The Best Internal Hard Drives of 2021


105,253 reviews analysed
Rank Product Name Score
1st Image WD Blue 4TB PC Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40EZRZ
By Western Digital
9.5 SCORE View Product
2nd Image 9% OFF
Seagate BarraCuda 2TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache 3.5-Inch
By Seagate
9.4 SCORE View Product
3rd Image 11% OFF
Seagate IronWolf 6TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RA
By Seagate
9.3 SCORE View Product
4th 1st Image 7% OFF
Seagate Barracuda 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256MB Cache for Comp
By Seagate
9.2 SCORE View Product
5th Image Toshiba X300 5TB Performance Desktop and Gaming Hard Drive 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5 Inc
By Toshiba
9.1 SCORE View Product
6th Image WD Black 2TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD2003
By Western Digital
9 SCORE View Product
7th Image 32% OFF
Seagate IronWolf 10Tb NAS Internal Hard Drive HDD – 3.5 Inch SATA 6GB/S 7200 RPM 256MB Cache for R
By Seagate
8.9 SCORE View Product
8th Image 18% OFF
Seagate Constellation ES ST4000NM0033 4TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5inch Internal Enterpri
By Seagate
8.8 SCORE View Product
9th Image WD Purple 4TB Surveillance Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD40PURZ
By Western Digital
8.7 SCORE View Product
10th Image WL 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal (Enterprise Grade, Heavy Duty) Hard Drive (
By None
8.6 SCORE View Product

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We keep receiving tons of questions of readers who are going to buy Internal Hard Drives, eg:

  • What is the best Internal Hard Drives for 2019, for 2018 or even 2017 (old models)?
  • What is the best Internal Hard Drives to buy?
  • What is the best Internal Hard Drives to buy for a Beginner?
  • or even What is the best affordable (best budget, best cheap or even best expensive!!!) Internal Hard Drives?…

All of these above questions make you crazy whenever coming up with them. We know your feelings because we used to be in this weird situation when searching for Internal Hard Drives.

Before deciding to buy any Internal Hard Drives, make sure you research and read carefully the buying guide somewhere else from trusted sources. We will not repeat it here to save your time.

You will know how you should choose Internal Hard Drives and What you should consider when buying the Internal Hard Drives and Where to Buy or Purchase the Internal Hard Drives. Just consider our rankings above as a suggestion. The final choice is yours.

That’s why we use Big Data and AI to solve the issue. We use our own invented, special algorithms to generate lists of the best brands and give them our own Scores to rank them from 1st to 10th.

You could see the top 10 Internal Hard Drives of 2019 above. The lists of best products are updated regularly, so you can be sure that the information provided is up-to-date.

You may read more about us to know what we have achieved so far. Don’t hesitate to contact us if something’s wrong or mislead information about Internal Hard Drives.

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Last updated on Nov-09,2019 / Affiliate links / Images from Amazon Product Advertising API