In this buyer’s guide, we have included all the important factors to consider when buying 3tb Internal Hard Drives. We would recommend using MaxDigital 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s (Enterprise Storage) 3.5″ Internal Hard Drive w/2 Year Warranty as it is a high-quality product.

The best 3tb Internal Hard Drives

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

$39.99
$35.99
 in stock
Amazon.com
as of July 19, 2022 1:17 pm

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

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

$42.99  in stock
2 new from $35.99
Free shipping
Amazon.com
as of July 19, 2022 1:17 pm

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 3TB 64MB Cache 7200RPM SATA 3.0Gb/s 3.5in Heaty-Duty Internal Hard Drive for Surveillance System, RAID, NAS, PC/MAC (Renewed)

$36.50  in stock
2 new from $36.50
Free shipping
Amazon.com
as of July 19, 2022 1:17 pm

Features

  • 3TB Capacity, 7200RPM Rotation Speed, 64MB Cache,SATA 3.0Gb/s, Enterprise Grade, Heavy Duty
  • 3.5" Internal Hard Drive, SATA 3.0Gb/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

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

$64.99  in stock
39 new from $63.99
7 used from $54.80
Free shipping
Amazon.com
as of July 19, 2022 1:17 pm

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))

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)

$37.00  in stock
3 new from $37.00
Free shipping
Amazon.com
as of July 19, 2022 1:17 pm

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

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

$36.99  in stock
3 new from $36.99
Free shipping
Amazon.com
as of July 19, 2022 1:17 pm

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 Constellation ES.3 | ST3000NM0033 | 3TB 7.2K RPM 128 MB Cache 3.5" SATA 6Gb/s | Enterprise Internal Hard Disk Drive HDD

$137.74  in stock
4 new from $137.74
6 used from $49.00
Amazon.com
as of July 19, 2022 1:17 pm

Features

  • 3.5-Inch Standard HDD, Capacity 3TB, Speed 7200, SATA 6Gbps Interface, 128MB Cache
  • Provides a 25% nearline performance boost over competitive offerings to help meet your Service Level Agreements
  • Helps to lower your TCO by providing the highest capacity drive to meet your expansive data growth
  • Provides secure bulk data storage with Self-Encrypting Drive (SED) technology you can trust
  • Built on a field-proven, eighth-generation platform and optimized for 24×7 storage environments

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 July 19, 2022 1:17 pm

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

$149.99
$109.99
 in stock
46 new from $109.99
2 used from $198.68
Amazon.com
as of July 19, 2022 1:17 pm

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

SAMSUNG 980 PRO SSD 2TB PCIe NVMe Gen 4 Gaming M.2 Internal Solid State Hard Drive Memory Card, Maximum Speed, Thermal Control, MZ-V8P2T0B

$379.99
$249.99
 in stock
17 new from $248.95
6 used from $199.99
Free shipping
Amazon.com
as of July 19, 2022 1:17 pm

Features

  • Next-level SSD performance: Unleash the power of the Samsung 980 PRO PCIe 4.0 NVMe SSD for next-level computing. 980 PRO delivers 2x the data transfer rate of PCIe 3.0, while maintaining compatibility with PCIe 3.0.
  • Maximum Speed: Get read speeds up to 7,000 MB s with 980 PRO and push the limits of what SSDs can do. Powered by a new Elpsis controller designed to harmonize the flash memory components and the interface for superior speed – with a PCIe 4.0 interface that’s 2x faster than PCIe 3.0 SSDs and 12x faster than Samsung SATA SSDs – every component of this NVMe SSD is manufactured by Samsung for performance that lasts.
  • A winning combination: Designed for hardcore gamers and tech-savvy users, the 980 PRO offers high-performance bandwidth and throughput for heavy-duty applications in gaming, graphics, data analytics, and more. It's fast at loading games, so you can play more and wait less.
  • Efficient M.2 SSD: The 980 PRO comes in a compact M.2 2280 form factor, which can be easily plugged into desktops and laptops. Due to its size and thus optimized power efficiency, it’s ideal for building high-performance computing systems.
  • Reliable thermal control: High-performance SSDs usually require high-performance thermal control. To ensure stable performance, the 980 PRO uses nickel coating to help manage the controller's heat level and a heat spreader label to deliver effective thermal control of the NAND chip.

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