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

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1. Western Digital

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

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

2. Western Digital

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

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Western Digital #ad - Enhanced reliability with 3d Active Balance Plus technology and error recovery controls with NASware 3. 0 technology. 5-year limited warranty. 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. 7200rpm performance class. Workload rate is annualized TB transferred 8760 / recorded power-on hours. 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.
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.

3. Western Digital

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

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

4. Western Digital

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CMR, 3.5" -WD40EFZX, 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. Workload rate is annualized TB transferred 8760 / recorded power-on hours. Nasware firmware for compatibility. Small or medium business NAS systems in a 24x7 environment. 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 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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Data Recovery Service – Frustration Free Packaging ST4000NE001, Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage

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

6. Toshiba

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Toshiba N300 4TB NAS 3.5-Inch Internal Hard Drive, CMR SATA 6 GB/s 7200 RPM 256 MB Cache, HDWG440XZSTA

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Toshiba #ad - Built for small office and home office NAS. High reliability with up to 180TB/year workload rating6. High performance 7200 RPM drive with large cache size. Integrated RV sensors to compensate for rotational vibrations. Designed for 24/7 operation9.
BrandToshiba #ad
ManufacturerToshiba #ad
Height1.03 Inches
Length5.79 Inches
Weight1.53 Pounds
Width4 Inches
Part NumberHDWG440XZSTA
ModelHDWG440XZSTA
Warranty3 year limited manufacturer

7. Western Digital

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

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

8. Western Digital

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WDBBGB0040HBK-NESN, WD 4TB My Book Desktop External Hard Drive, USB 3.0

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Western Digital #ad - Auto backup with included WD Backup software and Time Machine compatibility. Password protection with hardware encryption. Usb 3. 0 port; usb 2. 0 compatible. Trusted storage built with WD reliability.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height6.7 Inches
Length5.5 Inches
Weight0.37 Pounds
Width1.9 Inches
Part NumberWDBBGB0040HBK-NESN
ModelWDBBGB0040HBK-NESN
Warranty2-year limited warranty

9. Seagate

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Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004

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Seagate #ad - Confidently rely on internal hard drive technology backed by 20 years of innovation; Max sustained transfer rate ODMB/s: 190 MB/s. The go to sata hard drive solution for nearly every PC application from music to video to photo editing to PC gaming. Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives. Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height0.79 Inches
Length5.79 Inches
Weight1.08 Pounds
Width4 Inches
Part NumberST4000DMZ04
ModelST4000DMZ04
Warranty2 Years

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