Western Digital Ultrastar Manual

Western Digital Harddisk Ultrastar

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Ultrastar hard drives feature up to 10 times the workload rating of desktop drives and

employ advanced technologies for enterprise-class reliability, power efﬁciency and

performance. Designed from the ground up to be an ultra-robust storage device, Ultrastar

drives are the perfect solution for your business.

High Workload Rating

Delivering dependable performance to any storage environment, Ultrastar hard drives

are designed with a workload rating up to 550TB per year*, among the highest of any

3.5-inch hard drive.

Enterprise-class Storage to Rely On

Ultrastar is our top-end drive for data centers. With up to 2.5 million hours MTBF,

Ultrastar hard drives deliver reliability and durability, are built for yearly operation

(24×7×365) within the most demanding storage environments, and are backed with a

5-year limited warranty.

HelioSeal® Technology

Featured in over 30 million Western Digital hard drives shipped**, HelioSeal technology

allows for higher capacities and lower power on large storage arrays. And now on its

5th generation design, HelioSeal technology is ﬁeld-tested and proven to deliver high

capacity, reliability, and power efﬁciency you can trust. HelioSeal is a key technology on

10TB capacities and above.

Vibration Protection

Enhanced Rotational Vibration Safeguard (RVS) technology uses sophisticated

electronics to monitor the drive and correct linear and rotational vibrations in real

time for improved performance versus traditional desktop drives in high-vibration

environments.

Dynamic Fly-height Technology

Each read-write head’s ﬂy height is adjusted in real time to ensure consistent

performance for reduced errors and optimized reliability.

Dual-stage Actuator Technology

Ultrastar drives feature a dual-stage actuator head positioning system for a high degree

of accuracy. The primary stage provides course displacement while the secondary

stage uses piezoelectric motion to ﬁne tune the head positioning to a higher degree of

precision.

Compatibility testing

All Ultrastar hard drives are extensively tested across a variety of popular OEM storage

systems, SATA controllers, and host bus adapters to ensure ease of integration for a plug

and play solution.

7200RPM-Class

This family of 7200RPM-class hard drives delivers the fastest performance with the

highest workload rating of any drive in Western Digital’s hard drive lineup. Ensure you

have the most capable hard drive regardless of the application with Ultrastar hard

drives.

*Workload Rate is deﬁned as the amount of user data transferred to or from the hard drive. Workload Rate is

annualized (TB transferred X (8760 / recorded power-on hours). Workload Rate will vary depending on your

hardware and software components and conﬁgurations.

** As of July 2018.

*** As used for storage capacity, one gigabyte (GB) = billion bytes and one terabyte (TB) = one trillion bytes. Total

accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) =

1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second,

and gigabit per second (Gb/s) = one billion bits per second. Effective maximum SATA 6 Gb/s transfer rate calculated

according to the Serial ATA speciﬁcation published by the SATA-IO organization as of the date of this speciﬁcation

sheet. Visit www.sata-io.org for details.

Ultrastar® SATA Series

INTERFACE

SATA 6 Gb/s

FORM FACTOR

3.5-inch

PERFORMANCE CLASS

7200 RPM-Class

CAPACITIES***

1TB to 14TB

Highlights

• Designed with a workload rating up to 550TB per

year, 10X typical desktop rating

• Up to 2.5M hours MTBF with a 5-year limited

warranty

• Five generations of HelioSeal technology (10TB

and above)

• Rotational Vibration Safeguard (RVS) technology

for vibration protection

• Works with all major enterprise operating

systems

ULTRASTAR ADVANTAGE

The Ultrastar family delivers a long-standing

tradition of reliability leadership with MTBF ratings

of at least 2M hours and a 5-year limited warranty.

Ultrastar capacity, power efﬁciency and reliability

provide customers with a lower total cost of

ownership.

DATA CENTER DRIVESDATA SHEET

November 2018 2879–810017-A00

Digital logo, HelioSeal, Ultrastar, and WD Gold are registered trademarks or trademarks of Western Digital Corporation or

its afﬁliates in the US and/or other countries. All other marks are the property of their respective owners. References in this

publication to Western Digital products, programs, or services do not imply that they will be made available in all countries.

Product speciﬁcations provided are sample speciﬁcations that are subject to change and do not constitute a warranty. Please

visit our website, www.wdc.com/dc-support for additional information on product speciﬁcations. Pictures shown may vary

from actual products.

5601 Great Oaks Parkway

San Jose, CA 95119, USA

US (Toll-Free): 800.801.4618

International: 408.717.6000

www.westerndigital.com

Speciﬁcations 14TB 4TB12TB 10TB 8TB 6TB 2TB 1TB

Part Number¹0F31284 0F30146* 0F27606* 0B36404 0B36039 0B35950 1W10002* 1W10001*

Ultrastar DC family¹HC530 HC520 HC510 HC320 HC310 HC310 HA210 HA210

Capacity 14TB 4TB12TB 10TB 8TB 6TB 2TB 1TB

Interface SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s

Format Sector size (bytes) 512e 512e 512e 512e 512e 512n 512n 512n

Native Command Queuing Yes Yes Yes Yes Yes Yes Yes Yes

Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch

RoHS compliant Yes Yes Yes Yes Yes Yes Yes Yes

Performance

Interface transfer rate

(max sustained)

267 MB/s 255 MB/s 249 MB/s 225 MB/s 233 MB/s 233 MB/s 200 MB/s 184 MB/s

Performance Class 7200 RPM 7200 RPM 7200 RPM 7200 RPM 7200 RPM 7200 RPM 7200 RPM 7200 RPM

Cache (MB) 512 256 256 256 256 256 128 128

Reliability

MTBF (hours) 2,500,000 2,500,000 2,500,000 2,000,000 2,000,000 2,000,000 2,000,000 2,000,000

Annualized Failure Rate (AFR, %) 0.35 0.35 0.35 0.44 0.44 0.44 0.44 0.44

Load/unload cycles 600,000 600,000 600,000 600,000 600,000 600,000 600,000 600,000

Error rate (non-recoverable) <1 in 1015 <1 in 1015 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014

Limited warranty (years) 5 5 5 5 5 5 5 5

Power Management8

Average power requirements (W)

Operational

Idle

Power efﬁciency index (W/TB, idle)

7.6

5.6

0.4

6.3

5.0

0.417

6.8

5.0

0.5

8.8

7.4

0.925

5.9

0.983

5.9

1.475

8.1

5.9

2.95

8.1

5.9

Environmental Speciﬁcations

Temperature (°C, on the base casting)

Operating

Non-operating

5°C to 60°C

-40°C to 70°C

5°C to 60°C

-40°C to 70°C

5°C to 60°C

-40°C to 70°C

5°C to 60°C

-40°C to 70°C

5°C to 60°C

-40°C to 70°C

5°C to 60°C

-40°C to 70°C

5°C to 60°C

-40°C to 70°C

5°C to 60°C

-40°C to 70°C

Shock (Gs)

Operating (half-sine wave, 2ms)

Non-operating (half-sine wave, 2ms)

70G

300G

70G

300G

70G

300G

70G

300G

70G

300G

70G

300G

65G

300G

65G

300G

Acoustics (dBA, average)

Idle

Seek

Physical Dimensions

Height (in./mm, max) 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1 1.028/26.1

Length (in./mm, max) 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147 5.787/147

Width (in./mm, ± .01 in.) 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6 4/101.6

Weight (lb/kg, ± 10%) 1.52/0.69 1.46/0.66 1.46/0.66 1.43/0.65 1.58/0.715 1.58/0.715 1.41/0.64 1.41/0.64

Ultrastar

SATA Series

¹ Not all products may be available in all regions of the world.

² As used for storage capacity, one gigabyte (GB) = one

billion bytes and one terabyte (TB) = one trillion bytes.

Total accessible capacity varies depending on operating

environment. As used for buffer or cache, one megabyte

(MB) = 1,048,576 bytes. As used for transfer rate or interface,

megabyte per second (MB/s) = one million bytes per

second, and gigabit per second (Gb/s) = one billion bits

per second. Effective maximum SATA 6 Gb/s transfer

rate calculated according to the Serial ATA speciﬁcation

published by the SATA-IO organization as of the date of this

speciﬁcation sheet. Visit www.sata-io.org for details.

³ FORMAT: 512e: Advanced Format drive with 512-byte logical

sectors and 4K (4096-byte) physical sectors; 512n: Native

512-byte logical and physical sectors.

⁴Western Digital hard drive products manufactured and sold

worldwide after June 8, 2011, meet or exceed Restriction of

Hazardous Substances (RoHS) compliance requirements as

mandated by the RoHS Directive 2011/65/EU.

⁵ Interface transfer rate: MB/s is 1,000,000 bytes per second.

⁶ Cache buffer: Portion of buffer capacity used for drive

ﬁrmware.

⁷ MTBF and AFR: Specifications are based on a sample

population and are estimated by statistical measurements

and acceleration algorithms under typical operating

conditions for this drive model. MTBF and AFR ratings

do not predict an individual drive’s reliabilityand do not

constitute a warranty.

⁸ Operational Power: 8K Queue Depth = 1 @ 40 IOPS; Idle

Power: Based on use of Idle_A

* Some models of Ultrastar, as indicated by an asterisk (*),

are identical in form, ﬁt and function to the respective

WD Gold™ model. The only differences are limited to the

brand, label and ID string as reported by the ﬁrmware.

For these drives, any previously completed qualiﬁcation

of the equivalent WD Gold™ models should not require a

re-qualiﬁcation.

Canada ICES-003 Class B / NMB-003

DATA CENTER DRIVESDATA SHEET

Produkt Specifikationer

Mærke:	Western Digital
Kategori:	Harddisk
Model:	Ultrastar

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