Seagate Enterprise ST18000NM000J internal hard drive 18 TB 7200 RPM 256 MB 3.5" Serial ATA III

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WD121KFBX

ST16000VN001

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Laying the foundation for a worry-free data center, HGST delivers capacity to conquer the data explosion – Ultrastar® He12 HDD. Designed to handle workloads up to 550TB per year, the Ultrastar He12 HDD is the industry’s first 12TB drive and uses PMR technology to make it drop-in ready for any enterprise-capacity application or environment. The stable internal environment created by fourth-generation HelioSeal® technology enables a new 8-disk design, increasing the capacity by 20% when compared to the 7-disk design of the prior generation. This highest capacity helium drive offers the lowest power profile in the industry to help data center architects meet eco-environmental goals and requirements. Targeted at 2.5M hours MTBF, the Ultrastar He12 HDD provides the highest reliability rating available of all HDDs on the market today by building on the successful design of it’s 10TB, 8TB and 6TB predecessors. Trust HGST and the Ultrastar He12 HDD to deliver more capacity, more efficiency, more reliability and more value to your data center.

NAS for Big Business

Add value to your business by enabling your employees to quickly and reliably sync their files and back up folders or share work with clients.

NASware 3.0 Technology

Seamless integration, robust data protection and optimal performance for larger NAS systems that demand more.

Built for NAS Compatibility

WD Red Pro hard drives also have NASware technology and are purpose-built to balance performance and reliability in larger NAS and RAID environments.

The Best Comes From Within

Seagate has dominated the data storage industry for 40 years.

We understand your unique data storage challenges, and crafted the IronWolf® and IronWolf Pro 14 TB NAS hard drives to help you achieve your goals.

Be Tough. Be Ready

For everything NAS, there’s IronWolf and IronWolf Pro — always on, always working.

Built for multi-user environments and high workload rates, these NAS hard drives are enhanced with AgileArray technology for optimal reliability and system scalability.

Drive Health and Data Recovery

IronWolf Health Management (IHM) means better drive health. When IronWolf or IronWolf Pro hard drives are integrated into compatible network attached storage (NAS) systems, the overall system reliability increases because the NAS system is constantly monitored and users are alerted if needed.

For further protection, a Rescue Recovery Data Plan is included for 2 years when you purchase and register an IronWolf Pro drive. You’ll have access to a global team of world-class data recovery experts in case of unexpected data loss.

Built for Work. Built for Performance

Multiple users can confidently upload and download data on a NAS system populated with IronWolf hard drives.

All IronWolf hard drives are equipped with RV sensors to maintain performance in multi-bay NAS enclosures.

Support Your Business

A small business needs data that can thrive.

IronWolf NAS hard drives can handle the vibrations and high workload rates of a high data network within a multi-RAID environment.

Be Creative. Keep Growing

IronWolf and IronWolf Pro help keep you on schedule with 24×7 remote access, backup, and file sharing.

So keep doing what you do best. These drives will keep pace with your growing data storage requirements.

Ultrastar DC HC500 Series

High Capacity for Massive Data and Lower Total Cost of Ownership

Driving Up Capacity and Driving Down TCO for Cloud and Hyperscale Data Centers

The breadth and depth of Big Data is driving the universal need for higher capacities across a broad spectrum of applications and workloads. Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard disk drives (HDDs). The DC HC500 series is designed for public and private cloud environments where storage density and cost-efficient infrastructure is critical.

The 18TB/16TB Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industry’s first Triple Stage Actuator. These technologies, integrated with HelioSeal on a 9-disk platform, deliver the highest areal density and unmatched Total Cost of Ownership for customer and market needs.

Solves TCO Challenges
- High Capacity
Up to 18TB HDDs, drop-in ready for Big Data workloads
- Low Power
Up to 61% lower idle W/TB than 10TB Ultrastar air-filled drives
- More Reliable
25% higher MTBF rating than air-filled HDDs

Continuous Innovation for Highest Capacities and Lower TCO

The Ultrastar DC HC550 18TB CMR HDD and Ultrastar DC HC650 20TB SMR HDD are delivering industry leading capacity for the data center through a combination of new and proven technologies.

Western Digital is the first to deliver Energy-Assisted Magnetic Recording (EAMR) technology and a Triple Stage Actuator (TSA). These new technologies combined with further mechanical innovations and HelioSeal technology provide the industry’s highest capacities to enable data at scale with optimized TCO for data center architectures, while maintaining workload reliability and performance.

Ultrastar DC HC500 Series

High Capacity for Massive Data and Lower Total Cost of Ownership

Driving Up Capacity and Driving Down TCO for Cloud and Hyperscale Data Centers

The breadth and depth of Big Data is driving the universal need for higher capacities across a broad spectrum of applications and workloads. Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard disk drives (HDDs). The DC HC500 series is designed for public and private cloud environments where storage density and cost-efficient infrastructure is critical.

The 18TB/16TB Ultrastar DC HC550 HDDs are the first commercial implementation of Energy-Assisted Magnetic Recording technology and utilize the industry’s first Triple Stage Actuator. These technologies, integrated with HelioSeal on a 9-disk platform, deliver the highest areal density and unmatched Total Cost of Ownership for customer and market needs.

Solves TCO Challenges
- High Capacity
Up to 18TB HDDs, drop-in ready for Big Data workloads
- Low Power
Up to 61% lower idle W/TB than 10TB Ultrastar air-filled drives
- More Reliable
25% higher MTBF rating than air-filled HDDs

Continuous Innovation for Highest Capacities and Lower TCO

The Ultrastar DC HC550 18TB CMR HDD and Ultrastar DC HC650 20TB SMR HDD are delivering industry leading capacity for the data center through a combination of new and proven technologies.

Western Digital is the first to deliver Energy-Assisted Magnetic Recording (EAMR) technology and a Triple Stage Actuator (TSA). These new technologies combined with further mechanical innovations and HelioSeal technology provide the industry’s highest capacities to enable data at scale with optimized TCO for data center architectures, while maintaining workload reliability and performance.

12TB, SATA, 512e, SE

12TB, RED Pro 256MB, SATA 6Gb/s, 3.5-inch, 7200RPM

16TB, SATA, 3.5", 7200rpm, Cache 256MB

18 TB, SATA 6Gb/s, 512e, Base(SE)

16 TB, SATA 6Gb/s, 512e, Base(SE)

WESTERN DIGITAL

WESTERN DIGITAL

SEAGATE

WESTERN DIGITAL

WESTERN DIGITAL