® WD Sales offices The Team Around the World Committed, Collaborative, Speedy, Efficient WD Employees Worldwide: ~63,000 (As of FY11 Q1) Americas EMEA.

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WD Sales offices

The Team Around the WorldCommitted, Collaborative, Speedy, Efficient

WD Employees Worldwide: ~63,000 (As of FY11 Q1)

AmericasEMEA

APAC

Longmont, CODesign Center

Fremont, CA San Jose, CAHeads / HDDs / Media

Aliso Viejo, CASSDs

Irvine, CACorporate Headquarters

U.S. Locations

Factories

Kuala Lumpur, MalaysiaHDDs

Penang, MalaysiaMedia

Johor, MalaysiaSubstrates

Factories

Bangkok, ThailandHDDs

Bangkok, ThailandMHO

Factories

SingaporeMedia

Page 1

Manaus, BrazilHDDs

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External Storage

Desktop

Portables

Network

Internal Storage

Desktop

Enterprise

Mobile

AV

Solid State Storage

Desktop

Mobile

Embedded Systems

Home Entertainment

Media Players

DVR Expanders

Networking

Software

WD SmartWare

WD Photos

MioNet

Product BreadthA Broadening Portfolio of Compelling Solutions

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TM

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HDD Market Growth and Share PositionsWD Succeeds Through Customer Focused Products & Process

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Source: WD Analysis * Excludes WD TVTM

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Page 4 WD Confidential

The WD Family Just Got Bigger! ACTEBIS!

Introducing the newest arrivals of the SATA 6G family. Faster bandwidth with more capacity.

WD 20EARX WD15EARX

The Power of Choice

WD customers like options. Fromlower power drives that are

eco friendly to maximum performance the choice is yours,

all with the latest SATA 6G interface

Compatibility

WD’s SATA 6G products ensurescompatibility with today’s SATA 6G motherboards, chipsets and other

components. They are alsobackward compatible for use with

SATA 3G technology

Quiet

WD GreenPower Technology offers ultra quiet hard drives. Ourbest in class acoustics provides

quieter operation for a moreenjoyable user experience

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Competitive SATA 6G Landscape


WD Product Line UpWD has the most comprehensive SATA 6G product line up on the market!

The Power of ChoiceThe choice is yours with 46% more SATA 6G products than the competition.

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WD Caviar Green 2 TB and 1.5 TB SATA 6G

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WD Functional Integrity Testing (F.I.T.)

WD puts our products through extensive testing in our Functional Integrity Testing (F.I.T.) Lab prior to any product launch

On average each drive goes through 600,000 hours of testing with a variety of different host systems, peripherals, host adapters, operating systems, application programs and application systems

Additional tests measure the drives’ resistance to heat, vibration and rough handling

WD does all this to provide our customers with a quality hard drive that functions reliably in a real live environment the moment it is installed

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Page 8

WD = Technology Leader

3.5” 4 Disk 3 TB (750 GB / Platter) 3.5” 3 Disk 1 TB (333 GB / Platter) 3.5” 2 TB to Volume (500 GB / Platter)

2.5” 1 TB Mobile Drive (3 Disk / 333 GB/Platter) 2.5” 750 GB (375 GB / Platter) 2.5” 640 GB (320 GB / Platter) 2.5” 500 GB to Volume (250 GB / Platter) 2.5” 320 GB (160 GB / Platter) 2.5” 250 GB (125 GB / Platter)

Environmentally Friendly “Green” Product Industry’s ONLY 10,000 RPM SATA Hard Drive Enterprise 2 TB AV 2 TB

WD has created a reputation for being first:

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WD Internal HDDs

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WD Enterprise Products

WD RE SASWD RE SAS WD REWD RE WD RE-GPWD RE-GP WD VRaptorWD VRaptor WD S25WD S25

Maximum Performance Maximum Reliability

Performance and Reliability

Power Saving High Performance High Performance

7200 RPM 7200 RPM WD RE-GreenPower 2.5”/3.5” 10,000 RPM 2.5”, 10,000 RPM

1TB & 2TB 250GB – 2TB 2TB 150 / 300 / 450 / 600GB 147 / 300 / 450 / 600 GB

5 Year Limited Warranty 5 Year Limited Warranty 5 Year Limited Warranty 5 Year Limited Warranty

5 Year Limited Warranty

1.4M hour MTBF 1.2M hour MTBF 1.2M hour MTBF 1.4M hour MTBF 1.75m hour MTBF

32MB buffer 64MB buffer 64MB buffer 16 / 32 MB buffer 16 / 32 MB buffer

WD Confidential

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WD Confidential 11

WD Key EP Technologies

IntelliSeekTM

Optimizes seek speeds to lower

power consumption, noise and vibration

IntelliSeekTM

Optimizes seek speeds to lower

power consumption, noise and vibration

Pre-emptive Wear Leveling (PWL)

Drive arm sweeps across disk during

periods of inactivity, reducing uneven

wear

Pre-emptive Wear Leveling (PWL)

Drive arm sweeps across disk during

periods of inactivity, reducing uneven

wear

*Assumes Host Transfer Block size of 2MB per stream

StableTracTM

Double-tied motor shaft reduces

vibration and ensures accurate tracking

Perpendicular Magnetic Recording

(PMR)Stores bits

vertically to provide higher areal density

with greater data integrity

Perpendicular Magnetic Recording

(PMR)Stores bits

vertically to provide higher areal density

with greater data integrity

Time-Limited Error Recovery (TLER)

Prevents drive fallout caused by extended

hard drive error-recovery

process

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WD Confidential 12

WD Key Technologies

Fluid Dynamic Bearing (FDB) motor reduces

noise and increases reliability

SilkStreamTM

Allows for smooth, continuous digital video playback of

up to twelve HD streams*

*Assumes Host Transfer Block size of 2MB per stream

ShockGuardTM

Protects drive mechanics and

platter surfaces from shocks

Rotary Acceleration Feed Forward

(RAFFTM)Optimizes

performance and operation of

enterprise drives used in vibration-prone, multidrive

environmentsIntelliparkParkTM

Unloads heads during idle, reduces drag

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Internal HDD Comparison


Enterprise Storage – 3.5” 1TB Class

　 Western Digital Seagate Hitachi

Form Factor 3.5” 3.5” 3.5"

Platform Family WD RE4 Constellation ES Ultrastar A7K1000

Model Number WD1003FBYX ST31000528AS HUA721010KLA330

Capacities (GB) 1TB 1TB 1TB

Interface SATA 3Gb/s SATA 3Gb/s SATA 3Gb/s

RPM 7200 RPM 7200 RPM 7200RPM

Buffer Size 64MB 64MB 32MB

Power - Read/Writing 7.9W 6.39W 9.0W

Power - Idle 5.9W 4.61W 7.3W

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Internal HDD Comparison


Enterprise Storage - 2.5” SATA Class

　 Western Digital Western Digital Seagate

Form Factor 2.5” 2.5" 2.5"

Platform Family VelociRaptor VelociRaptor Constellation

Model Number WD6000BLHX WD3000BLFS ST9500530NS

Capacities (GB) 600GB, 450GB 300GB, 150GB 500GB, 160GB

Interface SATA 6Gb/s SATA3Gb/s SATA 3Gb/s

RPM 10K RPM 10K RPM 7200 RPM

Buffer Size 32MB 16MB 32MB

Average Latency 3.0ms 3.0ms 4.16ms

Read Seak 3.6ms 4.2ms 8.5ms

Write Seak 4.2ms 4.7ms 9.5ms

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Program Overview3.5 Inch, 7200RPM 500GB/Platter 4-Platter Design

Capacities offered: 2TB and 1TB

64MB Buffer, 6Gb/sec SAS interface speed

Leveraged mechanics from WD2003FYYS and firmware from WD 2.5” SAS products

Qual Samples in May 2011

Product Features - Key Points2TB and 1TB 7200RPM SAS

Segments of Enterprise Storage market starting transition to SAS

5Th Generation of WD RE product line

100% Halogen Free

ROHS Compliant

Page § 6 WD Confidential

WD2003FYYG / WD1003FYYG (RE-SAS)

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WD S25 SL200M2nd generation enterprise-class SAS hard drive

WD Confidential

WD, the # 1 Enterprise Nearline SATA Hard Drive manufacturer, announces its 2nd generation 10,000-RPM Enterprise Mission-Critical SAS drive

Next generation improvements in design result in doubling of capacity to 600GB and up to 17% faster performance than previous generation

WD is # 1 due to unmatched quality, compatibility and reliability and the S25 follows that tradition

All of WD’s drives go through our extensive F.I.T. Lab testing to ensure the highest quality, compatibility and reliability

WD Enterprise drives have an Award Winning history and our SAS drives are positioned to carry on that tradition

Ultra-fast SAS storage.

Low power consumption.

Industry leading reliability.

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Why partner with WD?

Storage market growth Direct attached, NAS or cloud

Focus on product quality and field reliability

Opportunity for reseller revenue growth and margin

Widest range of product available in the market today

Set of differentiating product features and benefits

Leading consumer storage brand and product development

Opportunity for reseller revenue growth and margin

SWD: www.selectwd-emea.com => Apply Now!

Bedankt iedereen!

www.wduniversity.com www.wdc.com

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WD Branded Portfolio

Page 18

Direct Attached Storage:

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WD Branded Portfolio

Page 19

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SSD Major Markets Comparison

Enterprise Systems

Performance/$

Performance/Watt

Data Integrity 24x7

High Reliability

Client Systems

Low Cost

Plug & Play Compatibility

High Performance

Product Support

Embedded Systems

Long Service Life

High Reliability

Data Integrity 24x7

Extended Temperature


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When Should I Use an HDD or an SSD?

Page 21 WD ConfidentialPage 21 WD Confidential

® WD Sales offices The Team Around the World Committed, Collaborative, Speedy, Efficient WD Employees Worldwide: ~63,000 (As of FY11 Q1) Americas EMEA.

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