PRODUCT BRIEF 3.

5-INCH NAS HARD DRIVE

WD Red® Plus
Tackle Intensity with WD Red Plus
Packed with power to handle NAS environments in home offices up to medium-sized
businesses, WD Red Plus is ideal for helping protect, archive and share valuable data in NAS
systems with up to 8 bays. WD Red Plus NAS drives give you the flexibility, versatility and
confidence you need for your important home and work files.

For Small or Medium Businesses

WD Red Plus drives deliver the speed and capacity business customers require to store,
protect and share increasing amounts of data with a growing number of NAS users. For
NAS systems with up to 8 bays, WD Red Plus drives deliver uncompromising performance
and unwavering assurance backed by a 3-year limited warranty³.
Product Highlights
• Available in capacities ranging from 1-14TB1
For Home Office and Power Users
with support for NAS system with up to 8 bays Whether you’re a power user looking to store high-resolution videos or running a home
office with thousands of electronic documents, WD Red Plus drives are designed to help you
• Supports up to 180TB/year workload rate2
effortlessly organize, protect and share your digital content.
• NASware™ firmware for compatibility
• Built for small or medium business NAS systems Exclusive NASware™ Technology
in a 24/7 environment Built into every WD Red hard drive is Western Digital’s exclusive advanced firmware,
• 3-year limited warranty3 NASware™. NASware is advanced technology that improves your NAS system by increasing
performance, compatibility, upgradeability and reliability. NASware enables seamless
integration, robust data protection and optimal performance for NAS systems operating
WD Red versus Desktop Drives under heavy demand.
It is important to choose a drive purpose-built for
NAS with the features you need to help preserve your Built for Optimum NAS Compatibility
data and maintain optimum performance. Take the Simply put, WD Red hard drives are some of the most compatible drives available for NAS
following into consideration when choosing a hard enclosures. This wide-ranging compatibility is a reflection of our expansive NAS partner
drive for your NAS: technology engagement and extensive compatibility testing.

• Compatibility: Unlike desktop drives, WD Red

drives are specifically tested for compatibility with
3D Active Balance Plus
Our enhanced dual-plane balance control technology significantly improves the overall drive
NAS systems for optimum performance.
performance and reliability. Hard drives that are not properly balanced may cause excessive
• Reliability: Desktop drives aren’t typically
vibration and noise in a multi-drive system, reduce the hard drive life span and degrade the
designed for the demands of an always-on NAS
performance over time.
environment. WD Red NAS hard drives are tested
under tough conditions like you might experience Built for Continuous Operation
in your environment and designed to perform
Since your NAS system is always on, a reliable drive is essential. With an MTBF of up to 1
under those extreme conditions.
million hours³, WD Red hard drives are engineered to handle rigorous workloads in 24x7 NAS
• Error Recovery Controls: WD Red drives are environments.
specifically designed with RAID error recovery
control to help reduce failures within the NAS World-Class Support and a 3-year Limited Warranty3
system. As an industry-leading hard drive manufacturer, Western Digital stands behind their NAS
• Noise and Vibration Protection: Designed to storage solutions with the assurance of a 3-year limited warranty, coupled with world-class
operate solo, desktop drives typically offer little support services.
or no protection from the noise and vibration
present in a multi-drive system. WD Red drives
are designed to thrive in multi-bay NAS system
environments.
WD Red® Plus
PRODUCT BRIEF 3.5-INCH NAS HARD DRIVE

Specifications
14TB¹ 12TB¹ 10TB¹ 8TB¹ 8TB¹ 6TB¹ 6TB¹
Model Number4 WD140EFGX WD120EFAX WD101EFAX WD80EFAX WD80EFZX WD60EFPX WD60EFZX

WD140EFFX7 WD120EFBX WD101EFBX WD80EFBX WD80EFZZ

Recording technology CMR CMR CMR CMR CMR CMR CMR

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

Formatted capacity1 14TB 12TB 10TB 8TB 8TB 6TB 6TB

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

Native command queuing Yes Yes Yes Yes Yes Yes Yes

Advanced Format (AF) Yes Yes Yes Yes Yes Yes Yes

RoHS compliant 5
Yes Yes Yes Yes Yes Yes Yes

Performance
Internal transfer rate6 up to 210 MB/s 196 MB/s 215 MB/s 210 MB/s 185 MB/s 180 MB/s 185 MB/s

Cache (MB)¹ 512 MB 256 MB 256 MB 256 MB 128 MB 256 MB 128 MB

RPM 7200 72007 7200 7200 5640 5640 5640

Reliability/Data Integrity
Load/unload cycles8 600,000 600,000 600,000 600,000 600,000 600,000 600,000

Non-recoverable errors per bits read <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014

MTBF (hours) 9
1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000

Workload rate (TB/year)2 180 180 180 180 180 180 180

Limited warranty (years) 3

3 3 3 3 3 3 3

Power Management10
12VDC ±5% (A, peak) 1.85 1.854 1.85 1.85 1.75 1.75 1.75
Average power requirements (W)
Read/write 6.5 6.3 8.4 8.8 6.2 4.7 6.2
Idle 3.0 2.9 4.6 5.3 4.1 3.1 4.1
Standby and sleep 0.8 0.6 0.5 0.8 0.4 0.3 0.4
Environmental Specifications
Temperature (°C)
Operating 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65
Non-operating -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70

Shock (Gs)
Operating, (2 ms, write) 30 30 30 30 70 70 70
Operating, (2 ms, read) 65 65 65 65 70 70 70
Non-operating (2 ms) 300 300 250 300 250 250 250
Acoustics (dBA)
Idle 20 20 34 27 25 32 25
Seek (average) 29 29 38 29 30 27 30
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

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

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

Weight (lb/kg , ± 3%) 1.52/0.69 1.46/0.66 1.65/0.75 1.58/0.715 1.65/0.75 1.65/0.75 1.65/0.75

Specifications subject to change without notice. 6

Up to stated speed. As used for transfer rate, 1 MB/s = 1 million bytes per second. Based on
¹ 1MB = 1 million bytes, 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be internal testing; performance may vary depending upon host device, usage conditions, drive
less depending on operating environment. capacity and other factors.
² Workload rate is defined as the amount of user data transferred to or from the hard drive.
7
Actual spindle motor rotational speed for this model is 7200 RPM; although ID Device may report
Workload rate is annualized (TB transferred X (8760 / recorded power-on hours)). Workload rate 5400 to reflect previous Performance Class designation.
will vary depending on your hardware and software components and configurations. 8
Controlled unload at ambient condition.
3
See support.wdc.com/warranty for regionally specific warranty details. 9
MTBF specifications are based on a sample population and are estimated by statistical
4
Not all products may be available in all regions of the world. measurements and acceleration algorithms under typical operating conditions: workload of
5
This hard drive product meets or exceeds Restriction of Hazardous Substances (RoHS) 90TB/year and drive temperature of 40°C. Derating of MTBF will occur above these parameters,
compliance requirements as mandated by the RoHS Directive 2011/65/EU and Directive (EU) up to 65°C drive temperature. MTBF does not predict an individual drive’s reliability and does
2015/863. not constitute a warranty. Not all products may be available in all regions of the world.
10
Power measurements at room/ambient temperature.
WD Red™ Plus
PRODUCT BRIEF 3.5-INCH NAS HARD DRIVE

Specifications
4TB¹ 4TB¹ 3TB¹ 3TB¹ 2TB¹ 2TB¹ 1TB¹ 1TB¹
Model Number4 WD40EFPX WD40EFZX WD30EFPX WD30EFZX WD20EFPX WD20EFZX WD10JFCX WD10EFRX

Recording technology CMR CMR CMR CMR CMR CMR CMR CMR

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

Formatted capacity1 4TB 4TB 3TB 3TB 2TB 2TB 2TB 1TB

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

Native command queuing Yes Yes Yes Yes Yes Yes Yes Yes

Advanced Format (AF) Yes Yes Yes Yes Yes Yes Yes Yes

RoHS compliant5 Yes Yes Yes Yes Yes Yes Yes Yes

Performance
Internal transfer rate6 up to 180 MB/s 175 MB/s 180 MB/s 175 MB/s 180 MB/s 175 MB/s 144 MB/s 150 MB/s

Cache (MB)¹ 256 MB 128 MB 256 MB 128 MB 64 MB 128 MB 16 MB 64 MB

RPM 5400 5400 5400 5400 5400 5400 5400 5400

Reliability/Data Integrity
Load/unload cycles8 600,000 600,000 600,000 600,000 600,000 600,000 600,000 600,000

Non-recoverable read errors per

<1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014 <1 in 1014
bits read

MTBF (hours)9 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000

Workload rate (TB/year)2 180 180 180 180 180 180 180 180

Limited warranty (years)3 3 3 3 3 3 3 3 3

Power Management 10

12VDC ±5% (A, peak) 1.75 1.75 1.75 1.75 1.2 1.75 1.0 1.2

Average power requirements (W)

Read/write 4.7 4.8 4.7 4.8 4.8 4.8 1.4 3.3
Idle 3.1 3.1 3.1 3.1 3.1 3.1 0.6 2.3
Standby and sleep 0.3 0.4 0.3 0.4 0.4 0.4 0.2 0.4

Environmental Specifications
Temperature (°C)
Operating 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65
Non-operating -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70

Shock (Gs)
Operating, (2 ms, read/write) 70 70 70 70 70 70 400 30
Operating, (2 ms, read) 70 70 70 70 70 70 65
Non-operating (2 ms) 250 250 250 300 300 300 1000 250

Acoustics (dBA)
Idle 23 23 23 23 21 23 24 21
Seek (average) 27 27 27 27 26 27 25 22

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 0.374/9.5 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 3.94/100.2 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 2.75/69.85 4/101.6

Weight (lb/kg , ± 10%) 1.26/0.57 1.26/0.57 1.26/0.57 1.26/0.57 0.99/0.45 1.26/0.57 0.25/0.115 0.99/0.45

Specifications subject to change without notice. For footnote references, please see the previous page.

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March 2023