Top 10 NAS HDD 4TB – Computer Internal Components

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1. Western Digital

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

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Western Digital #ad - 3-year limited warranty. Workload rate is annualized TB transferred 8760 / recorded power-on hours. Available in capacities ranging from 2-6TB with support for up to 8 bays. 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. 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.
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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3.5" -WD40EFZX, SATA 6 Gb/s, Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD, 5400 RPM, CMR, 128 MB Cache

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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. Small or medium business NAS systems in a 24x7 environment. 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. Workload rate will vary depending on your hardware and software components and configurations.
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

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, Rescue Services – Frustration Free Packaging ST4000VNZ06

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Seagate #ad - Store more and work faster with a nas-optimized hard drive providing ultra-high capacity up to 16TB and cache of up to 256MB. Easily monitor the health of drives using the integrated IronWolf Health Management system and enjoy long-term reliability with 1M hours MTBF.

Three-year limited warranty protection plan included and three year Rescue Data Recovery Services included. Purpose built for nas enclosures, increased file-sharing performance, no lags or down time, IronWolf delivers less wear and tear, little to no noise/vibration, and much more. Ironwolf internal hard drives are the ideal solution for up to 8-bay, multi-user NAS environments craving powerhouse performance.
BrandSeagate #ad
ManufacturerSEAGATE #ad
Height1.03 Inches
Length5.79 Inches
Weight1.21 Pounds
Width4.01 Inches
Part NumberST4000VNZ06
ModelST4000VNZ06
Warranty3-Year Limited

4. Western Digital

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3.5" -WD40EFPX, CMR, Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD, 5400 RPM, 256 MB Cache, SATA 6 Gb/s

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Western Digital #ad - Actual user capacity may be less depending on operating environment. Nasware firmware for compatibility. 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.

Built for small or medium business NAS systems in a 24/7 environment. Not all products may be available in all regions of the world. 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. Workload rate will vary depending on your hardware and software components and configurations.

Derating of mtbf will occur above these parameters, up to 65°C drive temperature. Workload rate is annualized TB transferred 8760 / recorded power-on hours. Mtbf does not predict an individual drive’s reliability and does not constitute a warranty. 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.
BrandWestern Digital #ad
ManufacturerWestern Digital Technologies, Inc. #ad
Height1.03 Inches
Length5.79 Inches
Weight1.5 Pounds
Width4 Inches
Part NumberWD40EFPX
ModelWD40EFPX
Warranty3 years limited warranty

5. Toshiba

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

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

6. Seagate

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Seagate 4TB IronWolf NAS SATA Hard Drive 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive for NAS Servers, Personal Cloud Storage ST4000VN008

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Seagate #ad - Higher capacity drives deliver up to 7200RPM spin speed along with sustained data rates up to 214MB/s and burst data rates of 6Gb/s. 3-year product warranty and 180TB/year workload limit. Compatible with 1- to 8-bay network attached storage NAS servers, home media server, personal cloud storage device. Included in box: Seagate IronWolf Drive. Performance hard drive 2tb/4tb/6tb/8tB/10TB/12TB/14TB.
BrandSeagate #ad
ManufacturerSEAGATE #ad
Height0.04 Inches
Length0.23 Inches
Weight1.34 Pounds
Width0.16 Inches
Part NumberST4000VN008
ModelST4000VN008

7. Western Digital

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

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Western Digital #ad - Extended drive testing to ensure each drive is tested for extended reliable operation. Actual user capacity may be less depending on operating environment. 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.

Workload rate is annualized TB transferred 8760 / recorded power-on hours. Enhanced reliability with 3d Active Balance Plus technology and error recovery controls with NASware 3. 0 technology. 5-year limited warranty3 | 3 See official Western Digital website for regional specific warranty details. 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.
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. BUFFALO

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BUFFALO TeraStation 6400DN 16TB 4x4TB Desktop NAS with HDD Included + Snapshot Protection Against Ransomware / 4 Bay / 10GbE / Storage Server/NAS Server/NAS Storage/Network Storage/File Server

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BUFFALO #ad - Purpose-built for data protection: Comes with 256-bit drive encryption, snapshots, a closed system, and flexible replication and backup features to keep your data safe. Free data recovery service: Qualifies for free simple logical data recovery with award winning support when registered.

10x as fast transfer speeds: 10gbe gives you 10X as fast transfer speeds as 1GbE with CAT 6A or higher-rated cabling. Cloud integration: sync with dropbox, Azure and OneDrive to create a hybrid cloud for extra data security, cost savings, and flexible scalability. Extended warranty options available. Peace of mind included: 3-year warranty includes hard drive coverage with 24/7, award-winning US-based support. Reliable storage w/ effortless setup: NAS-grade hard drives included with RAID 5 pre-configured for out-of-the-box protection to save you time and effort.

Native snapshot for data backup and protection: Secure your data from Cyper Threats such as Ransomware. Extend the life of your server: VMware Certified to expand storage capacity and extend your current servers using iSCSI and existing networking equipment. Made in japan: quality made data storage that is TAA compliant. Remote management service: Save time and resources by managing multiple NAS devices from a single console.
BrandBUFFALO #ad
ManufacturerBUFFALO #ad
Height8.5 Inches
Length9.1 Inches
Weight17.42 Pounds
Width6.7 Inches
Part NumberTS6400DN1604
ModelTS6400DN1604
Warranty3 year manufacturer

9. BUFFALO

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BUFFALO TeraStation 5410RN Rackmount NAS 16TB 4x4TB with HDD NAS Hard Drives Included 10GbE / 4 Bay/RAID/iSCSI/NAS/Storage Server/NAS Server/NAS Storage/Network Storage/File Server

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BUFFALO #ad - Remote management service included: Save time and resources by managing multiple NAS from a single console. Purpose-built for data protection: features 256-bit drive encryption, RAID options, a closed system, and flexible replication and backup features to keep your data safe.

16 tb capacity – 4 pre-tested, nas-grade hard drives included. 10x as fast transfer speeds: 10gbe gives you 10x as data fast transfer speeds as 1GbE with CAT 6A or higher-rated cabling. Reliable storage w/ effortless setup: RAID 5 pre-configured for out-of-the-box protection to save you time and effort. High quality hardware: made in Japan with pre-tested, NAS-grade hard drives included.  . Data recovery service: Device qualifies for free simple logical data recovery when registered. Peace of mind included: 3-year warranty includes hard drive coverage with 24/7, award-winning US-based support.

Ships in raid 5 for 12 tb usable capacity; can change to RAID 6 for more redundancy, or RAID 0 for full 16 TB. Extend the life of your server: VMware Certified to expand storage capacity and extend your current servers using iSCSI and existing networking equipment. Additional warranty options available. Cloud integration: sync with amazon s3, Azure and OneDrive to create a hybrid cloud for extra data security, cost savings, Dropbox, and flexible scalability.
BrandBUFFALO #ad
ManufacturerBUFFALO #ad
Height1.74 Inches
Length16.93 Inches
Weight18.52 Pounds
Width16.93 Inches
Part NumberTS5410RN1604
ModelTS5410RN1604
Warranty3 year

10. Seagate

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

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Seagate #ad - Easily monitor nas drive health using the integrated IronWolf Health Management system, and enjoy long-term reliability with 1. 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.

Specifically built for less wear and tear, increased file-sharing performance, little to no noise/vibration, no lags or down time, lower power consumption, and extra data protection—even in the event of power loss. Store more and work faster with a NAS hard drive that provides 4TB and speeds up to 214MB/s. Drive monitoring and reporting. Five-year limited warranty and two-year Rescue Data Recovery Services included. Support for S. M. A. R. T.
BrandSeagate #ad
ManufacturerSeagate Bare Drives #ad
Height1.03 Inches
Length5.79 Inches
Weight1.5 Pounds
Width4.01 Inches
Part NumberST4000NEZ025
ModelST4000NEZ025
Warranty5-year limited