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iStorage diskAshur DT2 4TB Secure encrypted desktop hard drive - FIPS Level 3 certified - Password protected - military grade hardware encryption (IS-DT2-256-4000-C-X)
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Seagate Expansion 18TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP18000400)
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Seagate Expansion 18TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP18000400)
  • Dimensions: 4.92" x 1.65" x 7.04"
  • Weight: 2.59 lbs.
  • Package Contents: Seagate Expansion desktop hard drive 18-inch (45.72cm) USB 3.0 cable 18W power adapter Quick start guide Rescue Data Recovery Services3 Toolkit backup software 3 Rescue Data Recovery Services not available in all countries.
  • Model #: STKP18000400
iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption IS-DT2-256-18000-C-X
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  • $989.95 
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Buffalo DriveStation Quad 4-Drive 24TB External Hard Drive
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Buffalo DriveStation Quad 4-Drive 24TB External Hard Drive
  • Dimensions: 6.06" x 5.87" x 9.17"
  • Weight: 12.13 lbs.
  • Package Contents: DriveStation Quad Setup CD-ROM Quick Setup Guide USB 3.0 Cable AC Adapter Warranty Statement
  • Parts: 3 Year
  • Model #: HD-QH24TU3R5
Apricorn A25-3PL256-500F Apricorn Aegis Padlock A25-3PL256-500F 500 GB External
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  • $171.64 
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LaCie 16TB 1big Dock
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LaCie 16TB 1big Dock
  • Model #: STHS16000800
Professional 72TB G-RAID Shuttle 4 - Enterprise-Class 4-Bay External Hard Drive, Thunderbolt 3 and USB-C, Transportable, Hardware RAID
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  • $5,699.00 
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OWC 8TB Thunderbolt 3.5" 4-Drive HDD External Storage Solution OWCTB3SRT08.0S Black
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OWC 8TB Thunderbolt 3.5" 4-Drive HDD External Storage Solution OWCTB3SRT08.0S Black
  • RPM: 7200 RPM
  • Cache: 512MB
  • RAID: RAID System (0, 1, 4, 5, 10, JBOD)
  • Thunderbolt 3: Yes
  • Model #: OWCTB3SRT08.0S
OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution
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OWC 20TB HDD 7200RPM miniStack STX Stackable Storage and Thunderbolt Hub Xpansion Solution
  • RPM: 7200 RPM
  • Cache: 256MB
  • Thunderbolt 3: Yes
  • Parts: OWC 3 Year Limited Warranty
  • Model #: OWCT4MSSH20N00
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  • $829.99 
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WD 20TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0200JBK-NESN)
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WD 20TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0200JBK-NESN)
  • Dimensions: 7.09" x 3.94" x 6.30"
  • Weight: 5.25 lbs.
  • Package Contents: Desktop RAID storage WD Discovery software for WD Backup, WD Security and WD Drive Utilities USB-C to USB-C cable USB-C to USB-A cable AC adapter Disk replacement tool Quick install guide
  • Model #: WDBFBE0200JBK-NESN
  • $762.43 - $770.13
iStorage diskAshur DT2 8TB Secure Encrypted Desktop Hard Hrive - FIPS Level 3 certified, Password protected, military grade hardware encryption (IS-DT2-256-8000-C-X)
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WD 16TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0160JBK-NESN)
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WD 16TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0160JBK-NESN)
  • Dimensions: 7.09" x 3.94" x 6.30"
  • Weight: 5.20 lbs.
  • Package Contents: My Book Duo Desktop RAID storage WD Discovery software for WD Backup, WD Security and WD Drive Utilities USB-C to USB-C cable USB-C to USB-A cable AC adapter Disk replacement tool Quick install guide
  • Model #: WDBFBE0160JBK-NESN
Apricorn Aegis Padlock DT ADT-3PL256-8000 8 TB 3.5" External Hard Drive
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Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB
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APRICORN Aegis Padlock DT 6TB USB 3.0 FIPS 140-2 Encrypted USB 3.0 Desktop Hard Drive with PIN Access ADT-3PL256F-6000 Black
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APRICORN Aegis Padlock DT 6TB USB 3.0 FIPS 140-2 Encrypted USB 3.0 Desktop Hard Drive with PIN Access ADT-3PL256F-6000 Black
  • Cache: 8MB
  • Average Seek Time: 12ms
  • Features: Military Grade FIPS PUB 197 Validated Encryption Hardware Encrypted Drive - Real-time 128-bit or 256-bit AES-XTS encryption seamlessly encrypts all data on the drive, protecting the drive even if it is removed from it's casing Super Speed USB 3.0 Connection Administrator Password feature - Ideal for IT departments looking to secure their mobile
  • System Requirements: Compatible with all Operating Systems, including Windows, Mac and Linux Requires USB port
  • Model #: ADT-3PL256F-6000
Buffalo DriveStation Quad 4-Drive 16TB External Hard Drive
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Buffalo DriveStation Quad 4-Drive 16TB External Hard Drive
  • RAID: RAID System (0, 1, 5, 10)
  • Weight: 16.4
  • Package Contents: DriveStation Quad USB 3.0 Hard Drive Array, Setup CD-ROM, Quick Setup Guide, USB 3.0 cable, AC Adapter, Warranty Statement
  • Model #: HD-QH16TU3R5
  • $968.99
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  • $899.99 
  • Save: 7%
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Apricorn Aegis Fortress 4 TB Hard Drive - External - USB 3.0
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Apricorn Aegis Fortress 4 TB Hard Drive - External - USB 3.0
  • Dimensions: 7.920 x 6.080 x 2.720
  • Weight: 6.0000
  • Model #: AFL3- 4TB
Apricorn Aegis Padlock DT 10TB USB 3.0 Encrypted Desktop Drive
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Glyph Technologies 8TB Blackbox PRO RAID 2-Bay RAID Array  BBPR8000RAID
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  • $689.31 - $694.32

Desktop external hard drives enable you to expand existing storage, incorporate redundancy into your data storage setup and can even provide faster transfer speeds than an existing internal disk. You can transport smaller models in your pocket or bag, but some larger devices come with stands and other features that make them suitable as a permanent fixture on your desk. RAID enabled external hard drives for PC provide these functions while introducing redundancy so the drive can be rebuilt and data recovered, even in the event of a disk failure. Ensure compatibility when you buy a portable hard drive for Mac and PC by choosing one with a compatible interface. Thunderbolt connectivity is standard in most Macs as well as some high-end PCs, offering fast transfer rates, while USB 3 is another popular interface standard. SATA and SAS drives are other common connection types.

Enjoy Fast Transfer Speeds with Thunderbolt Compatibility

Where Thunderbolt connections are available, you should consider choosing this interface over USB or SATA. Desktop external hard drives with Thunderbolt connectivity offer a throughput speed of up to 40Gbps, double that of USB 3.2's 20Gbps. This means that you can store and retrieve data from the drive quicker. However, compatibility is what matters most, so ensure that the drive you choose is compatible with the ports on your desktop. Thunderbolt is common in Mac hard drives and also an increasing number of PCs.

Go Mobile with a Portable Hard Drive for Mac and PC

Most hard drives, except those with the largest capacity and internal hard drives with desktop mounts, tend to be small and light enough to carry in a laptop bag or pocket. However, if you need to regularly access data on a portable drive, because you're a creative professional that carries photos or videos to clients, for example, portable hard drives for Mac and PC exist that strip away unnecessary weight and casing. These will fit in a shirt pocket and are easier to carry. 2.5in models, commonly used as laptop drives because of their portability, are the smallest and offer the greatest convenience.

Expand Game Storage with Desktop External Hard Drives

You can use a portable hard drive for your PC to store personal and professional files. You can also use one to store software, including games and DLC packs. Buyers can use some external hard drives with games consoles to expand their memory without having to upgrade to a new system or rely on cloud storage. Drive speed is important in these cases because it minimizes the loading time and waiting times. Standard desktop external hard drives have a speed of 7,200 revolutions per minute (RPM) but some models can offer speeds as high as 15,000RPM.

Protect Your Data with an External Drive

You can use a desktop external hard drive for data backup. You can automatically back up important files and folders to the drive periodically, but for ultimate data protection, RAID drives incorporate drive redundancy into their architecture. This redundancy means that you can recover the data, even in the event of a drive failure.

Bestselling Desktop External Hard Drives Reviews:

Jaime G.
1/24/2026 7:24:21 PM
Spacious and fast!

“ All in all, this is a great external HDD if you're looking to expand your storage capabilities. ”

WD Elements 24TB Desktop External Hard Drive WDBWLG0240HBK-NESN Black
DeKevin T.
12/23/2025 9:23:35 AM
Great Product, setup in minutes

“ I would recommend to anyone looking for large external storage ”

Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400
Danny M.
12/13/2025 7:02:54 PM
Great external hard drive

“ I would highly recommend this drive to anyone who needs a lot of storage for any reason. ”

WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black
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
Anonymous
4/21/2025 8:06:27 AM
Great Big Box Drive

“ Certainly recommend for bang for buck emphasis where durability is not as crucial as SSDs would dictate ”

Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)
Anthony G.
3/28/2025 12:24:45 PM
Good

“ bought to use as an external drive for a plex server, works well for that. ”

Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400
Anonymous
2/11/2025 1:16:21 PM
Exactly what I needed

“ I was using a 5 TB external SSD for running Acronis auto backups and it was basically too small with three backups. ”

WD Elements 8TB USB 3.0 Desktop External Hard Drive WDBWLG0080HBK-NESN Black
Andre I.
7/29/2024 4:45:56 AM
Good value, Work well.

“ It does however work great as and external drive. ”

WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black