Western Digital WD Purple Pro WD121PURP: 12TB, 7200 RPM, 3.5-inch SATA HDD

3.80 (5)
Best price today
$545
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newegg_com
3.80 (5)
In stock
$545
Prices last updated Jun 26, 2026

Highlights

  • 12TB internal hard drive in 3.5-inch form factor
  • 7200 RPM spindle speed with 256MB cache
  • SATA 6.0Gb/s interface
  • Built for always-on smart video recorders, appliances, and servers
  • AllFrame AI technology helps reduce frame loss and improve video playback
  • Optimized for up to 64 single-stream HD cameras and multi-stream smart cameras
  • Workload rating up to 550TB per year
  • Engineered for 24/7 operation with up to 2.5 million hours MTBF

Description

The Western Digital WD Purple Pro WD121PURP is a 12TB 3.5-inch internal hard drive built for demanding, always-on video storage environments. Spinning at 7200 RPM with a 256MB cache and SATA 6.0Gb/s interface, it is designed for advanced smart video recorders, appliances, and servers. AllFrame AI technology helps improve ATA streaming for smoother video capture and playback with reduced frame loss. The drive is optimized to support up to 64 single-stream HD cameras, including newer smart cameras that send multiple streams, and is rated for workloads up to 550TB per year in 24/7 operation.

Specifications

Color purple
Brand Name WD
Brand Western Digital
Category hdd
Model Family WD121PURP
Condition New
Screen Size Inch 3.5
Storage Gb 12288
Ram Gb 0
Storage Type hdd
Form Factor 3.5"

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