WD Purple Pro WD121PURP 12TB 3.5" Surveillance Hard Drive - 20 Pack

Western DigitalSKU: WD121PURP-20PK
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Description

 

Elevate your smart video surveillance infrastructure with the WD Purple Pro WD121PURP 12TB Hard Drive. Built for next-gen AI-enabled recorders and analytics systems, this 3.5" internal SATA drive features industry-leading AllFrame™ AI technology, helping reduce frame loss while supporting up to 32 AI streams per drive. Designed with 7200rpm speed, 256MB cache, and a 550TB/year workload rating, it delivers robust performance and high endurance—ideal for servers, storage systems, and advanced video recording environments. Tarnish-resistant and HelioSeal™-enhanced for reliability in multi-bay enclosures, this 20-pack is optimized for scalable, 24/7 operation in mission-critical smart video systems.

Specification Details
Brand WD (Western Digital)
Series Purple Pro
Model WD121PURP
Packaged Quantity 20
Storage Capacity 12 TB
Recording Technology Conventional Magnetic Recording (CMR)
Spindle Speed 7200 rpm
Cache Buffer 256 MB
Endurance (TBW) 550 TB
Interface SATA
Interface Standard SATA/600
Form Factor 3.5-inch
Drive Type Internal
Device Support Server, Video Surveillance, Storage, Recorder
Technology AllFrame™ AI, HelioSeal™, Tarnish Resistant
MTBF Up to 2.5 million hours
Environmental Compliance RoHS
Origin Thailand
Product Condition New and Factory Fresh
Shipping Weight 31 lbs
Dimensions (H x W x L) 1" x 4" x 5.8"
Weight (Each Drive) 1.46 lbs

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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