Western Digital
Sata-6Gb-S 7200 Rpm 3-5-Inch Allframe-Ai Smart-Video-Storage

Western Digital WD Purple Pro WD221PURP: 22TB, 7200 RPM, 3.5-inch SATA HDD

4.60 (21)
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Prices last updated Jun 26, 2026

Highlights

  • 22TB internal hard drive in a 3.5-inch form factor
  • 7200 RPM performance with 512MB cache
  • SATA 6.0Gb/s interface
  • AllFrame AI technology helps reduce frame loss and improve video playback
  • Optimized for advanced, AI-enabled smart video recorders, appliances, and servers
  • Supports up to 64 single-stream HD cameras
  • Workload rating up to 550TB per year
  • Engineered for 24/7 environments with MTBF up to 2.5 million hours

Description

The Western Digital WD Purple Pro WD221PURP is a 22TB 3.5-inch internal hard drive built for demanding, always-on video storage environments. Running at 7200 RPM with a 512MB cache and SATA 6.0Gb/s interface, it is designed to support advanced smart video recorders, appliances, and servers. AllFrame AI technology helps improve ATA streaming for reduced frame loss and smoother playback, while support for up to 64 single-stream HD cameras suits high-channel surveillance setups. With a workload rating up to 550TB per year and MTBF up to 2.5 million hours, it is engineered for continuous 24/7 operation.

Specifications

Color purple
Brand Name WD
Brand Western Digital
Category hdd
Model Family WD221PURP
Condition New
Screen Size Inch 3.5
Storage Gb 22528
Ram Gb 0
Storage Type hdd
Form Factor 3.5"

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