Top 9 WD Red 4TB – Internal Hard Drives

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1. Western Digital

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

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Western Digital #ad - 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. Nas systems with daily workloads associated with personal and home office environments and idle time available to perform necessary background operations. Available in capacities ranging from 2-6TB with support for up to 8 bays. Workload rate is annualized TB transferred 8760 / recorded power-on hours. 5400rpm performance class. 3-year limited warranty.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height4 Inches
Length1.03 Inches
Weight0.6 Kilograms
Width5.79 Inches
Part NumberWD40EFAX
ModelWD40EFAX
Warranty3-year manufacturer's limited warranty

2. Western Digital

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

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Western Digital #ad - Available in capacities ranging from 2-14TB with support for up to 24 bays. 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. Extended drive testing to ensure each drive is tested for extended reliable operation. 7200rpm performance class. Enhanced reliability with 3d Active Balance Plus technology and error recovery controls with NASware 3. 0 technology. Workload rate is annualized TB transferred 8760 / recorded power-on hours.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1.03 inches
Length5.79 inches
Weight1.5 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. 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 - Purpose built for nas enclosures, ironWolf delivers less wear and tear, increased file sharing performance, little to no noise/vibration, no lags or down time, and much more.

Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long term reliability with 1M hours MTBF. Store more and work faster with a NAS optimized hard drive providing 4TB and cache of up to 64MB. Ironwolf internal hard drives are the ideal solution for up to 8 bay, multi user NAS environments craving powerhouse performance. 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
Width4.01 Inches
Part NumberST4000VNZ008
ModelST4000VNZ08
Warranty3-year limited

4. Western Digital

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WD120EFAX, CMR, SATA 6 Gb/s, 5400 RPM Class, 3.5", 256 MB Cache, Western Digital 12TB WD Red Plus NAS Internal Hard Drive

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Western Digital #ad - 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. Nasware firmware for compatibility.

3-year limited warranty. 5400rpm performance class. 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. 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. Small or medium business NAS systems in a 24x7 environment. Available in capacities ranging from 1-14TB with support for up to 8 bays.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height1.03 Inches
Length5.79 Inches
Weight1.54 Pounds
Width4 Inches
Part NumberWD120EFAX
ModelWD120EFAX
Warranty3-year limited manufacturer

5. Western Digital

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SATA III 6 Gb/s, 2.5"/7mm, Up to 560 MB/s, Western Digital 4TB WD Red SA500 NAS 3D NAND Internal SSD, WDS400T1R0A

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Western Digital #ad - Storage optimized for caching in NAS systems to rapidly access your most frequently used files. Purpose-built for nas with proven western Digital 3D NAND to deliver maximum SATA performance to both home and business users. Reduces latency and improves responsiveness for oltp databases, multi-user environments, 4K and 8K video editing, photo rendering, and more.5-year manufacturer's limited warranty. Superior endurance can handle the heavy read and write loads demanded by NAS, giving you the reliability you need in a 24/7 environment.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height0.28 Inches
Length3.95 Inches
Width2.75 Inches
Part NumberWDS400T1R0A
ModelWDS400T1R0A
Warranty5-year manufacturer's limited warranty

6. Western Digital

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WDBYFT0040BRD-WESN, WD 4TB Red My Passport Portable External Hard Drive, USB 3.0

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Western Digital #ad - 3-year manufacturer's limited warranty. Requires reformatting for Mac OS X operating system. System compatibility: windows 10, windows 8. 1, windows 7. Usb 3. 0 port; usb 2. 0 compatible. Password protection with hardware encryption. Trusted drive built with WD reliability. Auto backup with included WD Backup software.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad
Height0.85 Inches
Length4.33 Inches
Weight0.8 Pounds
Width3.21 Inches
Part NumberWDBYFT0040BRD-WESN
ModelWDBYFT0040BRD-WESN
Warranty2-year limited warranty

7. Western Digital

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

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

8. Western Digital

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Red + Compact Hard Drive Case Red 4TB, WD 4TB My Passport USB 3.2 Gen 1 Slim Portable External Hard Drive 2019, Red

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Western Digital #ad - This on-the-go storage solution is perfect for traveling with a peace of mind! Hard drive features: 4tb storage capacity - usb 3. 0 type-c interface usb 3. 1 gen 1 - bus-powered, no external power Required - 256-Bit AES Hardware Encryption.

Ample storage: with the high capacity of 4TB, you can store and back up all of your files. Bundle includes: wd 4tb my passport usb 3. 2 gen 1 external hard drive 2019, Red + Case Logic Portable Hard Drive Case Red. Shop with confidence: photo4less is a western digital authorized dealER. Exclusive bundle: this unique bundle is just what you need to keep your data safe and secure at all times. Rest assured knowing that your purchase is fully backed by Western Digital with Photo4less exceptional Customer Service. Its durability, and slim form makes it perfect no matter where you are.
BrandWestern Digital #ad
ManufacturerWestern Digital #ad

9. Western Digital

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Red, WDBPKJ0040BRD-WESN, WD 4TB My Passport Portable External Hard Drive

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Western Digital #ad - Superspeed usb port; USB 2. 0 compatible. Slim design. Password protection + 256-bit AES hardware encryption. Automatic backup - easy to use. Wd discovery software for WD Backup, password protection and drive management.
BrandWestern Digital #ad
ManufacturerWD #ad
Height0.75 Inches
Length4.22 Inches
Width2.95 Inches
Part NumberWDBPKJ0040BRD-WESN
ModelWDBPKJ0040BRD-WESN
Warranty3-year manufacturer's limited warranty