The WD 24TB Ultrastar DC HC580 SATA III HDDfrom WD 24TB Ultrastar DC HC580 SATA III HDDis a high performance, large capacity drive designed for cloud and hyper scale storage, massive scale-out (MSO), high-density data centers, distributed file systems, big data analytics, hybrid cloud environments, hyper converged infrastructure servers, and other demanding tasks that require 24/7 operation. This 7200 rpm drive utilizes the SATA III 6 Gb/s interface for data transfer rates of up to 298 MB/s. Moreover, as a professional-grade drive, it has an MTBF rating of 2.5 million hours, 600,000 load/unload cycles, an annualized failure rate of 0.35%, and a workload rating of up to 550TB per year.

24TB Storage Capacity    3.5" Form Factor    SATA III 6 Gb/s Interface    512MB Cache    7200 rpm    Up to 298 MB/s Sequential Write Speed    600,000 Load/Unload Cycles    2.5 Million Hours MTBF    Workload Rate of up to 550TB per Year    OptiNAND and ArmorCache Technology

• The UltraStar DC HC580 Data Center HDD uses improved OptiNAND technology to store 24TB on a 10-disk CMR drive, enabling a more efficient storage footprint
• Innovative technologies such as OptiNAND, energy-assisted magnetic recording (EAMR), triple-stage actuator (TSA), and HelioSeal enable high capacity with low power
• ArmorCache improves performance and provides enterprise power loss protection
• The Ultrastar DC HC580 is performance-optimized to handle heavy application workloads of up to 550TB per year
• This robust drive delivers dependability and reliability, with a projected MTBF of 2.5 million hours

• Cloud & hyper scale storage
• Massive scale-out (MSO), high-density data centers
• Distributed File Systems
• Primary and secondary storage for Apache Hadoop for Big Data Analytics
• Hybrid cloud environments
• Hyper converged infrastructure servers

The relentless growth of data means organizations must find ways to efficiently store more data. That's where higher areal density comes into play, with its ability to boost capacities while not increasing the storage footprint. The Ultrastar DC HC580 with OptiNAND technology is the next step in data density, allowing data centers to maximize their storage, especially in footprint- and power-constrained environments.

This 24TB drive combines several innovative technologies, including energy-assist magnetic recording (EAMR), HelioSeal, triple-stage actuator (TSA) that improves TPI capability with great control over the actuator arm, improved OptiNAND Technology and ArmorCache. This innovation is incorporated into a 10-disk CMR drive, delivering the performance, quality, and reliability that data center customers require.

Innovative technologies, such as OptiNAND and energy-assisted magnetic recording (EAMR), triple-stage actuator (TSA), and HelioSeal enable high capacity with low power.

The Ultrastar DC HC850 is a platform with OptiNAND technology, which integrates an iNAND Universal Flash Storage (UFS) Embedded Flash Drive (EFD), with traditional spinning disk media. Western Digital's 2.4TB/disk CMR areal density is used with its 10-disk platform, delivering a 24TB capacity with a CMR recording format. More disks and high areal density work together to maximize data storage efficiency.

OptiNAND improves drive resiliency in the even of an emergency power off (EPO) by increasing the amount of non-volatile (NVM) available to flush critical metadata to the iNAND.

ArmorCache enabled by OptiNAND technology ensures that all the data in the DRAM cache is safely written to the onboard NVM device, should a sudden power loss even occur. Power to a host system may be lost without warning; operating HDD's with write cache disable (WCD) reduced the risk of data loss. With ArmorCache technology, host flush cache commands are no longer necessary to protect data, allowing for maximum performance in either WCD or write cache enabled (WCE) mode. This feature provides enterprise power loss protection of data in WCE while increasing performance in WCD mode.

The Ultrastar DC HC580 meets modern data center reliability requirements with 2.5M MTBF (projected) and a limited 5-year warranty. It is performance-optimized for heavy application workloads and is designed to handle workloads up to 550TB per year.

Related Questions and Answers

Q: 1. do both the 16tb and the 18tb use the same case? the photo for the 18tb shows center holes, but the 16 only shows top and bottom

A: While not specified, they look to share the same case.

Q: 2. the warranty isn't described here on the 18TB SAS, is this 5 years from WD as well?

A: The warranty on this WD 18TB UltraStar DC HC550 7200 rpm SAS-3 3.5" Internal HDD (OEM), would be a 5 year USA manufacturers warranty.

Q: 3. I’m a professional photographer and all of my images are stored via these large drives. My operating system is on a ssd, and when I first bring images in they are processed on my ssd drive. But one I store them, they are still accessed by my software (Lightroom and other Adobe products), and often I’m still retrieving, searching for and editing the images long after they were moved off my ssd drive. This drive will be wired directly into my mother board and PC that has 4 storage drives. What are the pros of the following two drives and cons for my situation. Which would you recommend? Thank you.

A: SSDs should be used for your applications and OS. The hard drives should be used for storing and retrieving your data files.

Q: 4. I'm thinking of getting this along with a hard drive enclosure so it can be used as an external drive. Are there any downsides to using the drive in this manner? Thanks.

A: No, this device would be fully compatible in this manner.

Q: 5. Is this drive compatible with Synology 418Play?

A: The WD 16TB UltraStar DC HC550 7200 rpm SATA III 3.5" Internal HDD BH #WE16TBSATHDD is compatible with a Synology 418Play.

Q: 6. Where are these WD HDDs made?

A: The WD 16TB UltraStar DC HC550 7200 rpm SATA III 3.5" Internal HDD (OEM), B&H # WE16TBSATHDD, is made in Thailand.

Q: 7. Is this hard drive sold in a retail box, with a full manufacturers warranty, or is it OEM?

A: The WD 18TB UltraStar DC HC550 7200 rpm SATA III 3.5" Internal HDD (OEM) is an OEM drive and comes with a USA Limited 5-Year Manufacturer Warranty.

Q: 8. Is this a dual-port SAS interface?

A: The WD 18TB UltraStar DC HC550 has a single SAS interface.

Q: 9. Video files particularly RAW video files are huge and result in the need to store terabytes of video files which need to be accessible for editing. Would this 18 TB drive be suitable for use in a Windows 10 PC or is there a problem or disadvantage to using this drive as a secondary hard drive in a PC?

A: Yes, this is a great solution.

Q: 10. Does it cover warranty if used in Singapore ?

A: No, the warranty on this WD 16TB UltraStar DC HC550 7200 rpm SATA III 3.5" Internal HDD is just in the USA.