Western Digital SATA Hard Drives (3.5 inch)
Data storage pioneer and a longtime leader in the hard drive industry.

Western Digital SATA Hard Drives (3.5 inch)

Customers Please Note: All Hard Drives are not returnable. Defective drives can be replaced by the manufacturer if still covered under warranty.

Western Digital Products
WD Gold Enterprise Class Hard Drives
WD Gold Hard Drive, 10 TB
Internal HD - 10 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 256MB Cache
#WD101KRYZ
Our Price: $407.00
WD Gold Hard Drive, 8 TB
Internal HD - 8 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 256MB Cache
#WD8003FRYZ
Our Price: $328.00
WD Gold Hard Drive, 6 TB
Internal HD - 6 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 128MB Cache
#WD6002FRYZ
Our Price: $249.00
WD Red Pro NAS Hard Drives
WD Red Pro Hard Drive, 10 TB
Internal HD - 10 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 256MB Cache
#WD101KFBX
Our Price: $434.00
WD Red Pro Hard Drive, 8 TB
Internal HD - 8 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 128MB Cache
#WD8001FFWX
Our Price: $330.00
WD Red Pro Hard Drive, 6 TB
Internal HD - 6 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 128MB Cache
#WD6002FFWX
Our Price: $250.00
WD Red Pro Hard Drive, 4 TB
Internal HD - 4 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 128MB Cache
#WD4002FFWX
Our Price: $187.00
WD Red Pro Hard Drive, 2 TB
Internal HD - 2 TB - 3.5 Inch - SATA 6 Gb/s - 7200 RPM - 64MB Cache
#WD2002FFSX
Our Price: $124.00
WD Red NAS Hard Drives
WD Red Hard Drive, 10 TB
Internal HD - 10 TB - 3.5 Inch - SATA 6 Gb/s - 5400 RPM - 256MB Cache
#WD100EFAX
Our Price: $399.00
WD Red Hard Drive, 8 TB
Internal HD - 8 TB - 3.5 Inch - SATA 6 Gb/s - 5400 RPM - 128MB Cache
#WD80EFZX
Our Price: $294.00
WD Red Hard Drive, 6 TB
Internal HD - 6 TB - 3.5 Inch - SATA 6 Gb/s - 5400 RPM - 64MB Cache
#WD60EFRX
Our Price: $226.00
WD Red Hard Drive, 4 TB
Internal HD - 4 TB - 3.5 Inch - SATA 6 Gb/s - 5400 RPM - 64MB Cache
#WD40EFRX
Our Price: $138.00
WD Red Hard Drive, 3 TB
Internal HD - 3 TB - 3.5 Inch - SATA 6 Gb/s - 5400 RPM - 64MB Cache
#WD30EFRX
Our Price: $109.00
WD Red Hard Drive, 2 TB
Internal HD - 2 TB - 3.5 Inch - SATA 6 Gb/s - 5400 RPM - 64MB Cache
#WD20EFRX
Our Price: $86.00
WD Red Hard Drive, 1 TB
Internal HD - 1 TB - 3.5 Inch - SATA 6 Gb/s - 5400 RPM - 64MB Cache
#WD10EFRX
Our Price: $61.00

WD Gold:

WD GoldEnterprise-class Hard Drives

Drive to endure
WD Gold hard drives feature up to ten times the workload rating¹ of desktop drives and employ advanced technologies for enterpriseclass reliability, power efficiency and performance. Designed from the ground up to be an ultra-robust storage device, WD Gold drives are the perfect solution for your business.

High workload rating

High workload rating
Delivering dependable performance to any storage environment, WD Gold™ hard drives are designed with a workload rating up to 550TB per year1, among the highest of any 3.5-inch hard drive.

Enterprise-class storage to rely on

Enterprise-class storage to rely on
With up to 2.5 million hours MTBF, WD Gold hard drives deliver reliability and durability, are built for yearly operation (24x7x365) within the most demanding storage environments, and are backed with a 5 year limited warranty.

HelioSeal™ Technology

HelioSeal™ Technology
Featured in over 15 million Western Digital hard drives shipped2, HelioSeal™ technology allows for higher capacities and less turbulence on large storage arrays.
And now on its 4th generation design, HelioSeal™ technology is field-tested and proven to deliver high capacity, reliability, and power efficiency you can trust.


Product Features:

VIBRATION PROTECTION

VIBRATION PROTECTION
Enhanced RAFF™ technology uses sophisticated electronics to monitor the drive and correct linear and rotational vibrations in real time for improved performance versus WD’s desktop drives in highvibration environments.

RAID-SPECIFIC, TIME-LIMITED ERROR RECOVERY (TLER)

RAID-SPECIFIC, TIME-LIMITED ERROR RECOVERY (TLER)
Reduces drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.

DYNAMIC FLY HEIGHT TECHNOLOGY

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.

COMPATIBILITY TESTING

COMPATIBILITY TESTING
All WD Gold hard drives are extensively tested across a variety of popular OEM storage systems, SATA controllers, and host bus adapters to ensure ease.

Technical Specifications:

WD Gold Hard Drive View
WD Gold Hard Drive View
What It Holds

Drive Size 10 TB 8 TB 6 TB 4 TB
Specifications
Model Number3 WD101KRYZ WD8003FRYZ WD6002FRYZ WD4002FYYZ
Formatted Capacity4 10 TB 8 TB 6 TB 4 TB
Interface4 SATA 6 Gb/s
Native Command Queuing Yes
Form factor 3.5-inch
RoHS Compliant5 Yes
Performance
Data transfer rate (max)4
Buffer to host
host to/from drive (sustained)

6 Gb/s
249 MB/s

6 Gb/s
225 MB/s

6 Gb/s
226 MB/s

6 Gb/s
201 MB/s
Cache (MB) 256 128
Performance Class 7200 RPM Class
Reliability/Data Integrity
Load/unload cycles6 600,000
Non-recoverable read errors per bits read <1 in 1015
MTBF (hours)5 2,500,000 7 2,000,000 7
AFR (%) 0.35 7 0.44 7
Limited warranty (years)8 5
Power Management
Average power requirements (W) Sequential read: 7.1
Sequential write: 6.7
Random read/write: 6.8
Idle: 5.0
Sequential read: 9.3
Sequential write: 8.9
Random read/write: 9.1
Idle: 7.1
Sequential read: 9.0
Sequential write: 8.7
Random read/write: 8.8
Idle: 7.0
Environmental Specifications9
Operating Temperature8 5 to 60° C
Non-operating Temperature -40 to 70° C
Shock (Gs)
Operating (half-sine wave, 2 ms) 70
Non-operating (half-sine wave) 300 (1ms)/150 (11ms)
Average acoustics (dBA)10
Idle 20 29
Seek (average) 36

1 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.
2 As of April 2017.
3 Not all products may be available in all regions of the world.
4 As used for storage capacity, one megabyte (MB) = one million bytes, 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 he date of this specification sheet.
5 WD 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.
6 Controlled unload at ambient condition.
7 Product MTBF and AFR specifications are based upon a 40°C base casting temperature and typical system workload rate of 219TB/year. Product is designed for workload rates up to 550TB/year.
8 See http://support.wd.com/warranty for regional specific warranty details.
9 No non-recoverable errors during operating tests or after non-operating tests.
10 Sound power level.

WD Gold Datasheet (.PDF)

WD Red Pro:

WD Red ProNAS Storage

SOLUTIONS FOR SMB CUSTOMERS
For up to 16 bay medium to large-scale NAS environments, the WD Red Pro drive is engineered to handle increased business workloads and carries a 5-year limited warranty.

NAS for Big Business

NAS for Big Business
Add value to your business by enabling your employees to quickly and reliably sync their files and back up folders or share work with clients.

NASware 3.0 Technology

NASware 3.0 Technology
Seamless integration, robust data protection and optimal performance for larger NAS systems that demand more.

Built for NAS Compatibility

Built for NAS Compatibility
WD Red Pro hard drives also have NASware technology and are purpose-built to balance performance and reliability in larger NAS and RAID environments.


Product Features:

TLARGER NAS BAY SHOCK PROTECTION

LARGER NAS BAY SHOCK PROTECTION
A multi-axis shock sensor automatically detects subtle shock events that may occur in larger NAS environments and when combined with dynamic fly height technology, helps to adjust each read-write function to compensate for increased vibrations and protect data.

DESIGNED FOR NAS

DESIGNED FOR NAS
Desktop drives aren't purpose-built for NAS. But WD Red Pro drives with NASware 3.0 are. Our exclusive technology takes the guesswork out of selecting a drive. We can help you find the perfect storage for your NAS system.

Technical Specifications:

WD Red Pro Hard Drive View
WD Red Pro Hard Drive View
What It Holds

Drive Size 10 TB 8 TB 6 TB 4 TB 2 TB
Specifications
Model Number1 WD101KFBX WD8001FFWX WD6002FFWX WD4002FFWX WD2002FFSX
Interface SATA 6 Gb/s
Formatted Capacity2 10 TB 8 TB 6 TB 4 TB 2 TB
Form factor 3.5-inch
Advanced Format (AF) Yes
Native Command Queuing Yes
RoHS Compliant3 Yes
Performance
Data transfer rate (max)
Buffer to host
host to/from drive (sustained)

6 Gb/s
240 MB/s

6 Gb/s
205 MB/s

6 Gb/s
227 MB/s

6 Gb/s
202 MB/s

6 Gb/s
164 MB/s
Cache (MB) 256 128 64
Rotational Speed (RPM)3 7200 RPM Class
Reliability/Data Integrity
Load/unload cycles4 600,000
Non-recoverable read errors per bits read <1 in 1015
MTBF (hours)5 1,000,000
Workload Rate (TB/year)10 300
Limited warranty (years)6 5
Power Management
12VDC (A, peak) 1.80 1.79 1.90
Average power requirements (W) Read/Write: 5.7
Idle: 2.8
Standby: 0.5
Read/Write: 8.3
Idle: 5.2
Standby: 0.7
Read/Write: 9.1
Idle: 7.1
Standby: 1.0
Read/Write: 7.8
Idle: 6.0
Standby: 1.4
Environmental Specifications7
Operating Temperature8 5 to 60° C
Non-operating Temperature -40 to 70° C
Shock (Gs)
Operating (2 ms, read/write) 30
Operating (2 ms, read) 65
Non-operating (2 ms) 300
Average acoustics (dBA)9
Idle mode 20 29 21
Performance seek mode 29 36 34

1 Not all products may be available in all regions of the world.
2 As used for storage capacity, one megabyte (MB) = one million bytes, 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 WD 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.
4 Controlled unload at ambient condition.
5 Based on a typical NAS product environment under normal operating conditions.
6 The term of the limited warranty may vary by region. Visit http://support.wd.com/warranty for details.
7 No non-recoverable errors during operating tests or after non-operating tests.
8 On the base casting.
9 Sound power level.
10 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.

WD Red Pro Datasheet (.PDF)

WD Red:

WD RedNAS SATA Hard Drives

The Right Drive for Home or Small Office Network Attached Storage Systems
WD Red is designed specifically for NAS systems that have 1 to 5 drive bays in both 3.5-inch and 2.5-inch form factors. The drives are designed and extensively tested for compatibility in the unique 24x7 operating environment and for the demanding system requirements of home and small office NAS.

Expanded solutions

Expanded solutions
Our formula of success has led growth of WD Red into higher capacities and expansion into new 2.5-inch solutions. We now offer a broader, more comprehensive portfolio of NAS hard drives for our customers. It is not just about NAS drives, it is REDvolutionary.

Next-generation experience

Next-generation experience
Every component, line of code, and product decision was built on our passion and determination to deliver the best NAS experience.The next generation of WD Red hard drives delivers on this promise with massive capacity and NASware 2.0, which further improves drive reliability and protects your data in the event of a power loss or power disruption.

Experienced in NAS

Experienced in NAS
In all of our cultures around the world, first impressions are what leave a mark. With superior technology that is driven to impress, WD Red is a reflection of the most extensive NAS partner compatibility-testing list that is available on the market*. That means when you buy a NAS enclosure, you can trust that WD Red will be the most compatible drive available. Our pride is in our product and our vision is shared with our customers.

NAS for home

NAS for home

Take your connected home environment to the next level with a NAS system that is equipped with WD Red hard drives and enjoy streaming your media, backing up your computers, file sharing and managing your digital content faster and easier.

WD Red's NASware 2.0 experience with increased compatibility makes sharing from your mobile device, computer, TV, stereo and more an instant gratification. And with capacities now available in 4 TB, a 5-bay NAS system can hold close to 20 terabytes of data!

NAS for small business

NAS for small business

Increase the efficiency and productivity of your small business with WD Red hard drives for your 1 to 5 bay NAS system. WD Red comes equipped with NASware 2.0, which increases system compatibility allowing for seamless integration with your existing network infrastructure. Add value to your business by enabling your employees to quickly share their files and back up folders reliably with WD Red NAS hard drives in your NAS solution.


everything more efficient and reliableProduct Features:

NASware 2.0

Exclusive NASware 2.0 technology
Our exclusive technology, NASware 2.0, makes WD Red thrive in the demanding small-NAS environment. By adding WD Red to your NAS system, not only is everything more efficient and reliable, you get to enjoy a REDvolutionary NAS experience.

3D Active Balance Plus
Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time.

The right choice
The right choice for NAS, no other drive is designed specifically for home and small office NAS systems and PCs with RAID.

The secret is the next-generation technology

The secret is the next-generation technology
WD's next generation NASware 2.0 technology improves NAS storage performance by reducing common hard drive concerns in NAS systems. This includes concerns for things like compatibility, integration, upgrade ability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.

Longer warranty coverage
WD Red hard drives are backed by a 3-year limited warranty for greater peace of mind.

Enhanced reliability
Since your NAS system is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard desktop drives, the WD Red drive with NASware 2.0 is designed and manufactured to be a more reliable and robust solution.

NAS compatibility
Advanced firmware technology built into every WD Red drive, NASware 2.0 enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments.

Energy efficient and money saving

Energy efficient and money saving
We keep power consumption low, which keeps your NAS system happy, and your wallet too.

Lower operating temperatures
Reduce your electricity bill and carbon footprint with WD Red drives. Innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on 24x7 NAS environments.

We offer premium support.

Need help? We offer premium support.

Every WD Red hard drive comes with our world-class professional support services including a premium dedicated 24/7 support line and a 3-year limited warranty.

Ideal for: 
Specifically designed and tested for small office and home office, 1-5 bay NAS systems, small media servers and PCs with RAID.

Specifications:

WD Red Hard Drive View
WD Red Hard Drive View
What It Holds

Drive Size 10 TB 8 TB 6 TB 4 TB 3 TB 2 TB 1 TB
Specifications
Model Number1 WD100EFAX WD80EFZX WD60EFRX WD40EFRX WD30EFRX WD20EFRX WD10EFRX
Interface SATA 6 Gb/s
Formatted Capacity2 10 TB 8 TB 6 TB 4 TB 3 TB 2 TB 1 TB
Form factor 3.5-inch
Advanced Format (AF) Yes
Native Command Queuing Yes
RoHS Compliant3 Yes
Performance
Data transfer rate (max)
Buffer to host
host to/from drive (sustained)

6 Gb/s
210 MB/s

6 Gb/s
178 MB/s

6 Gb/s
175 MB/s

6 Gb/s
150 MB/s

6 Gb/s
147 MB/s

6 Gb/s
150 MB/s
Cache (MB) 64
Rotational Speed (RPM)3 5400 RPM Class
Reliability/Data Integrity
Load/unload cycles4 600,000
Non-recoverable read errors per bits read <1 in 1014
MTBF (hours)5 1,000,000
Workload Rate (TB/year)10 180
Limited warranty (years)6 3
Power Management
12VDC (A, peak) 1.79 1.75 1.73 1.20
Average power requirements (W) Read/Write: 5.7
Idle: 2.8
Standby: 0.5
Read/Write: 6.4
Idle: 5.2
Standby: 0.7
Read/Write: 5.3
Idle: 3.4
Standby: 0.4
Read/Write: 4.5
Idle: 3.3
Standby: 0.4
Read/Write: 4.1
Idle: 2.7
Standby: 0.4
Read/Write: 3.3
Idle: 2.3
Standby: 0.4
Environmental Specifications7
Operating Temperature8 0 to 65° C
Non-operating Temperature -40 to 70° C
Shock (Gs)
Operating (2 ms, read/write) 30
Operating (2 ms, read) 65
Non-operating (2 ms) 250 350
Average acoustics (dBA)9
Idle mode 20 25 23 21
Performance seek mode 29 28 24 22

1 Not all products may be available in all regions of the world.
2 As used for storage capacity, one megabyte (MB) = one million bytes, 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 WD 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.
4 Controlled unload at ambient condition.
5 Based on a typical NAS product environment under normal operating conditions.
6 The term of the limited warranty may vary by region. Visit http://support.wd.com/warranty for details.
7 No non-recoverable errors during operating tests or after non-operating tests.
8 On the base casting.
9 Sound power level.
10 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.

WD Red Datasheet (.PDF)