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3.5 inch internal hard drive with silver metal casing and green label

Western Digital

Western Digital 14TB WD Purple Pro 3.5" SATA 512MB internal hard drive

SKU CH-CRDF-X61A3

14 TB surveillance drive rated for 550 TB per year and 64 HD cameras with 512 MB cache

  • Designed for 24/7 surveillance with up to 2.5 million hours MTBF
  • Handles up to 64 HD cameras using AllFrame AI technology
  • Sustains heavy recording workloads rated up to 550 TB per year
  • Large 512 MB cache boosts video streaming performance
  • 5 inch SATA form factor fits standard desktop drive bays

Capacity and Interface

The Western Digital WD Purple Pro is a 14TB 3.5 inch internal hard drive using a SATA 6 Gb/s interface. It is built for surveillance storage and video analytics workloads in desktop or server environments.

AllFrame AI and Workload Rating

AllFrame AI technology improves ATA streaming to reduce frame loss and enhance video playback across up to 64 single-stream HD cameras. A 550TB per year workload rating and 512MB cache support continuous write-heavy operation in 24/7 deployments.

Suitability and Limits

This drive suits installers and integrators deploying large-scale camera systems or AI analytics appliances that demand sustained sequential writes. It is not intended for buyers who need low-latency random access for operating systems, databases or general-purpose desktop storage.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $784.99
Pricier than about 90% of the 4,938 comparable items (median $107.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How often will the 512 MB cache or the SATA interface need servicing or replacement?

The 512 MB cache and SATA interface are solid-state components with no moving parts, so they do not require scheduled maintenance or replacement during the drive's service life.

What workload limit appears first during continuous 24/7 recording?

The annual workload rating of 550 TB per year is the primary limit; sustained writes beyond that rate can reduce reliability before the 2.5 million hour MTBF target is reached.

How much heat and power does the 3.5 inch drive produce when running all day?

The 3.5 inch form factor draws typical SATA power levels and dissipates heat through the chassis; Western Digital Device Analytics lets compatible systems monitor temperature and power parameters in real time.

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