The Right Drive for The Right Job WD violet™ drives have been engineered specifically for surveillance, so they’re able to withstand the elevated heat fluctuations & equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. A disruption to a drive could result in a failure that impacts multiple users, your security archive, or even the entire system. With WD violet™, you get reliable, surveillance-class storage that’s tested for compatibility in a wide-range of security systems. Industry-Leading Storage. Surveillance You Can Trust WD is a worldwide leader in the hard drive industry. With WD violet™ surveillance storage, you have a drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you’re protecting loved ones or monitoring your business, WD violet™ offers performance you can trust. Trust Your View with All Frame 4K™ Technology Missed frames & lost footage could be a serious problem when video surveillance needs to be retrieved. All WD violet™ drives are equipped with All Frame 4k™ technology, which improves ATA streaming to help reduce frame loss, improve overall video playback, & increase the number of hard drive bays supported within a NVR. Help make your surveillance solution future-ready knowing that WD violet™ drives are ready for ultra-high definition cameras. Enhanced Workload Rating With a workload rating* of 180 TB/yr
- three times that of desktop drives
- WD violet is designed to handle the unique demands of modern video surveillance DVR & NVR systems. Expand Your View to 64 Each WD violet™ drive is optimized to support up to 64 cameras. With so many options, you have the flexibility to upgrade or expand your security system in the future. Designed for Todays & Tomorrows Surveillance Solutions Engineered for 24/7 operation in all sizes of mainstream surveillance DVRs & NVRs. With support for more than eight bays** & tarnish resistant components**, WD violet drives deliver reliable operation in larger scale surveillance systems in harsher environments. Field-Proven High Capacity Now on its 4th generation & with more than 12 million drives shipped (as of Dec 2016), field-proven Helio Seal™ Technology delivers trusted high-capacity WD violet storage (8TB & 10TB) for the massive storage needs of 4K surveillance video Wide Compatibility. Seamless Integration WD violet™ hard drives are built with compatibility in mind, so you can quickly & seamlessly add capacity to your surveillance system. With a wide range of industry-leading enclosures & chipsets supported, you’re sure to find the DVR or NVR configuration that’s right for you. Three Year Limited-Warranty As an industry-leading hard drive manufacturer, WD stands behind their surveillance storage solutions with a 3-year limited warranty included with every WD violet™ drive. Features • 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. • TLER & ATA streaming support. • Support for more than eight bays**. • Tarnish-resistant components**. * 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 & software components & configurations. ** For capacities 4TB & higher.

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Desktop drives vs. surveillance-class storage WD violet surveillance-class storage has been tested to be compatible in a wide-range of security systems. These drives are designed to replace standard desktop drives that were not designed for the harsh 24/7 always-on, high-definition surveillance environment. Desktop drives are built to run for only short intervals & are not engineered to withstand high-temperature fluctuations & equipment vibrations found in a typical surveillance application. Surveillance storage for peace-of-mind Whether you're protecting your personal assets & loved ones or monitoring the business you worked hard to build, you can rely on surveillance-class storage built by one of the largest hard drive manufacturers in the world. WD violet Surveillance Hard Drives are designed for high temperature, always-on, surveillance security systems to ensure reliability & quality video play back when you need it most. Experience the security of knowing you're using a surveillance-class drive designed by a leader in the hard drive industry. Improve performance with All Frame WD violet surveillance-class hard drives are equipped with All Frame technology which works with ATA streaming to reduce frame loss, improve playback & increases the number of drive bays supported. All Frame reduces video interruptions that commonly occur when desktop hard drives are incorrectly used as storage in security systems. Missed frames & lost footage is a serious problem when an event occurs & surveillance footage needs to be retrieved. WD violet with All Frame provides the confidence you should expect when it's time to play back & review critical surveillance footage. Engineered for compatibility WD violet surveillance hard drives are built for compatibility with industry-leading chassis & chip set manufacturers for seamless integration into your new or existing video surveillance system. Optimized performance for up to 32 HD cameras WD violet hard drives are optimized to support up to 32 high-definition surveillance cameras, giving you the flexibility to upgrade & expand your security system in the future. Lower power consumption Low power consumption is crucial in high-temperature always-on surveillance environments. With exclusive Intelli Seek™ technology, WD violet drives calculate the optimum seek speeds which lowers power consumption, noise & vibration that can damage & cause drives to wear out more quickly. When you invest in a premium surveillance-class drive you worry less while enjoying the benefits over a longer period of time. ...

Uncompromising Storage Built for 24/7, always-on, high-definition security systems. With a supported workload rate of up to 180 TB/yr & support for up to 64 cameras, WD violet drives are optimized for surveillance systems. WD violet 10TB & 12TB drives are designed to support Deep Learning analytics in AI capable NVRs, & feature an enhanced workload rating of up to 360TB/yr, & up to 16 AI channels for analytics within the system. The Right Drive for the Job WD violet drives have been engineered specifically for the extreme demands of high temperature, 24/7 surveillance systems. Performance You Can Trust From a worldwide leader in the storage industry, WD violet is engineered for quality video playback when you need it most. Expand Your View to 64 WD violet drives are optimized to support up to 64 cameras, giving you flexibility to upgrade or expand your security system. SEAMLESS INTEGRATION With a wide range of industry-leading enclosures & chipsets supported, youre sure to find the configuration & compatibility thats right for your NVR. LESS IS MORE Low power consumption is a must in a high-temperature, always-on surveillance environment. Intelli Seek technology helps reduce damaging ambient noise & vibrations. Designed for Surveillance The WD violet drive is designed for both DVR & NVR security systems, & is compatible with many of the the leading surveillance & security manufacturers. We can help you find the perfect storage for your system. 3-Year Limited Warranty Every WD violet drive comes with a 3-year limited warranty, so you can be confident of your surveillance storage.

Features: Engineered specifically for surveillance security systems. Three times the workload rating of our desktop hard drives (capacities up to 8TB). 10TB & 12TB capacities feature workload rating up to 360TB/yr. 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. Technical Specifications Capacity 1TB
- 12TB Interface SATA 6 Gb/s Form Factor 3.5 Inch Disk Speed 7200 rpm


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Durable capacity storage for high-availability deployments WD Re datacenter hard drives offer up to 4 TB capacities & are available with SAS or SATA interface. With the highest error tolerance & MTBF of any capacity-optimized drive, WD Re delivers the durability & 24x 7x 365 reliability required in tightly packed vibration prone multi-drive systems. The combination of high-capacity, peak performance & robust design make WD Re drives ideal for heavy workload environments, cloud storage, RAID arrays, external storage arrays, data warehousing & mining applications. Product Benefits Industry’s highest capacity nearline drive
- Massive capacities up to 4 TB suit even the most demanding datacentre or cloud storage needs. Designed for heavy application Workloads - Designed to handle up to 550 TB per year in any heavy application datacenter with the highest workload capabilities of any WD 3.5 hard drive. Up to 6 Gb/s transfer rates & sustained sequential data rates of up to 182 MB/s, deliver performance & reliability to any datacentre environment. Designed for quality & reliability With up to 1.4 million hour MTBF, this high performance drive delivers durability & the highest level of reliability for 24x 7x 365 operation in the most demanding storage environments. Vibration Protection
- Enhanced RAFF Technology

Includes:: sophisticated electronics to monitor the drive & correct both linear & rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives. Dual actuator technology
- A head positioning system with two actuators that improves positional accuracy over the data track (s). The primary actuator provides coarse displacement using conventional electromagnetic actuator principles. The secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy. (2 TB & above) Environmentally responsible
- In addition to being Ro HS compliant, these drives are built with halogen reduced components. Self Encrypting Drive (SED) option
- Optional secure model for encrypting drives – Utilizing an AES 256 bit encryption engine for Crypto erase capability, WD supports both industry standard commands of the Sanitize Feature Set & also the Security Feature Set which utilizes the Secure Erase Unit (SEU) enhanced mode bit.* Stable Trac
- The motor shaft is secured at both ends to reduce system-induced vibration & stabilize platters for accurate tracking during read & write operations. (2 TB & above) Multi-axis shock sensor
- Automatically detects the subtlest shock events & compensates to protect the data. * SED drives may require TCG-compliant host or controller support. SED drives may not be available in all countries. RAID-specific, time-limited error recovery (TLER) - Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. No Touch ramp load technology
- The recording head never touches the disk media ensuring significantly less wear to the recording head & media as well as better drive protection in transit. Thermal extended burn-in test - Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation. Dynamic fly height technology - Each read-write head’s fly height is adjusted in real time for optimum reliability. Dual processor
- Twice the processing power to maximize performance • Interface SATA 6 Gb/s • Formatted capacity 250GB • User sectors per drive 490, 350, 672 • Native command queuing Yes • Form factor 3.5-inch • Ro HS compliant yes • RPM – 7200 • Cache – 64MB • Temperature (°C) – Operating 5 to 55
- Non-operating -40 to 70











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Durable capacity storage for high-availability deployments WD Re datacenter hard drives offer up to 4 TB capacities & are available with SAS or SATA interface. With the highest error tolerance & MTBF of any capacity-optimized drive, WD Re delivers the durability & 24x 7x 365 reliability required in tightly packed vibration prone multi-drive systems. The combination of high-capacity, peak performance & robust design make WD Re drives ideal for heavy workload environments, cloud storage, RAID arrays, external storage arrays, data warehousing & mining applications. Product Benefits Industry’s highest capacity nearline drive
- Massive capacities up to 4 TB suit even the most demanding datacentre or cloud storage needs. Designed for heavy application Workloads - Designed to handle up to 550 TB per year in any heavy application datacenter with the highest workload capabilities of any WD 3.5 hard drive. Up to 6 Gb/s transfer rates & sustained sequential data rates of up to 182 MB/s, deliver performance & reliability to any datacentre environment. Designed for quality & reliability With up to 1.4 million hour MTBF, this high performance drive delivers durability & the highest level of reliability for 24x 7x 365 operation in the most demanding storage environments. Vibration Protection
- Enhanced RAFF Technology

Includes:: sophisticated electronics to monitor the drive & correct both linear & rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives. Dual actuator technology
- A head positioning system with two actuators that improves positional accuracy over the data track (s). The primary actuator provides coarse displacement using conventional electromagnetic actuator principles. The secondary actuator uses piezoelectric motion to fine tune the head positioning to a higher degree of accuracy. (2 TB & above) Environmentally responsible
- In addition to being Ro HS compliant, these drives are built with halogen reduced components. Self Encrypting Drive (SED) option
- Optional secure model for encrypting drives – Utilizing an AES 256 bit encryption engine for Crypto erase capability, WD supports both industry standard commands of the Sanitize Feature Set & also the Security Feature Set which utilizes the Secure Erase Unit (SEU) enhanced mode bit.* Stable Trac
- The motor shaft is secured at both ends to reduce system-induced vibration & stabilize platters for accurate tracking during read & write operations. (2 TB & above) Multi-axis shock sensor
- Automatically detects the subtlest shock events & compensates to protect the data. * SED drives may require TCG-compliant host or controller support. SED drives may not be available in all countries. RAID-specific, time-limited error recovery (TLER) - Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. No Touch ramp load technology
- The recording head never touches the disk media ensuring significantly less wear to the recording head & media as well as better drive protection in transit. Thermal extended burn-in test - Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation. Dynamic fly height technology - Each read-write head’s fly height is adjusted in real time for optimum reliability. Dual processor
- Twice the processing power to maximize performance • Interface SATA 6 Gb/s • Formatted capacity 500 GB • User sectors per drive 976, 773, 168 • Native command queuing Yes • Form factor 3.5-inch • Ro HS compliant yes










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For up to 24 bay medium to large-scale NAS environments, the WD Red Pro drive is engineered to handle increased business workloads & carries a 5-year limited warranty. NAS for Big Business Add value to your business by enabling your employees to quickly & reliably sync their files & back up folders or share work with clients. NASware 3.0 Technology Seamless integration, robust data protection & optimal performance for larger NAS systems that demand more. Built for NAS Compatibility WD Red Pro hard drives also have NASware technology & are purpose-built to balance performance & reliability in larger NAS & RAID environments. LARGER NAS BAY SHOCK PROTECTION A multi-axis shock sensor automatically detects subtle shock events that may occur in larger NAS environments & when combined with dynamic fly height technology, helps to adjust each read-write function to compensate for increased vibrations & protect data. DESIGNED FOR NAS Desktop drives arent purpose-built for NAS. But WD Red Pro drives with NASware 3.0 are. Our exclusive technology takes the guesswork out of selecting a drive. We can help you find the perfect storage for your NAS system. Compatible with up to 24 bay medium to large-scale NAS environments. TECHNICAL SPECIFICATIONS Capacity: 2TB, 3TB, 4TB, 5TB, 6TB, 8TB, 10TB Interface: SATA 6 Gb/s Form Factor: 3.5 Inch RPM Class: 7200 Limited Warranty: 5 years ...

WORK HARD. PLAY HARD. STORE HARDER. WD Black hard drives are designed for desktop PC & power users who demand performance, with a variety of upgrade options available. For Creatives & Enthusiasts: WD Black drives deliver inspiring performance for storing large multimedia files of photos, videos & applications. For Gamers: Tuned for performance & perfect for gaming. WD Black drives offer large capacities to store your expanding gaming library. Longer Warranty: Every WD Black drive is backed by an industry leading 5-year limited warranty. FOR LOADING GAMES OR LARGE FILES The WD Black drive features a dual-core processor that offers twice the processing capability as a standard single-core processor to maximize drive performance. HIGH-SPEED DATA TRANSFER With 128MB of cache on 5TB & 6TB models, WDs Dynamic Cache Technology improves performance in real time to allocate & optimize cache between reads & writes. INCREASED RELIABILITY Helps reduce system-induced vibrations from other components, optimizing performance & reliability. Capacity for Basic Storage: With up to 1TB, this storage size is intended for basic users who don’t plan to expand their digital library or digital archive. Get basic storage for photos, videos, games, music, files, etc. Capacity for Average Storage: With 2TB to 4TB, this storage size is best for users who take lots of photos & videos with their smartphone & want to confidently back up or have a copy of their data. Get reliability & capacity for your current & near-future needs. Capacity for Enthusiasts & Prosumers: With 5TB & up, this storage size is best for anyone considering the future of their system. Whether you’re a gamer, shoot professionally, or have a growing number of files & projects, get the highest capacity plus a long 5-year limited warranty. Highest Capacity for Gamers: As game sizes grow, so does the need for capacity. WD Black hard drives deliver the best performance & reliability for gaming as well as a longer 5-year limited warranty to match your other performance PC components. EASY BACKUP & UPGRADE Acronis True Image WD Edition software, available as a free download, can clone drives & backup your operating system, applications, settings & all of your data. TECHNICAL SPECIFICATIONS Capacity: 4TB Interface: SATA 6 Gb/s Form Factor: 3.5 Inch RPM Class: 7200 Limited Warranty: 5 year ...

Drive to endure. Ultrastar hard drives feature up to ten times the workload rating of desktop drives & employ advanced technologies for enterprise class reliability, power efficiency & performance. Designed from the ground up to be an ultra-robust storage device, Ultrastar drives are the perfect choice for your business. Best-fit Applications Enterprise servers & storage systems Business-critical applications needing reliable, robust high-capacity storage Surveillance analytics & industrial applications High Workload Rating Delivering dependable performance to any storage environment, Ultrastar hard drives are designed with a workload rating up to 550TB per year, among the highest of any 3.5-inch hard drive. Helio Seal Technology Featured in over 20 million shipped Western Digital hard drives, Helio Seal technology enables the highest capacities & less turbulence on large storage arrays. & now on its 4th generation design, Helio Seal technology is field-tested & proven to deliver high capacity, reliability, & power efficiency you can trust. Enterprise-class Storage to Rely On With up to 2.5 million hours MTBF rating, Ultrastar hard drives deliver reliability & durability, are built for yearly operation (24x 7x 365) within the most demanding storage environments & are backed with a 5-year limited warranty. Compatibility Testing All Ultrastar hard drives are extensively tested across a variety of popular OEM storage systems, SATA controllers, & host bus adapters to ensure ease of integration for a plug & play solution. Vibration Protection Enhanced Rotational Vibration Safeguard (RVS) technology uses sophisticated electronics to monitor the drive & correct linear & rotational vibrations in real time for enhanced performance versus traditional desktop drives in high vibration environments. Dual-stage Actuator Technology Ultrastar drives feature a dual-stage actuator head positioning system for a high degree of accuracy. The primary stage provides course displacement while the secondary stage uses piezoelectric motion to fine tune the head positioning to a higher degree of precision. Dynamic Fly-height Technology Each read-write head’s fly height is adjusted in real time to ensure consistent performance for reduced errors & optimized reliability. 7200 RPM Class This 7200 RPM-class hard drive delivers the fastest performance with the highest workload rating of any high-capacity drive from Western Digital. Ensure you have the most capable hard drive regardless of the application with Ultrastar hard drives. ...

Drive to endure. Ultrastar hard drives feature up to ten times the workload rating of desktop drives & employ advanced technologies for enterprise class reliability, power efficiency & performance. Designed from the ground up to be an ultra-robust storage device, Ultrastar drives are the perfect choice for your business. Best-fit Applications Enterprise servers & storage systems Business-critical applications needing reliable, robust high-capacity storage Surveillance analytics & industrial applications High Workload Rating Delivering dependable performance to any storage environment, Ultrastar hard drives are designed with a workload rating up to 550TB per year, among the highest of any 3.5-inch hard drive. Helio Seal Technology Featured in over 20 million shipped Western Digital hard drives, Helio Seal technology enables the highest capacities & less turbulence on large storage arrays. & now on its 4th generation design, Helio Seal technology is field-tested & proven to deliver high capacity, reliability, & power efficiency you can trust. Enterprise-class Storage to Rely On With up to 2.5 million hours MTBF rating, Ultrastar hard drives deliver reliability & durability, are built for yearly operation (24x 7x 365) within the most demanding storage environments & are backed with a 5-year limited warranty. Compatibility Testing All Ultrastar hard drives are extensively tested across a variety of popular OEM storage systems, SATA controllers, & host bus adapters to ensure ease of integration for a plug & play solution. Vibration Protection Enhanced Rotational Vibration Safeguard (RVS) technology uses sophisticated electronics to monitor the drive & correct linear & rotational vibrations in real time for enhanced performance versus traditional desktop drives in high vibration environments. Dual-stage Actuator Technology Ultrastar drives feature a dual-stage actuator head positioning system for a high degree of accuracy. The primary stage provides course displacement while the secondary stage uses piezoelectric motion to fine tune the head positioning to a higher degree of precision. Dynamic Fly-height Technology Each read-write head’s fly height is adjusted in real time to ensure consistent performance for reduced errors & optimized reliability. 7200 RPM Class This 7200 RPM-class hard drive delivers the fastest performance with the highest workload rating of any high-capacity drive from Western Digital. Ensure you have the most capable hard drive regardless of the application with Ultrastar hard drives. ...

Drive to endure. Ultrastar hard drives feature up to ten times the workload rating of desktop drives & employ advanced technologies for enterprise class reliability, power efficiency & performance. Designed from the ground up to be an ultra-robust storage device, Ultrastar drives are the perfect choice for your business. Best-fit Applications Enterprise servers & storage systems Business-critical applications needing reliable, robust high-capacity storage Surveillance analytics & industrial applications High Workload Rating Delivering dependable performance to any storage environment, Ultrastar hard drives are designed with a workload rating up to 550TB per year, among the highest of any 3.5-inch hard drive. Helio Seal Technology Featured in over 20 million shipped Western Digital hard drives, Helio Seal technology enables the highest capacities & less turbulence on large storage arrays. & now on its 4th generation design, Helio Seal technology is field-tested & proven to deliver high capacity, reliability, & power efficiency you can trust. Enterprise-class Storage to Rely On With up to 2.5 million hours MTBF rating, Ultrastar hard drives deliver reliability & durability, are built for yearly operation (24x 7x 365) within the most demanding storage environments & are backed with a 5-year limited warranty. Compatibility Testing All Ultrastar hard drives are extensively tested across a variety of popular OEM storage systems, SATA controllers, & host bus adapters to ensure ease of integration for a plug & play solution. Vibration Protection Enhanced Rotational Vibration Safeguard (RVS) technology uses sophisticated electronics to monitor the drive & correct linear & rotational vibrations in real time for enhanced performance versus traditional desktop drives in high vibration environments. Dual-stage Actuator Technology Ultrastar drives feature a dual-stage actuator head positioning system for a high degree of accuracy. The primary stage provides course displacement while the secondary stage uses piezoelectric motion to fine tune the head positioning to a higher degree of precision. Dynamic Fly-height Technology Each read-write head’s fly height is adjusted in real time to ensure consistent performance for reduced errors & optimized reliability. 7200 RPM Class This 7200 RPM-class hard drive delivers the fastest performance with the highest workload rating of any high-capacity drive from Western Digital. Ensure you have the most capable hard drive regardless of the application with Ultrastar hard drives. ...