WD 2TB Purple SATA III 3.5" Internal Surveillance HDD (Retail, 2-Pack)

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WD 2TB Purple SATA III 3.5" Internal Surveillance HDD (Retail, 2-Pack)
Key Features
  • 2TB Storage Capacity
  • 3.5" Form Factor
  • SATA III 6 Gb/s Interface
  • 64MB Cache
The WD 2TB Purple SATA III 3.5" Internal Surveillance Hard Drive in a 2-pack from B&H is designed to withstand the stresses placed on it in a 24/7, always-on, high-definition surveillance system with 16 drive bays. With support for up to 64 high-definition surveillance cameras, this 2TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, WD AllFrame technology helps improve video capturing and reduces errors, pixilation, and video interruptions that could happen in a video recorder system.
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$399.98
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WD Internal HDD Overview

The WD 2TB Purple SATA III 3.5" Internal Surveillance Hard Drive in a 2-pack from B&H is designed to withstand the stresses placed on it in a 24/7, always-on, high-definition surveillance system with 16 drive bays. With support for up to 64 high-definition surveillance cameras, this 2TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, WD AllFrame technology helps improve video capturing and reduces errors, pixilation, and video interruptions that could happen in a video recorder system.

A SATA III 6 Gb/s interface, sustained data transfer speeds of up to 180 MB/s, and a 64MB cache all help to ensure uninterrupted data transfers. Furthermore, the drive's 300,000 load/unload cycles, annualized workload rating of 180TB per year, MTBF rating of 1 million hours, and <1 in 1014 non-recoverable read errors per bit read also help to ensure a strong operational life.

Highlights
  • 2TB storage capacity
  • Designed for mainstream surveillance systems
  • WD AllFrame technology helps reduce dropped frames
  • Supports a workload rate of up to 180TB per year
  • Support for up to 8 bays
2TB Storage Capacity, Surveillance You Can Trust
Western Digital has provided surveillance-grade storage for more than a decade. With WD Purple surveillance storage, drives are engineered for high temperature, always-on surveillance systems so you can rely on quality video when you need it most. WD Purple delivers smart video storage that you can trust and are backed by a limited 3-year warranty.
Western Digital's WD AllFrame Technology
All WD Purple drives are equipped with AllFrame technology, which helps reduce video frame drops and improves video recording and playback.
Enhanced Workload Ratings
WD Purple drives feature a workload rating of up to 180TB per year, which is up to three times that of desktop drives, to handle the unique demands of mainstream video surveillance DVR and NVR systems.
Multiple Cameras, Multiple Streams
Modern recorders now support multiple video streams per camera. WD Purple drives support up to 64 single-stream HD cameras. With so many options, you have the flexibility to upgrade or expand your security applications in the future.
Designed for Reliable Operation
Engineered for reliability with an MTBF of up to 1 million hours and backed with a limited 3-year warranty, WD Purple drives feature tarnish-resistant components and support for storage systems with up to 8 drive bays. WD Purple hard drives are designed with RAID error recovery control to help reduce failures in supported video recorders.
Wide Compatibility, Seamless Integration
WD Purple hard drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of industry-leading enclosures and chipsets supported, you're sure to find the DVR or NVR configuration that's right for you.
UPC: 718037896199

WD Internal HDD Specs

Key Specs
Total Capacity
2 TB
Drive Type
SATA III / 3.5" HDD (rpm Unspecified)
Read Speed
Maximum: 180 MB/s
Write Speed
Maximum: 180 MB/s
Total Capacity
2 TB
Drive Type
SATA III / 3.5" HDD (rpm Unspecified)
Performance
Read Speed
Maximum: 180 MB/s
Write Speed
Maximum: 180 MB/s
Encryption Support
No
Mean Time Between Failures (MTBF)
1.0 Million Hours
Endurance (Total Bytes Written)
180 TB
Electrical
Power Draw
3.8 W (Active)
3.2 W (Idle)
0.3 W (Standby)
General
Operating Conditions
32 to 149°F / 0 to 65°C
Operating Shock
70 G / 2.0 ms
Storage Conditions
-40 to 158°F / -40 to 70°C
Dimensions
5.8 x 4 x 1" / 147 x 101.6 x 26.1 mm
Weight
0.99 lb / 0.45 kg
Packaging Info
Package Weight
1.235 lb
Box Dimensions (LxWxH)
7.6 x 4.7 x 2.4"

WD Internal HDD Reviews

Works seamlessly with security video

By James
Rated 5 out of 5
Date: 2026-06-30

Installed as soon as it arrived. All that I had to do is format it and initialize it and that was all. Has been working flawlessly for about a week now.

Works perfectly

By Jonathan
Rated 5 out of 5
Date: 2026-03-30

Works as expected

See any errors on this page?

What is the difference between 'retail' and 'oem'?

What is the difference between 'retail' and 'oem'?
Asked by: Clarence Frederick
The difference between the "retail" and "OEM" WD 6TB Purple SATA III 3.5" Internal Surveillance Hard Drive is that the retail version comes in a full retail box and packaging, while the OEM version is just a bare drive.
Answered by: Kenneth C
Date published: 2026-05-21
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