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Description
WD 0F38785 Overview
- 1Description
- 2Highlights
- 3Applications
- 4Reimagining the HDD for Exponential Data Growth
- 520TB HDDs with OptiNAND Technology
- 6Trusted Reliability and Quality for Data at Scale
By Photo's
John-Paul Palescandolo
The 20TB Ultrastar DC HC560 7200 rpm SATA III 3.5" Internal HDD from Seagate is a high performance, large capacity drive designed for cloud and hyperscale storage, massive scale-out (MSO), high-density data centers, distributed file systems, bulk storage, big data analytics, 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 291 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.
Highlights
- 20TB capacity in a standard 3.5" format
- ePMR & CMR technology works with all capacity enterprise applications & environments
- OptiNAND for highest capacities
- Reliable, field-proven, 7th generation HelioSeal design delivers outstanding power efficiency
- HDD technologies, such as OptiNAND, EAMR, TSA, and HelioSeal
- 2.5 million hour MTBF (projected) and a limited 5-year warranty
- Self-encrypting drive (SED) options
Applications
- Cloud and hyperscale storage
- Massive scale-out (MSO), high-density data centers
- Distributed file systems
- Bulk storage using object storage solutions like Ceph and OpenStack Swift
- Primary and secondary storage for Apache Hadoop for big data analytics
Reimagining the HDD for Exponential Data Growth
Hyperscale cloud, CSPs, enterprises, smart video surveillance partners, NAS suppliers, and more need storage solutions to meet the exponential growth in data creation. When it comes to cost-effective storage of data at scale, hard disk drives (HDDs) continue to play a central role. HDDs deliver the capacity, performance, and reliability needed to store vast amounts of data today and well into the future. Investments in HDD technology remain critical to supporting worldwide data growth.
Western Digital has developed flash-enhanced drives with OptiNAND technology by vertically integrating their NAND flash with their HDDs. Western Digital HDDs have been leaders in areal density with technologies of energy-assisted magnetic recording technology (EAMR), triple-stage actuator (TSA), HelioSeal, and now OptiNAND technology. Higher areal density means higher capacities to meet storage challenges.
Western Digital has developed flash-enhanced drives with OptiNAND technology by vertically integrating their NAND flash with their HDDs. Western Digital HDDs have been leaders in areal density with technologies of energy-assisted magnetic recording technology (EAMR), triple-stage actuator (TSA), HelioSeal, and now OptiNAND technology. Higher areal density means higher capacities to meet storage challenges.
20TB HDDs with OptiNAND Technology
OptiNAND integrates an iNAND Universal Flash Storage (UFS) Embedded Flash Drive (EFD) with traditional spinning disk media, and incorporates innovative changes to the firmware algorithm and system-on-a-chip (SoC). OptiNAND is not a hybrid technology. The drive works smarter, with enhanced firmware algorithms taking advantage of expanded metadata that has been offloaded to the iNAND, enabling more tracks per inch (TPI) with resulting increased areal density.
The Ultrastar DC HC560, with the first implementation of OptiNAND technology's capacity-enabling features, delivers a 20TB capacity in a nine-disk platform (2.2TB/platter) with the CMR recording format.
The Ultrastar DC HC560, with the first implementation of OptiNAND technology's capacity-enabling features, delivers a 20TB capacity in a nine-disk platform (2.2TB/platter) with the CMR recording format.
Trusted Reliability and Quality for Data at Scale
The Ultrastar DC HC560 meets modern data center reliability requirements with 2.5 million hour MTBF (projected) and a limited 5-year warranty. It offers security and encryption options to help protect data from unauthorized use, including SED models.
In the Box
- WD 20TB Ultrastar DC HC560 7200 rpm SATA III 3.5" Internal HDD
- Limited 5-Year Manufacturer Warranty
Table of Contents
- Description
- Highlights
- Applications
- Reimagining the HDD for Exponential Data Growth
- 20TB HDDs with OptiNAND Technology
- Trusted Reliability and Quality for Data at Scale
WD 0F38785 Specs
| Storage Capacity | 20 TB SATA III (6 Gb/s) 3.5" HDD (7200 rpm) |
| Read Speed | Sustained: 291 MB/s Random: 212 IOPS 4 kB Files |
| Write Speed | Sustained: 291 MB/s Random: 494 IOPS 4 kB Files |
| Buffer | 512 MB |
HDD Specs
| Areal Density | 1131 Gb/in² |
| Noise Level | 32.0 dB (Active) 20.0 dB (Idle) |
Reliability / Data Integrity
| Annualized Failure Rate (AFR) | 0.35 % |
| Encryption | None |
| Endurance (Total Bytes Written) | 550 TB |
| Load/Unload Cycles | 600,000 |
| Mean Time Between Failures (MTBF) | 2.5 Million Hours |
| Non-Recoverable Read Errors per Bits Read | 1 in 1015 |
Electrical
| Power Draw | 7.0 W (Active) 6.1 W (Idle) |
| Supported Voltage | 5 VDC, 12 VDC |
Environmental
| Operating Temperature | 41 to 140°F / 5 to 60°C |
| Storage Temperature | -40 to 158°F / -40 to 70°C |
| Operating Shock | 50 G / 2.0 ms |
| Storage Shock | 250 G / 2.0 ms |
| Operating Vibration | 0.7 G / 5 to 500 Hz |
| Storage Vibration | 1.04 G / 2 to 200 Hz |
General
| Dimensions | 5.8 x 4 x 1" / 147 x 101.6 x 26.1 mm |
| Weight | 24.3 oz / 690 g |
Packaging Info
| Package Weight | 1.8 lb |
| Box Dimensions (LxWxH) | 6.6 x 5.8 x 2.3" |
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 55678.7 |
| 3-5 | ₹ 55110.55 |
| 5-10 | ₹ 53974.25 |
| 10+ | ₹ 52837.95 |
Bulk discount will be automatically applied during checkout based on quantity.