Ultrastar DC HC560
3.5-inch Helium Platform Data Center SATA Hard Drive

Overview

Driving up Capacity and Driving Down TCO

The Ultrastar DC HC560 SATA HDD is an innovative storage architecture to help our customers meet their need for exponential data growth.

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 to Meet the Growth of Data

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 our leading NAND flash with our world-class HDDs.  Western Digital HDDs have been leaders in areal density with industry first 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 an unbeaten 20TB capacity in a nine-disk platform (2.2TB/platter) with CMR recording format.

Western Digital Quality and Service

The Ultrastar DC HC560 meets modern data center reliability requirements with 2.5M MTBF (projected) and a 5-year limited warranty. It offers security and encryption options to help protect data from unauthorized use, including SED models.

Trust Western Digital and the Ultrastar DC HC560 hard drive to deliver the highest capacity and greatest value for your data center.

Features and Benefits

Features	Benefits
High Capacity	20TB HDDs allow more cost-efficient storage in the same footprint.
Industry-first technologies	OptiNAND, energy-assisted magnetic recording (EAMR), triple-stage actuator (TSA) and HelioSeal enable the highest capacities with low power.
Data center workloads, reliability, and quality	Performance-optimized for heavy application workloads and are designed to handle workloads up to 550TB per year. Dependability and reliability with up to 2.5M hours MTBF (projected). 5-year limited warranty.

Specifications

	SATA Models
Configuration
Interface	SATA 6Gb/s
Capacity1	20TB
Format: Sector size (bytes)2	4Kn: 4096 512e: 512
Max. Areal density (Gbits/sq. in.)	1131
Performance
Data buffer3	512 MB
Rotational speed	7200 RPM
Latency average	4.16 ms
Interface transfer rate (MB/s, max)	600 MB/s
Sustained transfer rate4 (max)	269MiB/s, typical 257MB/s, typical
Reliability
Error rate (non-recoverable bits read)	1 in 1015
Load/Unload cycles (at 40°C)	600,000
Availability (hrs/day x days/wk)	24x7
MTBF5 (M hours, projected)	2.5
Annualized Failure Rate5 (AFR, projected)	0.35%
Limited Warranty	5 years
Acoustics
Idle/Operating (Bels, typical)	2.0 / 3.2
Power
Requirement	+5 VDC, +12VDC
Operating6	7.0
Idle7	6.0
Power consumption efficiency at idle (W/TB)	0.3 W/TB
Environmental (Operating)
Ambient temperature	5° to 60°C
Shock (half-sine wave, 2ms, G)	50
Vibration (G RMS, 5 to 500Hz)	0.67 (XYZ)
Environmental ((Non-operating)
Ambient temperature	-40° to 70°C
Shock (half-sine wave, 2ms, G)	250 (2ms)
Vibration (G RMS, 5 to 500Hz)	1.04 (XYZ)
Physical Dimensions
z-height	26.1 mm
Dimensions (width x depth, mm)	101.6 (+/-0.25) x 147
Weight (max)	690 g

¹ One MB is equal to one million bytes, one GB is equal to one billion bytes and one TB equals 1,000GB (one trillion bytes). Actual user capacity may be less due to operating environment.
² Advanced Format drive: 4K (4096-byte) physical sectors.
³ Portion of buffer capacity used for drive firmware
⁴ Based on internal testing; performance may vary depending on host environment, drive capacity and other factors. 1MiB = 1,048,576 bytes (220), 1MB = 1,000,000 bytes (106)
⁵ Projected values. Final MTBF and AFR specifications will be based on a sample poplutation and are estimated by statistical measurements and acceleration algorithms under typical operating conditions, workload 220TB/year and device temperature 40C. Derating of MTBF and AFR will occur above these parameters, up to 550TB writes per year and 60C device temp. MTBF and AFR ratings do not predict an individual drive's reliability and do not constitute a warranty.
⁶ SATA models: Random RW 50/50 8KB QD=1 @40 IOPS, SAS models: Random RW 50/50 4KB QD=4 @MAX IOPS
⁷ Idle specification is based on use of Idle_A

Documentation

Download the Western Digital Ultrastar DC HC560 Datasheet (.PDF)