Western Digital DHWD181PURP Purple Pro 18TB AI Surveillance Hard Drive

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A high-capacity 18TB WD Purple Pro surveillance drive for advanced NVR storage, AI-ready systems, and reliable 24/7 video recording.

Sale price$798.99 USD

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Product Specifications

Western Digital DHWD181PURP Purple Pro 18TB AI Surveillance Hard Drive

Product Details

18TB surveillance hard drive built for advanced NVR systems, AI video workloads, and longer recording retention.

The WD DHWD181PURP is a strong upgrade for surveillance systems that need more storage headroom without overbuilding the budget. It combines 18TB of capacity with 7200 RPM class performance, 512MB cache, and CMR recording technology for dependable always-on recording.

Why installers choose this surveillance hard drive

  • 18TB capacity gives more retention time for growing camera systems
  • Designed for AI-enabled recorders, analytics appliances, and surveillance servers
  • 512MB cache and 7200 RPM class design support demanding write workloads
  • CMR recording technology for dependable surveillance storage performance
  • Supports up to 64 single-stream cameras and up to 550TB per year workload

Best use cases

  • Home and business NVR systems that need long video retention
  • Commercial upgrades where 8TB to 12TB no longer feels enough
  • Advanced surveillance setups using AI features or analytics
  • Storage expansion in professional multi-camera installations

Recommended with this product

Quick guidance

The 18TB version is a practical sweet spot for installers who want serious storage growth without stepping into the top-end capacities. Check your recorder’s maximum supported HDD size before ordering.

18TB surveillance hard drive built for advanced NVR systems, AI video workloads, and longer recording retention.

The WD DHWD181PURP is a strong upgrade for surveillance systems that need more storage headroom without overbuilding the budget. It combines 18TB of capacity with 7200 RPM class performance, 512MB cache, and CMR recording technology for dependable always-on recording.

Why installers choose this surveillance hard drive

  • 18TB capacity gives more retention time for growing camera systems
  • Designed for AI-enabled recorders, analytics appliances, and surveillance servers
  • 512MB cache and 7200 RPM class design support demanding write workloads
  • CMR recording technology for dependable surveillance storage performance
  • Supports up to 64 single-stream cameras and up to 550TB per year workload

Best use cases

  • Home and business NVR systems that need long video retention
  • Commercial upgrades where 8TB to 12TB no longer feels enough
  • Advanced surveillance setups using AI features or analytics
  • Storage expansion in professional multi-camera installations

Recommended with this product

Quick guidance

The 18TB version is a practical sweet spot for installers who want serious storage growth without stepping into the top-end capacities. Check your recorder’s maximum supported HDD size before ordering.

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