Western Digital DC 22TB SAS 12GB/s 7.2K RPM HDD WUH722222AL5200.
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Product Overview
General Specifications
- Manufacturer: Western Digital
- Model Number: WUH722222AL5200
- Product Line: Ultrastar
- Series: Ultrastar DC HC570
- Product Name: Ultrastar DC HC570 22TB Enterprise Hard Drive
- Interface Type: SAS-12GBPS
- Type: Hard Disk Drive
Application Scenarios
Ideal Environments for SAS-12GBPS HDDs
- Designed for cloud and hyperscale storage solutions
- Perfectly fits Massive Scale-Out (MSO) and high-density data center applications
- Well-matched for distributed file systems
- Optimized for bulk storage via object storage technologies such as Ceph™ and OpenStack® Swift
- Excellent choice for primary and secondary storage in Apache Hadoop® for Big Data Analytics
Key Features
Storage and Durability
- Storage Capacity: 22 TB
- Form Factor: Internal, 3.5 inches
- MTBF: 2.5 million hours
Performance Metrics
- Interface Transfer Rate: 1200 Mbps
- Sustained Transfer Rates:
- Read: 291 Mbps
- Write: 277 Mbps
- Random Read 4KB QD: 210 IOPS
- Random Write 4KB QD: 565 IOPS
- Average Latency: 4.16 ms
- Buffer Size: 512 MB
- Rotational Speed: 7200 RPM
Interface: SAS 12GB/s
Enhanced Data Transfer Speed
The WD Ultrastar DC HC570 22TB HDD is equipped with a SAS (Serial Attached SCSI) 12GB/s interface, which enables high-speed data transfer between the hard drive and the host system. This interface provides faster data transfer rates compared to traditional SATA interfaces.
SAS 12GB/s interface allows for a maximum data transfer rate of 1200MB/s, which is twice the speed of its predecessor, SAS 6Gb/s. This enhanced speed is particularly beneficial for users who frequently handle large files or need to perform data-intensive tasks. Whether you are transferring large video files, running multiple virtual machines, or performing complex calculations, the SAS 12GB/s interface ensures that your data is transferred quickly and efficiently.
Improved Scalability and Performance
The SAS 12GB/s interface offers improved scalability and performance, making it an ideal choice for enterprise-level storage solutions. It supports the connection of multiple hard drives in a daisy-chain configuration, allowing for easy expansion of storage capacity without sacrificing performance.
With the ability to connect multiple drives in parallel, users can create high-performance storage arrays that can handle demanding workloads. This scalability is particularly valuable for businesses that require large amounts of storage space for data-intensive applications such as database servers, video surveillance systems, or big data analytics.
Compatibility and Versatility
The SAS 12GB/s interface is designed to be backward compatible with previous generations of SAS and SATA interfaces. This means that the WD Ultrastar DC HC570 22TB HDD can be easily integrated into existing storage infrastructures without the need for additional hardware upgrades.
Furthermore, the SAS interface provides greater compatibility with a wide range of operating systems and server platforms. Whether you are using Windows, Linux, or other popular operating systems, the WD Ultrastar DC HC570 22TB HDD with SAS 12GB/s interface ensures seamless compatibility and reliable performance.
Format: 512e
Enhanced Storage Efficiency
The WD Ultrastar DC HC570 22TB HDD utilizes the 512e (512 bytes per sector, emulated) format, which offers enhanced storage efficiency compared to the traditional 4Kn (4 kilobytes per sector, native) format.
The 512e format allows for more efficient use of storage capacity by reducing the overhead associated with storing small files. With the emulated 512-byte sectors, the hard drive can store more data in a given space, resulting in higher storage density and improved overall drive capacity.
Compatibility with Legacy Systems
The 512e format ensures compatibility with legacy systems that may not support the newer 4Kn format. This is particularly important for users who need to replace or upgrade their existing hard drives while maintaining compatibility with older systems.
By supporting both the 512e and 4Kn formats, the WD Ultrastar DC HC570 22TB HDD offers flexibility and ensures seamless integration into a wide range of systems and applications. Whether you are upgrading an older server or building a new storage solution, this compatibility ensures that your data can be accessed and stored efficiently.
Data Integrity and Error Correction
The 512e format includes advanced error correction capabilities that ensure data integrity and minimize the risk of data loss or corruption. The hard drive's firmware is designed to handle potential errors during data read and write operations, ensuring that your data remains intact and reliable.
This level of error correction is especially important for enterprise users who handle critical data and cannot afford any data loss or corruption. By utilizing the 512e format, the WD Ultrastar DC HC570 22TB HDD provides an extra layer of protection and peace of mind for users.
Optimized Performance
The 512e format offers optimized performance for a wide range of applications and workloads. Whether you are running a database server, hosting virtual machines, or performing data analytics, the WD Ultrastar DC HC570 22TB HDD ensures consistent and reliable performance.
The emulated 512-byte sectors allow for efficient data access and retrieval, minimizing latency and improving overall system responsiveness. This optimized performance is crucial for users who require fast and reliable storage solutions to meet their demanding workload requirements.
Future-Proof Storage Solution
By choosing a hard drive with the 512e format, you are investing in a future-proof storage solution. As the industry continues to evolve, the 512e format is expected to remain compatible with newer systems and technologies.
With its enhanced storage efficiency, compatibility with legacy systems, data integrity features, and optimized performance, the WD Ultrastar DC HC570 22TB HDD with 512e format provides a reliable and future-proof solution for your storage needs.