Top 6TB Internal Hard Drive That You Can Buy For Your Desktop, Server, NAS Or CCTV DVR

Report Data Collected On: 1/Dec/2019

Thinking of buying a Hard Drive for your cloud or computer system? Storage is the fundamental requirement of any computer devices and choosing a 6TB hard drive is good to go option for your mid-range RAID setup, desktop or a surveillance system.

SSDs are great but they come with limited storage in-built with them, the user usually requires some additional storage to suffice their varied needs. This is where the role of hard drives comes into play.

Though there are several lucrative storage options available out there like cloud storage, DropBox, and so more, we might still need internal hard drives that are capable of improving the overall speed as well as the capacity for the given operating system, program files, and the overall system.

For some special applications, you might need hard drives delivering some exceptional performance.

Individuals might need different hard drives for different purposes. For instance, if you need to do some important tasks of recording & editing high-quality videos, then you might hard drives with bigger storage.




So, Let’s See How Many Perfect 6 TB Hard Disk Drive Are Available:


#Best ‘Desktop Grade Hard Drive’ Under 6 TB Category


3rd 3.5 Inch – Seagate Barracuda ‘ST6000DM003’

  • RPM: 7200
  • Read and Write Speed: 196 MB/s, 180 MB/s
  • Cache Size: 256 MB
  • Warranty: 2 Years
  • Price Tag: 109.99$ Approx. {Check Current Price}

About it: Seagate Barracuda ST6000DM003 is a leading 3.5 inch SATA Hard Disk drive and it is mainly designed for desktops. The HDD comes in a range of different sizes up to 8 TB and you can store almost everything from all your music to videos, files, games and much more without worrying about the space. This HDD from Seagate is a perfect upgrade for your laptop or desktop computer as it is much faster and reliable than other Desktop grade hard drives like WD Blue.

Barracuda runs on 6Gb/Sec SATA interface for blazing-fast performance. It is amazingly versatile and is also reliable as well as dependable and off-course super-fast performing HDD for Desktops or desktop related uses like homer servers, DAS, all in one computer, etc.

Talking in terms of performance this HDD has a data transfer rate of 600 MBPS and an internal transfer rate of 196 MBPS. The average latency of the drive is 6ms and it has a load-unload cycle of 600,000 times. The drive is coupled with Intel Optane memory which is actually one of the most advanced classes of non-volatile memory. Then it also has multi-tier cache technology. All this makes the HDD capable of delivering SSD like performance and reliability.

It is a low power consuming drive ideal for long use. It is also protected for data loss by Seagate and has SED based data security. There is also a secure erase feature which is ideal for drive retirement. It is also protected by 2 years limited warranty from Seagate.

In my Opinion;

It really is a great drive if you’re on a tight budget, but did you know that you can get bigger storage and better performance in only 149$ if you buy an 8TB hard drive.

Link: Top & Best 8TB HDD (Hard Disk Drive) – Monthly Updated

Seagate BarraCuda 6TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST6000DM003)

Click on link to check out the current price of “Seagate Barracuda ST6000DM003“: @Amazon US ($109.99), @Amazon UK (£134.45)@Amazon IND (₹21,460.00), @BestBuy (N/A),  @Walmart ($139.94), @Newegg ($137.99).


2nd 3.5 Inch – Seagate BarraCuda Pro ‘ST6000DM004’

  • RPM: 7200
  • Read and Write Speed: 205 MB/s, 202.5 MB/s
  • Cache Size: 256 MB
  • Warranty: 2 Years
  • Price Tag: 180.00$ Approx. {Check Current Price}

About it: The Barracuda Pro from Seagate is a high-speed Hard disk drive designed for desktops. It is one of the fastest hard drives which delivers 7200 RPM Spin and can reach up to 205 MB/ Sec Sustained data rates. Seagate Barracuda is a perfect HDD for desktops and PC’s, Entry-level direct-attached storage devices or (DAS), Home Servers.

The Barracuda Pro from Seagate is a versatile and reliable storage solution that offers enormous space to store all your files without worrying about the space. This 3.5 inch HDD is available in a range of different sizes from 2 TB to 14 TB. The drive weighs just 1.72 pounds and it has low power consumption and noise-free operation so that you can use it all day long. It is a very economical HDD.

What makes this drive different is that it comes equipped with multi-tier caching technology that makes loading and processing files much faster. The data flow is further improved by intelligent NAND Flash DRAM which works well with media cache technology. This greatly improves the read-write speeds. Thanks to these advanced technologies the maximum write speed the Barracuda pro can produce is 202.5 MB/Sec. It also has a large cache memory of 256 MB.

This next-generation HDD comes with Ultimate Data Recovery Service and you can contact Seagate customer support for any queries. It is also protected against all kinds of accidental, mechanical and natural disasters. Then it is also backed by 5 years warranty by Seagate making it a great and reliable choice.

In my Opinion;

This drive surely looks reliable but like always, I have a better deal for you if you stay to continue with the list.

Seagate BarraCuda Pro 6TB Internal Hard Drive Performance HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256MB Cache for Computer Desktop PC Laptop, Data Recovery – Frustration Free Packaging (ST6000DM004)

Click on link to check out the current price of “Seagate BarraCuda Pro ST6000DM004“: @Amazon US ($180.00), @Amazon UK (£221.04)@Amazon IND (₹34,999.00), @BestBuy (N/A), @Walmart ($242.45), @Newegg ($223.99).


1st 3.5 Inch – WD Black ‘WD6003FZBX’

  • RPM: 7200
  • Read and Write Speed: 240 MB/s, 235 MB/s
  • Cache Size: 256 MB
  • Warranty: 5 Years
  • Price Tag: 209.90$ Approx. {Check Current Price}

About it: The Western Digital Black 6 TB hard drive has been designed for offering a wide spectrum of demanding use cases, from small to medium-scale enterprises, servers or storages and for the enclosures of rack-mount datacenter storage or servers.

The Western Digital Black 6 TB hard drive is capable of handling around immensely large workloads on a yearly basis with the MTBF of around 2.5 million hours. The design is well suited for boosting the overall performance of complex computing which serves to be perfect for gaming and creative users.

It can be referred to as one of the best hard drives available out there. This hard drive leverages Advanced StableTrac Technology. With the help of this technology, the hard drive is able to increase the overall performance, power efficiency, capacity per square foot, and lower power consumption which might be needed for operating in multiple data centers & environments of different sizes in an effective manner.

As far as performance is concerned, Western Digital Black 6 TB hard drive claims to be capable of around 18 percent increased sequential performance.

In my Opinion;

If you really looking for a drive with ultimate performance and specifications then it’s better to get an enterprise-grade hard drive. Our top first drive of the enterprise-class category can go up to 252 MB/s and only costs 226$.

WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 128MB Cache 3.5 Inch - WD6002FZWX

Click on link to check out the current price of “WD Black WD6003FZBX“: @Amazon US ($202.90), @Amazon UK (£223.00)@Amazon IND (₹40,399.00), @BestBuy (N/A), @Walmart ($293.51), @Newegg ($202.99).


#Best ‘NAS Grade Hard Drive’ Under 6 TB Category


3rd 3.5 Inch – Seagate IronWolf ‘ST6000VN0033’

  • RPM: 7200
  • Read and Write Speed: 205 MB/s, 215 MB/s
  • Cache Size: 256 MB
  • Warranty: 3 Years
  • Price Tag: 134.99$ Approx. {Check Current Price}

About it: Seagate Iron Wolf is another very popular and reliable NAS server storage solution. This series of HDD is available in various capacity models from 2TB, to 10TB. The HDD is designed by Seagate for extremely fast sequential performance. This 3.5 inch HDD is much faster in terms of rotation than its popular competitors. Seagate IronWolf ST6000VN0033 has a rotation per minute of 7200 RPM and has a cache memory of 256 MB for speedy reads and writes performance while most old NAS grade HDD still has lower 5200 RPM and 128MB cache.

IronWolf is mainly designed for performance and it is really fast. The drives work on the SATA interface and the maximum transfer rate of the drive if of 205 MBPS. Seagate IronWolf is suitable for up to 8 bays and comes with advanced drive protection features. Its operation is noise-free, it delivers less wear and tear and there is no downtime or lags which is a major demand for NAS system.

Seagate has added several other features of the drives making it more reliable as well as user-friendly. Some of its main features include. IronWolf health management technology which safeguards the health of your stored data, Rotational Vibrations sensors manages and fixes vibrations that enhance the life and performance of the hard drives, optimized with RAID performance for increased responsiveness and advanced power management system which makes it energy efficient.

The drive is back up by 5 years warranty by Seagate against manufacturing defects and you can easily contact their customer support team in case of any issues. All this makes Seagate IronWolf ST6000VN0033 a top-performing HDD for NAS.

In my Opinion;

If you need something under a budget, then that’s the drive for you.

Seagate ST6000VN0033 Iron Wolf Multimedia Server Storage 6TB Internal Hard Drive 3.5" - SATA

Click on link to check out the current price of “Seagate IronWolf ST6000VN0033“: @Amazon US ($134.99), @Amazon UK (£185.00)@Amazon IND (₹22,999.00), @BestBuy (N/A),  @Walmart ($194.74), @Newegg ($159.99).


2nd 3.5 Inch – Western Digital Red Pro ‘WD6003FFBX’

  • RPM: 7200
  • Read and Write Speed: 233 MB/s, 230 MB/s
  • Cache Size: 256 MB
  • Warranty: 5 Years
  • Price Tag: 203.99$ Approx. {Check Current Price}

About it: Western Digital Red Pro WD6003FFBX is a new member of the WD Red Series and is a perfect hard drive for NAS. The Red Pro HDD comes with a 50% space boost when compared to previous models.

This drive is designed to address all the needs of NAS Servers. It is an ideal choice for SMB’s and remote offices relying on NAS storage drives. The Red comes in many different storage sizes starting from 2 TB and going all the way to 14TB and you can choose the one as per your needs.

Red Pro Series drives from Western Digital is faster than the Red line as it has a spindle speed of 7.2k RPM. It comes with features like extended thermal burn-in, compensation for hardware-based damage and long warranty life. It also leverages WD built-in firmware technology, extensive data protection, NASware 3.0 which deliver optimum performance in the NAS environment. In addition to these, there is also fly height technology used in the drive that adjusts the read-write speeds so that you do not face any data loss in the future. The drive has an RPM of 7200, 256 MB cache memory and goes up to 233 MBPS Speed.

Talking about the reliability features WD has used multi-axis shock sensors that detect every shock event. It is backed by 5 years warranty from WD. The drives are designed to process an enormous amount of data and data security feature ensures its protection. With a load-unload cycle of 600,000 times and 300 TB/Y endurance, you can surely go for Western Digital Red Pro for all your NAS needs.

In my Opinion;

You just can’t judge this drive in terms of reliability and compatibility. It’s the only one on the list which can easily work with a 24-Bay NAS or a Server configuration.

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

Click on link to check out the current price of “Western Digital Red Pro WD6003FFBX“: @Amazon US ($203.99), @Amazon UK (£220.90)@Amazon IND (₹26,999.00), @BestBuy (N/A),  @Walmart ($641.44), @Newegg ($203.99).


1st 3.5 Inch – Seagate IronWolf Pro ‘ST6000NE0021’

  • RPM: 7200
  • Read and Write Speed: 240 MB/s, 242 MB/s
  • Cache Size: 256 MB
  • Warranty: 5 Years
  • Price Tag: 199.99$ Approx. {Check Current Price}

About it: Here’s another drive from Seagate’s IronWolf family but this a Pro version and will definitely suitable for all your NAS requirements and was specially made for the hardcore RAID setup.

This hard drive is available with the smart AgileArray technology that aims to focus on the overall drive balance and RAID optimization. The IronWolf Pro series are equipped with Rotational Vibration (RV) sensors that control the vibration resulting in long terms performance and high reliability.

It comes with 7200 RPM and utilizes the 3.5-inch format. The hard drive also uses the SATA 6Gb/s interface and comes as 26.1 mm tall in dimension. It has 256 MB cache memory and Just like other models of the Seagate IronWolf version, the 6 TB model of the hard drive also comes with a 5-year warranty.

In addition to this, it also comes with the service of advanced data rescue which is available for free for 2 years.

Other features of the hard drive include recovery control, power management, and purpose-built overall structure.

In my Opinion;

This is actually the old model but believe it or not, it performs way better than the new one (ST6000NE0023).

Seagate IronWolf Pro 6TB NAS Internal Hard Drive HDD – 3.5 Inch Sata 6Gb/s 7200 RPM 256MB Cache for Raid Network Attached Storage, Data Recovery Service – Frustration Free Packaging (ST6000NE0021)

Click on link to check out the current price of “Seagate IronWolf Pro ST6000NE0021“: @Amazon US ($199.99), @Amazon UK (£180.74), @Amazon IND (₹35,999.00), @BestBuy (N/A), @Walmart ($253.47), @Newegg ($199.99).


#Best ‘Surveillance Grade Hard Drive’ Under 6 TB Category


2nd 3.5 Inch – Toshiba S300 ‘HDWT360UZSVAR’

  • RPM: 7200
  • Read and Write Speed: 241 MB/s, 236 MB/s
  • Cache Size: 256 MB
  • Warranty: 3 Years
  • Price Tag: 168.99$ Approx. {Check Current Price}

About it: Toshiba is a leading manufacturer of storage drives and one its leading hard disk drive for CCTV is the TOSHIBA S300 HDWT360UZSVAR. This HDD is made for long term performance and 24/7 use without any data loss or decrease in storage capacity. This is a highly reliable drive from Toshiba designed especially for the surveillance storage. What makes Toshiba drives better for CCTV is their enhanced real-time performance and fast speed data transfer.

The S300 series drives come in a range of capacities up to 10 TB and the drives are capable of retaining data for longer durations. This 3.5 inch HDD runs of 6Gb/s SATA interface and can support input from up to 64 video cameras in real-time.

Talking of the speed and performance, the maximum data transfer speed of the drive is 241 Mbps. It has a buffer memory or cache memory of 256 MB. The drives rotation speed is 7200 and thanks to the data security features which make these drives are highly reliable. Real-time drive performance feature makes it possible to record videos in higher resolution and for a longer duration of time. It is compatible with DVR, NVR, video management servers and video systems.

It has a load cycle of 600000 and MTTF of 100, 0000 hours. You will not experience any frame drops when watching the footage thanks to the ultimate performance of TOSHIBA S300 HDWT360UZSVAR which detects and captures rapid movements.  It also comes with a 3 years limited warranty and you can blindly rely on its capabilities.

In my Opinion;

At this price, this drive really is a heck of a deal.

Toshiba S300 6TB Surveillance 3.5” Internal Hard Drive – SATA 6 Gb/s 7200 RPM 256MB Cache (HDWT360UZSVAR)

Click on link to check out the current price of “Toshiba S300 HDWT360UZSVAR“: @Amazon US ($168.99), @Amazon UK (£170.50)@Amazon IND (₹27,999.00), @BestBuy ($174.99),  @Walmart ($202.57), @Newegg ($168.99).


1st 3.5 Inch – Seagate SkyHawk AI ‘ST6000VE001’

  • RPM: 7200
  • Read and Write Speed: 235 MB/s, 244 MB/s
  • Cache Size: 256 MB
  • Warranty: 5 Years
  • Price Tag: 270.00$ Approx. {Check Current Price}

About it: With the help of the highly advanced Seagate SkyHawk AI hard drive for CCTV DVR, the users can expect longer performance delivery and reduced need for any kind of post-deployment support.

The AI version is mainly designed to suit the next-generation deep learning and video analytics DVR or NVR systems.  This drive also comes packed with a special technology known as ImagePerfect firmware that offers support on a 24/7 basis.

This is achieved through surveillance-optimized workloads that have been tuned for recording around 90 percent of the overall time as well as video footage of the 10 percent remaining.

Safe, secure, and smart Seagate SeaHawk AI are engineered for offering high-end video recording. These feature three times the total workload rating of both the desktop as well as the laptop drives.

In addition to this, the hard drive by Seagate is also able to store around 10,000 hours of digital videos. The ATA streaming feature of the hard drive enables it to sustain the recordings from around 64 HD cameras for ensuring uninterrupted footage.

This drive can handle 550 TB/year workloads and has 1.5 million hours Mean-Time-Between-Failure rating with 5 years of warranty and a two-years of ‘Seagate Rescue Services’ plan which will back you up for any data loss in future.

In my Opinion;

I don’t know why but you know that the 8 TB variant of this AI Series is available 30 dollars cheaper than this 6 TB hard drive.

Link: Top & Best 8TB HDD (Hard Disk Drive) – Monthly Updated

Seagate Skyhawk Ai ST6000VE001 6 TB Hard Drive - SATA 600-3.5" Drive - Internal - 256 MB Buffer

Click on link to check out the current price of “Seagate SkyHawk AI ST6000VE001“: @Amazon US ($270.00), @Amazon UK (£274.99), @Amazon IND (N/A), @BestBuy (N/A), @Walmart ($292.32), @Newegg ($279.99).


#Best ‘Enterprise Grade Hard Drive’ Under 6 TB Category


2nd 3.5 Inch – HGST DC HC310 ‘HUS726T6TALE6L4’

  • RPM: 7200
  • Read and Write Speed: 241 MB/s, 238 MB/s
  • Cache Size: 256 MB
  • Warranty: 5 Years
  • Price Tag: 164$ Approx. {Check Current Price}

About it: This is another high-tech hard drive of servers as well as for desktop in the current era. As far as storage of the hard drive is concerned, the hard drive by HGST is capable of offering abundance of it for all your purposes.

The hard drive comes with 7th generation 5-disk design as in a classic 3.5-inch structure offering some great performance with the help of the 7200 RPM spindle speed along with a 256 MB cache.

In addition to its standard desktop version, the HGST DC HC310 also comes with extra features. As compared to the prior generation 7K6000, now you’ll get 50% more capacity, 30% better power efficiency, up to 3X faster random write performance using media cache technology, 25% faster sequential read/write performance.

The overall design of the hard drive also makes this structure highly precise as well as faster with enhanced writing & reading speeds for gaining instant access to a plethora of information.

DC HC310  supports to guard information from unauthorized use by giving security and secret writing choices. Instant Secure Erase (ISE) models expedite drive deployment and retirement. Encryption models protect data with hardware-based encryption, including a Trusted Computing Group (TCG) Enterprise_A, TCG with FIPS 140-2 certification, Level 2.

In my Opinion;

You’ll gonna fail if you think that you can find a better drive than this, at this price of range.

Seagate Enterprise NAS HDD 4 TB 7200 RPM 512e SATA 6Gb/s 128MB Cache 3.5-Inch Internal Hard Disk Drive - ST4000VN0001 (Renewed)

Click on link to check out the current price of “HGST HC310 HUS726T6TALE6L4“: @Amazon US ($164.00), @Amazon UK (£160.50)@Amazon IND (₹27,999.00), @BestBuy (N/A),  @Walmart ($204.22), @Newegg ($199.99).


1st 3.5 Inch – WD Gold ‘WD6003FRYZ’

  • RPM: 7200
  • Read and Write Speed: 252 MB/s, 251 MB/s
  • Cache Size: 256 MB
  • Warranty: 5 Years
  • Price Tag: 226.00$ Approx. {Check Current Price}

About it: WD Gold Enterprise-class drives are designed to be used in storage systems and enterprise-class data centers. This leading enterprise-grade drive is really fast and it is filled with features. The drive is available in many different sizes starting from 1 TB, 2 TB, 4 TB, 6 TB, 8 TB, 10 TB and a staggering capacity of 12 TB.

The drive is specially developed to provide a storage solution to servers and enterprise storage solutions. It is capable of handling some of the most demanding enterprise applications like online banking, high-frequency trading, big data analysis and other similar tasks with full reliability. The drives are extensively tested in various OEM storage systems and SATA controllers.

WD Gold Enterprise-Class WD6003FRYZ is a SATA 6GBps Hard disk drive. It has DRAM Cache memory of 256 MB and it is filled with helium in order to protect from damage that may be caused by atmospheric turbulence as the parts inside the drive is thin and fragile. It is a 7200 RPM drive and provides up to 2.5 M hours of MTBF.

WD Gold series drives come with RAFF abbreviation for Rotational Acceleration Feed Forward that protects the drive from rotational vibrations increasing its reliability. Then it is also backed by a healthy five years limited warranty so that you can be confident in your purchase. So if you are looking for the best HDD for enterprise use, then surely go for WD Gold WD6003FRYZ.

In my Opinion;

This drive is a legend. Just don’t wait to think more!

WD Gold 6TB Enterprise Class Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6003FRYZ

Click on link to check out the current price of “WD Gold WD6003FRYZ“: @Amazon US ($226.00), @Amazon UK (£230.00)@Amazon IND (₹39,999.00), @BestBuy (N/A),  @Walmart ($223.38), @Newegg ($226.99).


The hard drives mentioned above are amongst the best in the series of the 6 TB hard drives for both desktop systems as well as for the RAID systems.

If you are considering any kind of special features along with high performance and overall stability, then you can choose anyone out of these. The presence of a high-quality hard drive can improve your overall computing experience. Have a great time using these hard drives!


And that’s our top 10 list of the best 6TB (3.5 Inch) HDD what you can get for your Desktop, CCTV, NAS or Server computer. Stay tuned for more! – So, what will you pick, if you wanted one for yourself? Let me know in the comments below:

Happy Shopping!!!






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