Top 9 WD Red 4TB NAS Hard Disk Drive – Internal Hard Drives

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1. Western Digital

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WD40EFRX Renewed, 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch, WD Red 4TB NAS Hard Disk Drive

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Western Digital #ad - Small and home office NAS systems in a 24/7 environment. 3-year manufacturer's limited warranty. Specifically designed for use in NAS systems with up to 8 bays. Nasware firmware for compatibility. Workload rate is annualized TB transferred times 8760 / recorded power-on hours. Workload rate will vary depending on your hardware and software components and configurations. 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.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1 Inches
Length5.8 Inches
Width4 Inches
Part NumberWD40EFRX-cr
ModelWD40EFRX#CR
Warranty90 days limited warranty

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

3. Western Digital

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

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Western Digital #ad - 3-year limited warranty. 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. 5400rpm performance class. Available in capacities ranging from 2-6TB with support for up to 8 bays. Nas systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations. Workload rate is annualized TB transferred 8760 / recorded power-on hours.
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

4. Western Digital

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

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Western Digital #ad - 5 year Limited warranty. Extended drive testing to ensure each drive is tested for extended reliable operation. Vibration and shock protection. 0 technology. Enhanced reliability with 3d active Balance Plus technology and error recovery controls with NASware 3. Available in large capacities with support for 1 to 24 Bays.
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.

5. Western Digital

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

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Western Digital #ad - Available in capacities ranging from 1-14TB with support for up to 8 bays. 3-year limited warranty. Workload rate will vary depending on your hardware and software components and configurations. 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. Small or medium business NAS systems in a 24x7 environment. Workload rate is annualized TB transferred 8760 / recorded power-on hours.
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

6. Western Digital

#ad

WD100EFAX Old Version, SATA 6 Gb/s, Western Digital 10TB WD Red NAS Internal Hard Drive, 5400 RPM Class, CMR, 256 MB Cache, 3.5"

#ad
Western Digital #ad - Suppots 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 times 8760 / recorded Power on hours; Workload Rate will vary depending on Your hardware and Software components and configurations. Nasware firmware for Compatibility. Small and home office NAS systems in a 24/7 environment. Specifically designed for use in NAS systems with up to 8 bays. 3 year manufacturer's limited warranty.
BrandWestern Digital #ad
ManufacturerWestern Digital Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Weight1.43 Pounds
Width4 Inches
Part NumberWD100EFAX
ModelWD100EFAX
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.

7. Western Digital

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

#ad
Western Digital #ad - 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. 5-year limited warranty. Extended drive testing to ensure each drive is tested for extended reliable operation. Workload rate is annualized TB transferred 8760 / recorded power-on hours. 7200rpm performance class. Available in capacities ranging from 2-14TB with support for up to 24 bays.
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.

8. Western Digital

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WD Red 8TB NAS Hard Disk Drive, WD80EFZX, 5400 RPM Class SATA 6 Gb/s 128MB Cache 3.5 Inch

#ad
Western Digital #ad - Package includes a hard drive only - no screws, cables, manuals included. Ships in wd-certified box for safe transit during shipping. Please purchase mounting hardware and cables separately if necessary. Specifically designed for use in NAS systems with up to 8 bays. Small and home office NAS systems in a 24x7 enviornment. Tested for 24x7 reliability. 3-year limited warranty. Nasware firmware for compatibility.
BrandWestern Digital #ad
ManufacturerWestern Digital Bare Drives #ad
Height5.8 Inches
Length4 Inches
Weight1.4 Pounds
Width1.03 Inches
Part NumberWD80EFZX
ModelWD80EFZX
WarrantyProduct: 3 years warranty

9. Seagate

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Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging ST4000VN008

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Seagate #ad - Ironwolf internal hard drives are the ideal solution for up to 8 bay, multi user NAS environments craving powerhouse performance. Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long term reliability with 1M hours MTBF.

Purpose built for nas enclosures, ironwolf delivers less wear and tear, little to no noise/vibration, no lags or down time, increased file sharing performance, and much more. Store more and work faster with a NAS optimized hard drive providing 4TB and cache of up to 64MB. Five-year limited product warranty protection plan and three year Rescue Data Recovery Services included.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Weight1.35 Pounds
Width4.01 Inches
Part NumberST4000VNZ008
ModelST4000VN008
Warranty3-year limited