
Warranty
3-Year Limited Warranty
Operating Temperature
0°C to 65°C
Non Operating Temperature
-40°C to 70°C
Dimensions (L x W x H)
5.79" x 4" x 1.03"
Weight
450gms
Certifications
BSMI, ICES-003/NMB-003, CE, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB-Scheme, TUV, UL
Use Cases
Smart Video Surveillance
Compatibility
  • Up to 64 HD cameras
  • Up to 16 drive bays
  • AllFrame firmware technology
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Additional Models

1TB, 64MB WD11PURZ
2TB, 64MB WD23PURZ
3TB, 128MB WD34PURZ
4TB, 128MB WD44PURZ
6TB, 256MB WD64PURZ
8TB, 256MB WD85PURZ

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Frequently Asked Questions

A WD Purple surveillance hard drive is a storage drive designed specifically for 24/7 security systems. It’s built to support continuous video recording in DVR and NVR environments, helping deliver reliable performance for surveillance workloads and footage retention.

Corporate Responsibility at WD

We commit to positive corporate citizenship in all aspects of our business.

Learn More

Disclosures

  1. As used for storage capacity, 1TB = one trillion bytes. Actual user capacity may be less, depending on operating environment. 
  2. Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
  3. MTBF specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions: workload of 90TB/year and drive temperature of 40°C. Derating of MTBF will occur above these parameters, up to 65°C drive temperature. MTBF does not predict an individual drive’s reliability and does not constitute a warranty. 
  4. For capacities 4TB and higher.
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