Top 10 WD Red Pro 4TB – Internal Hard Drives

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1. Western Digital

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Western Digital 4TB WD Red Pro NAS Internal Hard Drive HDD, WD4003FFBX, 7200 RPM, CMR, 256 MB Cache, SATA 6 Gb/s, 3.5"

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Western Digital #ad - Available in capacities ranging from 2-14TB with support for up to 24 bays. Extended drive testing to ensure each drive is tested for extended reliable operation. 5-year limited warranty. Supports up to 300 tb/yr workload rate 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. 7200rpm performance class. Workload rate is annualized TB transferred 8760 / recorded power-on hours.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1.03 Inches
Length5.79 Inches
Weight1.58 Pounds
Width4 Inches
Part NumberWD4003FFBX
ModelWD4003FFBX
WarrantyWestern 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 authorizeddistributor 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 Productis returned to an authorized return center in the region (warranty regions are identified as Canada, U.S.A., LatinAmerica, 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 limitedwarranty is provided by WD.

2. Western Digital

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Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive WD4002FFWX Renewed

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Western Digital #ad - Extended drive testing to ensure each drive is tested for extended reliable operation. Ships in wd-certified box for safe transit during shipping. Vibration & Shock protection. Enhanced reliability with 3D Active Balance Plus and error recovery controls with NASware 3. 0 Please purchase mounting hardware and cables separately if necessary. Package includes a hard drive only - no screws, cables, manuals included. Available in large capacities with support for 1-16 bays.
BrandWestern Digital #ad
ManufacturerWestern Digital Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Width4 Inches
Part NumberNA
ModelNA
Warranty90 days limited warranty

3. Western Digital

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WD4001FFSX, 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch, WD Red Pro 4TB NAS Hard Disk Drive

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Western Digital #ad - 5-year manufacturer limited warranty. Extended drive testing to ensure each drive for extended reliable operation. Enhanced reliability with 3D Active Balance Plus and error recovery prevention with NASware 3. 2. Package includes a hard drive only - no screws, cables, manuals included. Please purchase mounting hardware and cables separately if necessary. Most extensive NAS partner compatibility-testing list available.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1 Inches
Length5.8 Inches
Weight1.66 Pounds
Width4 Inches
Part NumberWD4001FFSX
ModelWD4001FFSX
Warranty5-year manufacturer limited warranty

4. Western Digital

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3.5" -WD40EFZX, CMR, 128 MB Cache, SATA 6 Gb/s, Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD, 5400 RPM

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Western Digital #ad - 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. Workload rate is annualized TB transferred 8760 / recorded power-on hours. Workload rate will vary depending on your hardware and software components and configurations. Small or medium business NAS systems in a 24x7 environment. Nasware firmware for compatibility.
BrandWestern Digital #ad
ManufacturerWestern Digital Technologies, Inc. #ad
Height1.03 Inches
Length5.79 Inches
Weight1.32 Pounds
Width4 Inches
Part NumberWD40EFZX
ModelWD40EFZX
Warranty3 year limited warranty

5. Seagate

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Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage, Data Recovery Service – Frustration Free Packaging ST4000NE001

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Seagate #ad - 2m hours MTBF. Ironwolf internal hard drives are the ideal solution for up to 24-bay, multi-user NAS server environments that demand powerhouse performance. Easily monitor nas drive health using the integrated IronWolf Health Management system, and enjoy long-term reliability with 1. Store more and work faster with a NAS hard drive that provides 4TB and speeds up to 214MB/s. Specifically built for less wear and tear, no lags or down time, little to no noise/vibration, lower power consumption, increased file-sharing performance, and extra data protection—even in the event of power loss.
BrandSeagate #ad
ManufacturerSEAGATE #ad
Height0.98 Inches
Length5.91 Inches
Width4.02 Inches
Part NumberST4000NEZ01/NE001
ModelST4000NEZ01
Warranty5 Year Limited

6. Western Digital

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5400 RPM, 3.5", WD40EFAX, 256MB Cache, SATA 6 Gb/s, SMR, Western Digital 4TB WD Red NAS Internal Hard Drive HDD

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Western Digital #ad - Workload rate is annualized TB transferred 8760 / recorded power-on hours. 5400rpm performance class. Nas systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations. 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. Nasware firmware for compatibility. 3-year limited warranty. Available in capacities ranging from 2-6TB with support for up to 8 bays.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height4 Inches
Length1.03 Inches
Weight1.2 Pounds
Width5.79 Inches
Part NumberWD40EFAX
ModelWD40EFAX
Warranty3-year manufacturer's limited warranty

7. Western Digital

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256 MB Cache, SATA 6 Gb/s, Western Digital 4TB WD Gold Enterprise Class Internal Hard Drive, WD4003FRYZ, 7200 RPM Class, 3.5"

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Western Digital #ad - Specifically designed for use in enterprise-grade data centers and storage systems. Conquer tough workloads with enterprise-grade wd gold hdds. Improve performance with our vibration protection technology. As used for storage capacity, one terabyte TB = one trillion bytes. Enhanced reliability with up to 2. 5m hours MTBF. Available in 1TB to 14TB* capacities. Total accessible capacity varies depending on operating environment.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1.03 Inches
Length5.79 Inches
Weight1.5 Pounds
Width4 Inches
Part NumberWD4003FRYZ
ModelWD4003FRYZ
Warranty5 years

8. Western Digital

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WD101KFBX Old Version, Western Digital 10TB WD Red Pro NAS Internal Hard Drive, 7200 RPM Class, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5"

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Western Digital #ad - Extended drive testing to ensure each drive is tested for extended reliable operation. Available in large capacities with support for 1 to 24 Bays. 0 technology. Vibration and shock protection. Enhanced reliability with 3d active Balance Plus technology and error recovery controls with NASware 3.
BrandWestern Digital #ad
ManufacturerWestern Digital Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Weight1.43 Pounds
Width4 Inches
Part NumberWD101KFBX
ModelWD101KFBX
WarrantyWestern 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.

9. Western Digital

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Western Digital 14TB WD Red Plus NAS Internal Hard Drive HDD, WD140EFFX, 5400 RPM, SATA 6 Gb/s, 512 MB Cache, CMR, 3.5"

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Western Digital #ad - Nasware firmware for compatibility. Workload rate is annualized TB transferred 8760 / recorded power-on hours. 5400rpm performance class. 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. 3-year limited warranty. Small or medium business NAS systems in a 24x7 environment. 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.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height4 Inches
Length1.03 Inches
Weight0.11 Pounds
Width5.79 Inches
Part NumberWD140EFFX
ModelWD140EFFX
Warranty3-year manufacturer's limited warranty

10. Western Digital

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WD 4TB Elements Portable External Hard Drive HDD, Mac, PS4 & Xbox, WDBU6Y0040BBK-WESN, USB 3.0, Compatible with PC

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Western Digital #ad - Improve PC performance. Compatibility may vary depending on user’s hardware configuration and operating system. Formatted ntfs for windows 10, Windows 8. 1. Usb 3. 0 and usb 2. 0 compatibility. Fast data transfers. High capacity. Reformatting may be required for other operating systems.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height0.83 Inches
Length4.4 Inches
Weight0.52 Pounds
Width3.2 Inches
Part NumberWDBU6Y0040BBK-WESN
ModelWDBU6Y0040BBK-WESN
Warranty2-year limited