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SanDisk Professional 6TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive
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SanDisk Professional 6TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive
  • RPM: 7200 RPM
  • Parts: 5 Year
  • Model #: SDPHG1H-006T-NBAAD
Seagate One Touch STLC4000400 4 TB Hard Drive - 3.5" External - SATA (SATA/600) - Black - USB 3.0 Micro-B
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Seagate
Seagate One Touch STLC4000400 4 TB Hard Drive - 3.5" External - SATA (SATA/600) - Black - USB 3.0 Micro-B
  • Part Number: STLC4000400
  • Dimensions: 1.78" x 5.11" x 1.78"
  • Weight: 2.73 lbs.
  • Package Contents: Seagate One Touch Hub USB 3.0 cable Downloadable Toolkit software One-year Mylio Create plan Four-month Adobe Creative Cloud Photography plan Rescue Data Recovery Services Quick Start Guide
  • Model #: STLC4000400
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  • $330.60 
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SanDisk Professional 12TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive
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SanDisk Professional 12TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive
  • Brand: SanDisk Professional
  • Color: aluminum
  • RPM: 7200 RPM
  • Parts: 5 Year
  • Model #: SDPHG1H-012T-NBAAD
SanDisk Professional 24TB G-Drive Enterprise-Class External Desktop Hard Drive - 7200RPM Ultrastar HDD Inside, USB-C (10Gbps), USB 3.2 Gen 2, Mac Ready - SDPHF1A-024T-NBAAD
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  • $1,452.59 
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LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black
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LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black
  • RPM: 7200 RPM
  • RAID: RAID System (0, 1)
  • Dimensions: 3.67" x 4.65" x 8.54"
  • Weight: 6.17 lbs.
  • Model #: STHJ16000800
LaCie 8TB 1big Dock
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LaCie 8TB 1big Dock
  • RPM: 7200 RPM
  • Thunderbolt 3: Yes
  • Model #: STHS8000800
lacie 1tb mobile ssd secure usb-c drive
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Seagate ST4000NM004A 3.5" 4TB SAS 12Gb/s 7.2K RPM 4Kn 256MB HDD
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  • $275.10 
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SanDisk Professional G-DRIVE Pro 18 TB Desktop Hard Drive Aluminum SDPH51J018TNBAAD
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  • $2,054.69 
  • Free Shipping
IBM 25R8064 ServeRAID 8k SAS RAID Controller
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IBM 25R8064 ServeRAID 8k SAS RAID Controller
  • Features: Host Interface: PCI Express x4RAID Supported: YesRAID Levels: 0,1,5,1E,5EE,6,10,50,60Total Number of SAS Ports: 2Number of SAS Ports (Internal): 1Number of SAS Ports (External): 1Form Factor: Plug-in CardPlatform Supported: PCLimited Warranty: 1 Year
  • Dimensions: 8.000
  • Weight: 20
  • Parts: 1 Year
  • Model #: 25R8064
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  • $56.00 
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ioSafe SOLO G3 4TB USB 3.0 3.5" External Hard Drive SK4TB Black
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ioSafe SOLO G3 4TB USB 3.0 3.5" External Hard Drive SK4TB Black
  • Dimensions: 7.1" x 5.0" x 11.0" (H x W x D)
  • Weight: 15 lbs.
  • Package Contents: ioSafe SOLO G3 External Hard Drive USB Cable Power Supply Owners Manual and Warranty
  • Model #: SK4TB
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  • $799.00 
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G-Technology 8TB G-Drive with Thunderbolt 3 and USB-C Desktop External Hard Drive, Silver - 0G05373-1
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  • $1,696.58 
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  • Free Shipping
  • $1,694.58 - $1,696.58
Promise Technology Pegasus32 R4 16TB HDD 4x4TB
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  • $2,086.00 
  • $114.00 Shipping
LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive STHA16000800 Black
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LaCie d2 Professional 16TB USB 3.1 Gen 2 External Hard Drive STHA16000800 Black

OUT OF STOCK

  • RPM: 7200 RPM
  • Dimensions: 7.42" x 2.36" x 5.12"
  • Weight: 3.09 lbs.
  • Package Contents: LaCie d2 Professional USB-C (USB 3.1 10Gb/s) cable USB-C to USB-A cable External power supply Quick Install Guide
  • Model #: STHA16000800

External Hard Drives

External hard drives are ideal for backing up your hard drive or storing additional media separately from your main hard drive. Photos, videos, and digital music have all become so popular in recent years that people need a place to put it all. CDs and DVDs do not have the capacity to hold PC backups and are not all that convenient. However, the prices of external hard drives have come down so much that they are perfect for backing up your important data.

The two most common interfaces for hooking up external drives to your computer are USB and FireWire with eSata now becoming popular also. USB has been around for years and are standard on just about all computers today while FireWire ports are newer and if you use a digital video camera with your computer you probably already have one. In terms of access speeds the latest eSata standard offers the fastest connection however that comes with a price. USB 2.0 and Firewire can cover most of your general needs without having to upgrade your system with a new eSata card. Any of the interfaces will do the job however be sure to purchase an external hard drive with the same type of port that your computer has.

Your backup drive should have a capacity at least as big as your computer's largest hard drive. That will leave you with plenty of room to back up your important files or mirror/clone your current drive. You can also buy an external hard drive case and mount an internal hard drive inside it. This method will give you a choice of brands and models, and if anything goes wrong with your internal hard drive, you can simply install the external one inside your computer to replace it.

Considerations for External Hard Drives

One drawback to using external hard drives for backups is that they are still relatively new for home computer use. They come with Windows drivers; should Windows fail, you will not be able to access your external drive through DOS. There are DOS drivers available but they can be difficult to find and most manufacturers do not provide support for them. This isn't a frequent occurrence, just something to keep in mind as you select your external hard drive.

Bestselling Desktop External Hard Drives Reviews:

Anonymous
5/13/2025 3:10:08 PM
Great bang for the buck

“ Would recommend this to anyone looking for an external hard drive. ”

WD Elements 8TB USB 3.0 Desktop External Hard Drive WDBWLG0080HBK-NESN Black
THOMAS H.
2/24/2025 4:41:02 PM
Simple setup, good performance at USB3.0+

“ Yes, because it's better than the Seagate external drive it originally replaced. ”

WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black
John B.
12/27/2024 2:27:35 AM
Great product

“ Highly recommended - I've had much better luck with WD drives compared to Seagate over the years, but I have friends with the opposite experience. ”

WD Elements 16TB USB 3.0 Desktop External Hard Drive WDBWLG0160HBK-NESN Black
Anonymous
11/23/2024 2:05:12 PM
Good product, easy to setup and use.

“ The Seagate Expansion 14 TB External Hard Drive USB 3.0 Quick Start Guide says: USB-C ports require a micro-B to USB-C cable (not included). ”

Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)
Anonymous
10/25/2024 1:37:00 PM
So far it is doing the job

“ This hard drive seems to be working fine but it is too soon to tell if it rates 5 eggs. ”

Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)
Anonymous
10/23/2024 7:22:47 AM
Big drive

“ Drive was easy to install and easy to copy files over as a primary external drive. ”

Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)
Anonymous
10/7/2024 9:18:59 AM
Seagate Expansion 12TB

“ Had problems with WD drives so switched to Seagate. ”

Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)
Anonymous
8/29/2024 6:42:26 AM
I guess it does the job, slower than expected

“ All my Seagate and WD drives have never failed on me, even after a decade of use. ”

Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)