In this blog post, we’ll explore the Best 3 TB Internal Hard Drives and show you our top picks.

Internal hard drives are an essential part of any computer. They are the place where all of your data is stored and accessed from. If you have a 3tb hard drive, you can store up to 3 terabytes of data on it. With this much data storage, you can keep everything from your college papers to your favorite TV shows on one hard drive.

Internal hard drives are important because they store all of your information in one place. This makes it easy for you to access and backup the information that is on the drive.

In Hurry? Here are our Top Picks!

EDITOR’S CHOICE
9.7
HGST Ultrastar 7K4000 (0F17731) 3TB 64MB Cache 7200RPM SATA III 6.0Gb/s 3.5in Heaty-Duty Internal Hard Drive for CCTV DVR, NAS, PC/MAC (Renewed)

HGST Ultrastar 7K4000 (0F17731) 3TB 64MB Cache 7200RPM SATA III 6.0Gb/s 3.5in Heaty-Duty Internal Hard Drive for CCTV DVR, NAS, PC/MAC (Renewed)

PREMIUM PICK
9.5
MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s (Enterprise Storage) 3.5″ Internal Hard Drive w/2 Year Warranty

MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s (Enterprise Storage) 3.5

PREMIUM CHOICE
9.1
Seagate Constellation ES.2 ST33000651NS 3 TB Internal Hard Drive (ST33000651NS)

Seagate Constellation ES.2 ST33000651NS 3 TB Internal Hard Drive (ST33000651NS)

Best 3TB Internal Hard Drives

IMAGE PRODUCT RATING
EDITOR’S CHOICE

HGST Ultrastar 7K4000 (0F17731) 3TB 64MB Cache 7200RPM SATA III 6.0Gb/s 3.5in Heaty-Duty Internal Hard Drive for CCTV DVR, NAS, PC/MAC (Renewed)

HGST Ultrastar 7K4000 (0F17731) 3TB 64MB Cache 7200RPM SATA III 6.0Gb/s 3.5in Heaty-Duty Internal Hard Drive for CCTV DVR, NAS, PC/MAC (Renewed)
9.9
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PREMIUM PICK

MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s (Enterprise Storage) 3.5

MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s (Enterprise Storage) 3.5″ Internal Hard Drive w/2 Year Warranty
9.5
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PREMIUM CHOICE

Seagate Constellation ES.2 ST33000651NS 3 TB Internal Hard Drive (ST33000651NS)

Seagate Constellation ES.2 ST33000651NS 3 TB Internal Hard Drive (ST33000651NS)
9.1
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WL 3TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5 WL 3TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5″ Desktop Hard Drive (For Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty
8.8
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HITACHI Ultrastar 7K3000 HUA723030ALA640 3TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5in Enterprise Internal Hard Drive - 3 Year Warranty (Renewed) HITACHI Ultrastar 7K3000 HUA723030ALA640 3TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5in Enterprise Internal Hard Drive – 3 Year Warranty (Renewed)
8.5
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Seagate SkyHawk 3TB Surveillance Hard SATA 6Gb/s 256MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST3000VX009), 2 gal HITACHI Ultrastar 7K3000 HUA723030ALA640 3TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5in Enterprise Internal Hard Drive – 3 Year Warranty (Renewed)
8.1
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WD_BLACK 5TB P10 Game Drive - Portable External Hard Drive HDD, Compatible with Playstation, Xbox, PC, & Mac - WDBA3A0050BBK-WESN WD_BLACK 5TB P10 Game Drive – Portable External Hard Drive HDD, Compatible with Playstation, Xbox, PC, & Mac – WDBA3A0050BBK-WESN
7.7
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WD 6TB Elements Desktop Hard Drive HDD, USB 3.0, Compatible with PC, Mac, PS4 & Xbox - WDBWLG0060HBK-NESN WD 6TB Elements Desktop Hard Drive HDD, USB 3.0, Compatible with PC, Mac, PS4 & Xbox – WDBWLG0060HBK-NESN
7.3
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Western Digital 3TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5 Western Digital 3TB WD Red NAS Internal Hard Drive HDD – 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5″ – WD30EFAX
7.1
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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 Toshiba N300 4TB NAS 3.5-Inch Internal Hard Drive – CMR SATA 6 GB/s 7200 RPM 256 MB Cache – HDWG440XZSTA
6.6
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HGST Ultrastar 7K4000 (0F17731) 3TB 64MB Cache 7200RPM SATA III 6.0Gb/s 3.5in Heaty-Duty Internal Hard Drive for CCTV DVR, NAS, PC/MAC (Renewed)

EDITOR’S CHOICE

Specifications:

HGST Ultrastar 7K4000 (0F17731) 3TB 64MB Cache 7200RPM SATA III 6.0Gb/s 3.5in Heaty-Duty Internal Hard Drive for CCTV DVR, NAS, PC/MAC (Renewed)

$36.99  in stock
3 new from $36.99
Free shipping
Amazon.com
as of June 30, 2022 2:07 am

Features

  • 3TB Capacity, 7200RPM Rotation Speed, 64MB Cache,SATA III 6.0Gb/s, Enterprise Grade, Heavy Duty
  • 3.5" Internal Hard Drive, SATA III 6.0Gb/s, Designed for 24/7 reliable operation
  • Works for PC, Mac, RAID, NAS, CCTV DVR
  • Passed Factory Diagnostic Software + RE-CERTIFIED by State-of-the-Art software - Full "Sector-by-Sector" test to ensure best HDD quality! ZERO Bad Sectors!
  • Worry Free Return! 100% Full Refund, 1 Year Warranty

MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s (Enterprise Storage) 3.5″ Internal Hard Drive w/2 Year Warranty

PREMIUM PICK

Specifications:

MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s (Enterprise Storage) 3.5" Internal Hard Drive w/2 Year Warranty

$38.50  in stock
Amazon.com
as of June 30, 2022 2:07 am

Features

  • 3 Terabyte Capacity, SATA III 6.0Gbps Interface, 64MB Buffer Size, 7200RPM Rotation Speed
  • Perfect for Datacenter Hard Drive, RAID System, NAS Network Storage, CCTV DVR and Desktop PC/Mac!
  • Maximum capacity, Heavy application workloads, 24x7x365 reliability
  • Datacenter Storage, Enterprise Grade, Excellent Condition
  • 2 Years Warranty from Reseller. 100% New, Zero Power Hours

Seagate Constellation ES.2 ST33000651NS 3 TB Internal Hard Drive (ST33000651NS)

PREMIUM CHOICE

Specifications:

Seagate Constellation ES.2 ST33000651NS 3 TB Internal Hard Drive (ST33000651NS)

$43.99  in stock
3 new from $43.99
2 used from $79.10
Amazon.com
as of June 30, 2022 2:07 am

Features

  • 3TB, 3.5" Internal Hard Drive (Heavy Duty)
  • SATA 6Gb/s,7200-RPM Performance, 24×7 Reliability, Best-in-class
  • Works for PC, Mac, RAID, NAS, CCTV DVR, Surveillance Storage
  • Bare Drive Only, Brown Box Single Pack, (No Screws, Cables or Accessories included) -Friendly Reminder- Please FORMAT HDD on system in order to be detected/shows on system.
  • 3 Years Warranty from Reseller, Worry Free Return! 100% Full Refund

WL 3TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5″ Desktop Hard Drive (For Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty

Specifications:

WL 3TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Hard Drive (For Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty

$39.99
$35.99
 in stock
2 new from $35.99
Free shipping
Amazon.com
as of June 30, 2022 2:07 am

Features

  • Capacity: 3TB
  • Rotation Speed: 7200RPM
  • Buffer Size: 64MB Cache
  • Interface: 3.5" SATA 6.0Gb/s
  • Warranty: 1 Year Warranty from Reseller

HITACHI Ultrastar 7K3000 HUA723030ALA640 3TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5in Enterprise Internal Hard Drive – 3 Year Warranty (Renewed)

Specifications:

HITACHI Ultrastar 7K3000 HUA723030ALA640 3TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5in Enterprise Internal Hard Drive - 3 Year Warranty (Renewed)

$39.99
$35.99
 in stock
4 new from $35.99
Free shipping
Amazon.com
as of June 30, 2022 2:07 am

Features

  • 3TB Capacity, 7200RPM Rotation Speed, 64MB Cache,SATA III 6.0Gb/s, Enterprise Grade, Heavy Duty
  • 3.5" Internal Hard Drive, SATA III 6.0Gb/s, Designed for 24/7 reliable operation
  • Works for PC, Mac, RAID, NAS, CCTV DVR
  • Passed Factory Diagnostic Software + RE-CERTIFIED by State-of-the-Art software - Full "Sector-by-Sector" test to ensure best HDD quality! ZERO Bad Sectors!
  • Worry Free Return! 100% Full Refund, 3 Year Warranty from Reseller

Seagate SkyHawk 3TB Surveillance Hard SATA 6Gb/s 256MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST3000VX009), 2 gal

Specifications:

Seagate SkyHawk 3TB Surveillance Hard SATA 6Gb/s 256MB Cache 3.5-Inch Internal Drive-Frustration Free Packaging (ST3000VX009), 2 gal

$102.99  in stock
4 new from $102.99
1 used from $128.68
Amazon.com
as of June 30, 2022 2:07 am

Features

  • Custom-built for surveillance applications with Image Perfect firmware for crisp, clear, 24×7 video workloads
  • Maximum 180TB/year workload rating—3× the workload rating of desktop drives—for reliable performance in write-intensive surveillance systems
  • Rotational vibration (RV) sensors help maintain performance in RAID and multi-drive systems (4TB or higher)
  • Up to 10TB of capacity to store up to 10,000 hours of HD video
  • 3 year Limited Manufacturer Warranty

WD_BLACK 5TB P10 Game Drive – Portable External Hard Drive HDD, Compatible with Playstation, Xbox, PC, & Mac – WDBA3A0050BBK-WESN

Specifications:

WD_BLACK 5TB P10 Game Drive - Portable External Hard Drive HDD, Compatible with Playstation, Xbox, PC, & Mac - WDBA3A0050BBK-WESN

$149.99
$109.99
 in stock
47 new from $99.99
Amazon.com
as of June 30, 2022 2:07 am

Features

  • Available in capacities up to 5TB that can hold up to 125 games, so that you can save old favorites and still have room for new titles (As used for storage capacity, one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. Number of games based on a 36GB average per game. The number of games will vary based on file size, formatting, other programs, and factors.)
  • Comes with an 18-inch (457mm) USB Type-A to Micro-B cable with SuperSpeed interface up to 5Gbps (Cable length may vary.)
  • Compatible with Xbox Series X/S (play and store Xbox One games, archive Xbox Series X and Xbox Series S games) and PlayStation 5 (play and store PS4 games, archive PS5 games) consoles
  • Portable form factor with sleek metal top covering that provides fast access to your growing game library
  • Premium HDD with 3-year limited warranty, purpose-built for gamers based on WD_BLACK quality and reliability

WD 6TB Elements Desktop Hard Drive HDD, USB 3.0, Compatible with PC, Mac, PS4 & Xbox – WDBWLG0060HBK-NESN

Specifications:

WD 6TB Elements Desktop Hard Drive HDD, USB 3.0, Compatible with PC, Mac, PS4 & Xbox - WDBWLG0060HBK-NESN

$189.99
$124.99
 in stock
35 new from $124.98
2 used from $99.26
Free shipping
Amazon.com
as of June 30, 2022 2:07 am

Features

  • High-capacity add-on storage
  • Fast data transfers
  • Plug-and-play ready for Windows PCs
  • WD quality inside and out

Western Digital 3TB WD Red NAS Internal Hard Drive HDD – 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5″ – WD30EFAX

Specifications:

Western Digital 3TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD30EFAX

$63.99  in stock
45 new from $63.99
6 used from $53.29
Free shipping
Amazon.com
as of June 30, 2022 2:07 am

Features

  • Available in capacities ranging from 2-6TB with support for up to 8 bays
  • 5400RPM performance class
  • 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
  • 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 is annualized (TB transferred ✕ (8760 / recorded power-on hours))

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

Specifications:

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

$109.99
$99.99
 in stock
11 new from $99.99
1 used from $198.86
Free shipping
Amazon.com
as of June 30, 2022 2:07 am

Features

  • Built for small office and home office NAS
  • Designed for 24/7 operation(9)
  • High reliability with up to 180TB/year workload rating(6)
  • High performance 7200 RPM drive with large cache size
  • Integrated RV sensors to compensate for rotational vibrations