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Mtbf does not predict an individual drive’s reliability and does not constitute a warranty. Not all products may be available in all regions of the world. Available in capacities ranging from 1-14tb1 with support for up to 8 bays | 1 1MB = 1 million bytes, 1GB = 1 billion bytes, and 1TB = 1 trillion bytes.
Actual user capacity may be less depending on operating environment. 3-year limited warranty3 | 3 mtbf specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions: workload of 90TB/year and drive temperature of 40°C. Derating of mtbf will occur above these parameters, up to 65°C drive temperature.

0 technology. Extended drive testing to ensure each drive is tested for extended reliable operation. Actual user capacity may be less depending on operating environment. Workload rate is annualized TB transferred 8760 / recorded power-on hours.


Supports up to 180 tb/yr workload rate*| * workload rate is defined as the amount of user data transferred to or from the hard drive. Available in capacities ranging from 1-14TB with support for up to 8 bays.



Workload rate will vary depending on your hardware and software components and configurations. Workload rate is annualized TB transferred 8760 / recorded power-on hours.


1. Western Digital
#ad
5400 RPM, 256 MB Cache, 3.5" -WD40EFPX, SATA 6 Gb/s, CMR, Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD
#adWestern Digital #ad - Nasware firmware for compatibility. Built for small or medium business NAS systems in a 24/7 environment. Supports up to 180 tb/yr workload rate2 | 2 workload rate is defined as the amount of user data transferred to or from the hard drive.Mtbf does not predict an individual drive’s reliability and does not constitute a warranty. Not all products may be available in all regions of the world. Available in capacities ranging from 1-14tb1 with support for up to 8 bays | 1 1MB = 1 million bytes, 1GB = 1 billion bytes, and 1TB = 1 trillion bytes.
More information #ad
Workload rate will vary depending on your hardware and software components and configurations. Workload rate is annualized TB transferred 8760 / recorded power-on hours. Actual user capacity may be less depending on operating environment. 3-year limited warranty3 | 3 mtbf specifications are based on a sample population and are estimated by statistical measurements and acceleration algorithms under typical operating conditions: workload of 90TB/year and drive temperature of 40°C. Derating of mtbf will occur above these parameters, up to 65°C drive temperature.
Brand | Western Digital #ad |
Manufacturer | Western Digital Technologies, Inc. #ad |
Height | 1.03 Inches |
Length | 5.79 inches |
Weight | 1.5 Pounds |
Width | 4 inches |
Part Number | WD40EFPX |
Model | WD40EFPX |
Warranty | 3 years limited warranty |
More information #ad
2. Western Digital
#ad
CMR, 3.5", WD141KFGX, 512 MB Cache, SATA 6 Gb/s, Western Digital 14TB WD Red Pro NAS Internal Hard Drive HDD, 7200 RPM
#adWestern Digital #ad - 5-year limited warranty3 | 3 See official Western Digital website for regional specific warranty details. Enhanced reliability with 3d Active Balance Plus technology and error recovery controls with NASware 3.0 technology. Extended drive testing to ensure each drive is tested for extended reliable operation. Actual user capacity may be less depending on operating environment. Workload rate is annualized TB transferred 8760 / recorded power-on hours.
More information #ad
Workload rate will vary depending on your hardware and software components and configurations. Available in capacities ranging from 2 to 22tb1 with support for naS systems with up to 24 bays | 1 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Supports up to 300tb/yr workload rate2 | 2 workload rate is defined as the amount of user data transferred to or from the hard drive.Brand | Western Digital #ad |
Manufacturer | Western Digital #ad |
Height | 4 Inches |
Length | 1.03 Inches |
Weight | 0.11 Pounds |
Width | 5.79 Inches |
Part Number | WD141KFGX |
Model | WD141KFGX |
Warranty | 5-year manufacturer's limited warranty |
More information #ad
3. Western Digital
#ad
SATA III 6 Gb/s, 2.5"/7mm, WDS200T1R0A, Western Digital 2TB WD Red SA500 NAS 3D NAND Internal SSD, Up to 560 MB/s
#adWestern Digital #ad - Reduces latency and improves responsiveness for oltp databases, 4K and 8K video editing, photo rendering, multi-user environments, and more. Storage optimized for caching in NAS systems to rapidly access your most frequently used files.More information #ad
Purpose-built for nas with proven western Digital 3D NAND to deliver maximum SATA performance to both home and business users. Superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment.Brand | Western Digital #ad |
Manufacturer | Western Digital #ad |
Height | 0.28 Inches |
Length | 3.95 Inches |
Weight | 0.01 Pounds |
Width | 2.75 Inches |
Part Number | WDS200T1R0A |
Model | WDS200T1R0A |
Warranty | 5-year manufacturer's limited warranty |
More information #ad
4. Western Digital
#ad
5400 RPM, 64 MB Cache, 3.5", WD30EFRX, CMR, SATA 6 Gb/s, Western Digital 3TB WD Red Plus NAS Internal Hard Drive HDD
#adWestern Digital #ad - During this transition period, wd red plus devices may be delivered with a ”WD Red” label, but rest assured the device you are receiving will be the CMR-version of WD Red and can be confirmed by the model number.Supports up to 180 tb/yr workload rate*| * workload rate is defined as the amount of user data transferred to or from the hard drive. Available in capacities ranging from 1-14TB with support for up to 8 bays.
More information #ad
Nasware firmware for compatibility. 5400rpm performance class. Workload rate is annualized TB transferred 8760 / recorded power-on hours. 3-year limited warranty. This model uses cmr technology and is being renamed “WD Red Plus” to distinguish it from the current “WD Red” product, which uses SMR technology. Small or medium business NAS systems in a 24x7 environment.Brand | Western Digital #ad |
Manufacturer | Western Digital #ad |
Height | 1.03 Inches |
Length | 5.7 Inches |
Weight | 0.82 Pounds |
Width | 4 Inches |
Part Number | WD30EFAX |
Model | WD30EFRX |
Warranty | Western Digital ("WD") values your business and always attempts to provide you the very best of service. No limited warranty is provided by WD unless your WD Product ("Product") was purchased from an authorized distributor or authorized reseller. Distributors may sell Products to resellers who then sell Products to end users. Please see below for warranty information or obtaining service. No warranty service is provided unless the Product is returned to an authorized return center in the region (warranty regions are identified as Canada, U.S.A., Latin America, Europe, Middle East, Africa, Asia Pacific, India and Thailand) where the Product was first shipped by WD, which may have regional specific warranty implications. If your Product was purchased as a component integrated within a system by a system manufacturer, no limited warranty is provided by WD. |
More information #ad
5. Western Digital
#ad
WDS100T1R0C, Western Digital 1TB WD Red SN700 NVMe Internal Solid State Drive SSD for NAS Devices, Gen3 PCIe, M.2 2280, Up to 3,430 MB/s
#adWestern Digital #ad - 1gb = 1 billion bytes and 1tb = one trillion bytes. Purpose-built and tested to be compatible with popular NAS systems. Tackle nas workloads with exceptional reliability and endurance. Perfect for multitasking applications with multiple users.More information #ad
Scale your nas device with huge capacities up to 4TB*. Robust system responsiveness and exceptional I/O performance. Actual user capacity may be less, depending on operating environment. Tame tough projects like virtualization and collaborative editing.Brand | Western Digital #ad |
Manufacturer | Western Digital Technologies, Inc. #ad |
Height | 0.09 Inches |
Length | 3.15 Inches |
Weight | 0.02 Pounds |
Width | 0.87 Inches |
Part Number | WDS100T1R0C |
Model | WDS100T1R0C |
Warranty | 5 year manfacturer limited warranty |
More information #ad
6. Western Digital
#ad
WD Red Plus 12TB NAS 3.5" Internal Hard Drive, 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, CMR
#adWestern Digital #ad - Compatibility: unlike desktop drives, these 3. 5” hdds are specifically tested for compatibility with NAS systems for optimum performance. Reliability: the always-on environment of a nas or RAID is a hot one, and desktop drives aren’t typically designed and tested under those conditions like WD Red Plus drives are.More information #ad
Error recovery controls: wd red plus nas hard drives are specifically designed with RAID error recovery control to help reduce failures within the NAS system.Brand | Western Digital #ad |
Manufacturer | Western Digital #ad |
Height | 2.75 Inches |
Length | 8 Inches |
Width | 5.25 Inches |
Part Number | WDBC9V0120HH1-WRSN |
Model | WDBC9V0120HH1-WRSN |
Warranty | WD 3 Year Limited Warranty |
More information #ad
7. Western Digital
#ad
WD Red Pro 2TB NAS Hard Disk Drive, 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch, WD2001FFSX Renewed WD Factory Recertified
#adWestern Digital #ad - 1 year Warranty. Western digital Manuacturer Renewed / Recertified. Extended drive testing to ensure each drive is tested for extended reliable operation.Workload rate will vary depending on your hardware and software components and configurations. Workload rate is annualized TB transferred 8760 / recorded power-on hours.
More information #ad
Zero power on Hours. Supports up to 300tb/yr workload rate2 | 2 workload rate is defined as the amount of user data transferred to or from the hard drive. Enhanced reliability with 3d Active Balance Plus technology and error recovery controls with NASware 3. 0 technology.Brand | Western Digital #ad |
Manufacturer | Western Digital #ad |
Warranty | 1 Year Limited |
More information #ad
8. Western Digital
#ad
Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD, WD80EFBX, 256 MB Cache, 7200 RPM, CMR, SATA 6 Gb/s, 3.5"
#adWestern Digital #ad - Small or medium business nas systems in a 24x7 environment. Workload rate is annualized TB transferred 8760 / recorded power-on hours. Workload rate will vary depending on your hardware and software components and configurations.More information #ad
Nasware firmware for compatibility. Available in capacities ranging from 1-14TB with support for up to 8 bays. Supports up to 180 tb/yr workload rate workload rate is defined as the amount of user data transferred to or from the hard drive. Transfer rate-up to 150MB/s.Brand | Western Digital #ad |
Manufacturer | Western Digital #ad |
Height | 4 Inches |
Length | 1.03 Inches |
Weight | 1.58 Pounds |
Width | 5.79 Inches |
Part Number | WD80EFBX |
Model | WD80EFBX |
Warranty | 3-year limited warranty |
More information #ad
9. Western Digital
#ad
7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch, WD Red Pro 4TB NAS Hard Disk Drive, WD4001FFSX
#adWestern Digital #ad - Please purchase mounting hardware and cables separately if necessary. Most extensive NAS partner compatibility-testing list available. 5-year manufacturer limited warranty.More information #ad
Package includes a hard drive only - no screws, cables, manuals included. Enhanced reliability with 3D Active Balance Plus and error recovery prevention with NASware 3. 2. Extended drive testing to ensure each drive for extended reliable operation.Brand | Western Digital #ad |
Manufacturer | Western Digital #ad |
Height | 1 Inches |
Length | 5.8 Inches |
Weight | 1.66 Pounds |
Width | 4 inches |
Part Number | WD4001FFSX |
Model | WD4001FFSX |
Warranty | 5-year manufacturer limited warranty |
More information #ad