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  WD Blue 4TB Desktop Hard Disk Drive – 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch – WD40EZAX

  $Quote100 pcs(MOQ) Minimum Order Quantity

  **WD Blue 4TB Desktop Hard Disk Drive (WD40EZAX)**
  A high-capacity 3.5-inch HDD designed for everyday computing, offering 4TB of storage with a 5400 RPM spindle speed and 256MB cache for smooth multitasking and rapid data access. Features a SATA 6Gb/s interface for modern system compatibility and efficient performance. Optimized for reliability and low power consumption, it balances speed, durability, and quiet operation, making it ideal for desktop storage, backups, and media libraries. WD??s proven engineering ensures long-term data integrity, while the large cache enhances responsiveness for frequent file transfers. A cost-effective solution for users seeking dependable, high-volume storage without compromising on energy efficiency or noise reduction.

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  Western Digital 12TB WD Purple Pro Surveillance Internal Hard Drive HDD – SATA 6 Gb/s, 512 MB Cache, 3.5″ – WD122PURP

  $Quote100 pcs(MOQ) Minimum Order Quantity

  The Western Digital 12TB WD Purple Pro Surveillance Internal Hard Drive (WD122PURP) is engineered for advanced surveillance systems, offering high-capacity storage, reliability, and performance. Designed for 24/7 operation in AI-enabled NVRs, video analytics servers, and deep-learning systems, it features a massive 12TB capacity, SATA 6 Gb/s interface, and a 512MB cache for fast data access. Built with AllFrame AI technology, it supports up to 64 HD cameras and 32 AI streams, ensuring smooth video capture and reduced frame loss. Its enterprise-class durability and workload rating of up to 550TB/year make it ideal for demanding, high-write environments.

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  WD Ultrastar DC HC310 4TB SAS 3.5″ 256MB HUS726T4TAL5204 HDD Hard Disk Drive

  $Quote100 pcs(MOQ) Minimum Order Quantity

  **WD Ultrastar DC HC310 4TB SAS 3.5?? 256MB HDD (HUS726T4TAL5204)**
  Enterprise-grade 3.5″ SAS hard drive optimized for high-performance, mission-critical workloads. Features 4TB capacity, 12Gb/s SAS interface, 256MB cache, and 7200 RPM speed for rapid data access. Engineered for 24/7 operation with a 2.5M-hour MTBF rating, it ensures reliability in demanding environments like data centers, cloud storage, and RAID arrays. Includes rotational vibration protection for stability in multi-drive systems. Outperforms SATA with full-duplex throughput, advanced error correction, and dual-port failover support. Ideal for enterprises prioritizing speed, durability, and scalability in storage solutions.

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  WD Purple Pro WD121PURP 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5″ Internal Hard Drive

  $Quote100 pcs(MOQ) Minimum Order Quantity

  **WD Purple Pro WD121PURP 12TB**
  A high-performance 3.5?? internal HDD engineered for AI-driven surveillance systems, offering 12TB capacity, 7200 RPM speed, and 256MB cache for seamless handling of 24/7 workloads. Optimized for multi-camera setups (up to 64 AI streams), it ensures smooth 4K+ video recording with reduced frame loss via AllFrame AI+ technology. Features SATA 6.0Gb/s compatibility, enhanced vibration resistance, and advanced error recovery for reliability in high-intensity environments. Built for deep-learning analytics and scalable storage, it delivers enterprise-grade durability (600TB/year workload) and 5-year limited warranty. Ideal for demanding security applications requiring high throughput and uninterrupted operation.

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