
PRODUCT BRIEF
Product Highlights
• Reliable everyday computing
• Western Digital quality and reliability
• Free Acronis® True Image™ WD Edition
cloning software
• Massive capacity up to 6TB
• Two year limited warranty
INTERFACE
SATA 6 Gb/s
FORM FACTOR
3.5-inch
PERFORMANCE CLASS
5400 RPM Class
7200 RPM Class
CAPACITIES
500GB to 6TB
MODEL NUMBERS
WD60EZAZ
WD40EZAZ
WD40EZRZ
WD30EZAZ
WD30EZRZ
WD20EZBX
WD20EZAZ
WD20EZRZ
WD10EZRZ
WD10EZEX
WD5000AZRZ
WD5000AZLX
WD Blue
™
Western Digital WD Blue
3.5-inch HDD
Western Digital WD Blue™ 3.5-inch PC hard drives deliver solid reliability for
office and web applications, and they are perfect for extra storage for desktop
PC computing.
Tested For Compatibility
We perform tests on hundreds of systems and a multitude of platforms in our F.I.T. Lab to
give our customers confidence that our drives will work in their systems.
Low Power Consumption
State-of-the-art seeking algorithms and advanced power management features help
ensure low power consumption.
NoTouc h™ Ramp Load Technology
Safely positions the recording head off the disk surface to protect your data.
Upgrading Your Drive is Easy
Seamlessly migrate your current system to your new Western Digital drive using Acronis® True Image™ WD Edition cloning software, available as a free download on the WD
Support site. This software enables you to copy all your data to a new drive so you don’t
have to reinstall your operating system to get all the benefits of a new drive.
Two Year Limited Warranty
As an industry-leading hard drive manufacturer, Western Digital stands behind their PC
storage solutions with a 2-year limited warranty included with every WD Blue hard drive.
THE WESTERN DIGITAL ADVANTAGE
Western Digital puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any
product launch. This testing ensures our products
consistently meet the highest quality and reliability
standards of the Western Digital brand.
Western Digital also has a detailed Knowledge
Base with more than 1,000 helpful articles as well as
helpful software and utilities. Our customer support
lines have longer operational hours to ensure you
get the help you need when you need it. Our tollfree customer support lines are here to help or you
can access our Western Digital Support site for
additional details.

Western Digital WD BlueTM 3.5-inch HDD
PRODUCT BRIEF
Specifications
6TB 4TB 4T B 3TB 3TB 2TB
Model Number
Recording Technology
Formatted capacity
1
9
2
Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch
Advanced Format (AF) Yes Yes Yes Yes Yes Yes
RoHS compliant Yes Yes Yes Yes Yes Yes
Performance
Interface transfer rate (max)
Buffer to host
Host to/from drive (sustaine d)
Cach e (MiB) 256 256 64 256 64 256
RPM 5400 5400 5400 5400 5400 7200
Reliability/Data Integrity
Load/unload cycles 300,000 300,000 300,000 300,000 300,000 300,000
Non-recoverable read errors per
bits rea d
Limited warranty (years) 2 2 2 2 2 2
Power Management
Average power requirements (W)
12VDC ±10% (A, peak)
Read/Write
Idle
Standby and Sleep
6
Environmental Specifications
Temperature (°C, on the base casting)
Operating
Non-operating
Sho ck (Gs)
Operating (2 ms, read/write)
Operating (2 ms, read)
Non-operating (2 ms)
Acoustics (dBA)8
Idle
Seek (average)
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
Length (in./mm, max) 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
Weight (lb/kg, ± 10%) 1.4 0/0.64 1.26 / 0.57 1 .40/0.64 1.26 / 0.57 1. 40/0 .7 15 0.99 / 0.45
WD60EZAZ WD40EZAZ WD40EZRZ WD30EZAZ WD30EZRZ WD20EZBX
SMR SMR CMR SMR CMR SMR
6TB 4TB 4T B 3TB 3TB 2TB
6 G b/s
18 0 MB /s
14
<1 in 10
1.75
4.8
3.1
0.6
7
0 to 60
-40 to 70
30
65
250
23
27
6 G b/s
18 0 MB /s
<1 in 10
1.75
4.8
3.1
0.4
0 to 60
-40 to 70
30
65
250
23
27
6 G b/s
17 5 M B/s
14
<1 in 10
1.75
4.5
2.9
0.4
0 to 60
-40 to 70
30
65
250
23
27
14
6 G b/s
18 0 MB /s
<1 in 10
1.75
4.8
3.1
0.4
0 to 60
-40 to 70
30
65
250
23
27
6 G b/s
147 MB/s
14
<1 in 10
1.73
4.1
3.0
0.4
0 to 60
-40 to 70
30
65
250
23
27
14
6 G b/s
21 5 M B/s
<1 in 10
0 to 60
-40 to 70
1.75
5.6
3.7
0.4
30
65
350
25
27
14

Western Digital WD BlueTM 3.5-inch HDD
PRODUCT BRIEF
Specifications
2TB 2TB 1TB 1TB 500GB 500GB
Model Number
Recording Technology
Formatted capacity
1
9
2
Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch
Advanced Format (AF) Yes Yes Yes Yes Yes Yes
RoHS compliant Yes Yes Yes Yes Yes Yes
Performance
Interface transfer rate (max)
Buffer to host
Host to/from drive (sustaine d)
Cach e (MiB) 256 64 64 64 64 32
RPM 5400 5400 5400 7200 5400 7200
Reliability/Data Integrity
Load/unload cycles 300,000 300,000 300,000 300,000 300,000 300,000
Non-recoverable read errors per
bits rea d
Limited warranty (years) 2 2 2 2 2 2
Power Management
Average power requirements (W)
12VDC ±10% (A, peak)
Read/Write
Idle
Standby and Sleep
6
Environmental Specifications
Temperature (°C, on the base casting)
Operating
Non-operating
Sho ck (Gs)
Operating (2 ms, read/write)
Operating (2 ms, read)
Non-operating (2 ms)
Acoustics (dBA)8
Idle
Seek (average)
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
Length (in./mm, max) 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
Weight (lb/kg, ± 10%) 0.99/0.45 1.32/0.60 0.99/0.45 0.99/0.45 0.99/0.45 0.99/0.45
WD20EZAZ WD20EZR Z WD10EZR Z WD10EZE X WD5000AZRZ WD5000AZLX
SMR CMR CMR CMR CMR CMR
2TB 2TB 1TB 1TB 500GB 500GB
6 G b/s
18 0 MB /s
14
<1 in 10
1.31
4.1
2.3
0.6
7
0 to 60
-40 to 70
30
65
350
21
26
6 G b/s
147 MB/s
<1 in 10
1.73
4.1
3.0
0.4
0 to 60
-40 to 70
30
65
250
23
27
6 G b/s
15 0 M B/s
14
<1 in 10
1.2
3.3
2.5
0.4
0 to 60
-40 to 70
30
65
350
21
24
14
6 G b/s
15 0 M B/s
<1 in 10
2.5
6.8
6.1
1.2
0 to 60
-40 to 70
30
65
350
29
30
6 G b/s
15 0 M B/s
14
<1 in 10
2.0
3.3
2.5
0.4
0 to 60
-40 to 70
30
65
350
29
30
14
6 G b/s
15 0 M B/s
<1 in 10
0 to 60
-40 to 70
2.0
3.3
2.5
0.4
30
65
350
29
30
14
1
Not all pro ducts may be avail able in all region s of the world.
As used for s torage capaci ty, 1GB = 1 billion byte s and 1TB = 1 tri llion bytes. Act ual user capacit y may be less
depending on operating environment. Memory capacity for buffer or cache is indicated in mebibytes (MiB) and one
MiB is equ al to 1,048,576 bytes. As us ed for transfer ra te or interface, 1 MB/s = 1 mill ion bytes per seco nd. Effective
maximu m SATA 6 Gb/s transfer rate ca lculated accord ing to the Serial ATA specifi cation publish ed by the SATA-IO
organiz ation as of the date o f this specific ation sheet. Vis it www.sata-io.o rg for details. Per formance may va ry
depending upon host device, usage conditions, drive capacity, and other factors.
This hard d rive product mee ts or exceeds Rest riction of Haz ardous Su bstances (RoHS) com pliance require ments
as manda ted by the RoHS Direc tive 2011/65/EU and Direc tive (EU) 2015/863.
5601 Great Oaks Pa rkway
San Jose, CA 95119, USA
www.westerndigital.com
© 2021 Western Digit al Corporation or it s affi liates . All rights rese rved . Western D igital, the Wes tern Digital l ogo, F.I.T.
Lab, NoTouch and WD Blue are registered trademarks or trademarks of Western Digital Corporation or its affiliates
in the US an d/or other countries. All other marks are th e prope rt y of thei r respe ctive owners. P roduc t specifications
subject to chan ge without notice. Picture sh own may va ry fro m actual product. Not all pro duct s are avail able in all
regions of the world.
Control led unload at ambi ent condition.
See http://support.wd.com/warranty for regional specific warranty details.
No non-recoverable errors during operating tests or after non-operating tests.
7
Power measurements at room-ambient temperature.
8
Sound pow er level.
9
Implem entation of SMR fo r the following pro ducts using SMR re cording technol ogy is device-man aged SMR.
2579–810248-A03 January 2021