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 |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
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.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
