Best Western Digital Wd40purz Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.

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Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ

Built for 24/7 surveillance

AllFrame technology for better performance

Designed to support up to 64 HD cameras

Engineered for compatibility

3-year manufacturer's limited warranty

Priced lower than 60% of Internal Hard Drives

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Western Digital

23% Off

WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ (Renewed)

This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com

Engineered specifically for surveillance security systems

Supports up to 180 TB/yr. workload rate

Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications

Prioritized write-operations for maximized surveillance performance

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Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD, CMR, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD44PURZ

Engineered for mainstream surveillance systems.

WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications

Supports up to 180 TB/yr workload rate

Capacity up to 8TB

Support for up to 16 bays

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Best Seller

Western Digital

Western Digital WD43PURZ 4TB Purple Surveillance Internal Hard Drive, 3.5-Inch, SATA 6Gb/s, 256MB Cache

Engineered for mainstream surveillance systems

WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications

Supports up to 180 TB/yr workload rate(3) | (3) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.

Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays.

Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher.

Priced lower than 60% of Internal Hard Drives

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Western Digital

WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURX [Old Version]

Engineered specifically for surveillance security systems

Reduced video frame loss

Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications

Prioritized write-operations for maximized surveillance performance

TLER & ATA streaming support.

Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary.

Ships in WD-certified box for safe transit during shipping

Priced lower than 60% of Internal Hard Drives

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Western Digital

Great Seller

100–250 sold/mo

Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ

Engineered specifically for surveillance security systems.date transfer rate:194.0 megabits_per_second.Specific uses: Business,Personal

Tuned for write-intensive, low bit-rate, high stream-count workloads typical to most surveillance applications.

AllFrame AI technology delivers additional enhancements and higher workload rate for AI-enabled recorders, systems and solutions

Supports up to 180 TB/yr workload rate** (Up to 360 TB/yr workload rate on drives that support AllFrame AI technology).

Support for more than eight bays.

Premium price: higher than 70% of Internal Hard Drives

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Western Digital

Great Seller

100–250 sold/mo

Western Digital 10TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD101PURP

Engineered with advanced capabilities needed for high-end smart video solutions

High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage

Supports up to 550 TB/yr workload rate**.

Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures

Premium price: higher than 77% of Internal Hard Drives

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Our #1 Pick Today

Top Rated

Western Digital

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ

Built for 24/7 surveillance

AllFrame technology for better performance

Designed to support up to 64 HD cameras

Engineered for compatibility

3-year manufacturer's limited warranty

Priced lower than 60% of Internal Hard Drives

Details & specs

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on Amazon.com

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7 Western Digital Wd40purz deals are available from: Amazon, starting from $174.00.

The biggest discount we found is 23% on WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ (Renewed) (WD40PURZ#CR) at Amazon.

The lowest price we found is $174.00 while the highest is $553.93. Prices for the best Western Digital Wd40purz deals average at $291.12.