Apricorn 18TB Aegis Padlock DT Alternatives: 6 Similar Picks Compared
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You are looking for apricorn 18tb aegis padlock dt alternatives because the original drive focuses on secure, high-capacity storage with hardware encryption. It offers 18TB of space and USB 3.0 connectivity in a desktop form factor. The Apricorn model includes separate admin and user modes for strict access control. However, you might need a different spec, size, feature or brand for your specific workflow. Some users prioritize portability over raw capacity, while others need USB-C connectivity or FIPS validation. Others may prefer a simpler, unencrypted desktop drive for bulk backup tasks. The alternatives were chosen because their specs overlap with the original in terms of interface, capacity, or use case. This list compares 6 similar picks to help you find the right balance of security, speed, and size. You can review the detailed specifications for each option to see how they compare to the Apricorn drive. The selection includes options from brands like Western Digital, Seagate, and Silicon Power. Each product serves a slightly different need within the external storage market. You will find desktop drives, portable SSDs, and rugged options in the following comparison. This guide helps you navigate the choices based on your technical requirements.
Our top pick: Apricorn 18TB Aegis Padlock DT USB 3.0 Drive.
How each alternative compares
Apricorn Aegis Fortress L3 1TB Encrypted SSD
The Apricorn Aegis Fortress L3 swaps the 18TB capacity for 1TB. It uses an SSD form factor, making it much smaller and lighter than the desktop drive. You gain FIPS 140-2 Level 3 validation, which is stricter than standard encryption. This unit suits users protecting small, critical datasets rather than large media libraries. You give up massive storage for portability and higher security certification. The USB 3.0 interface remains the same. Choose this if you need compact, certified security for sensitive files instead of bulk archive space.
G-Technology 14TB G-DRIVE USB 3.0 Desktop
The G-Technology 14TB G-DRIVE offers 14TB, which is less than the 18TB Apricorn. It lacks hardware encryption entirely. You get a desktop form factor with USB 3.0 connectivity, similar to the original. This drive is for users who need large capacity without encryption overhead. You trade security features for potentially simpler operation and lower cost. The silver finish differs from the multicolor Apricorn. Pick this if you manage backups in a trusted environment and do not require access control or data protection at the hardware level.
Silicon Power Armor A60 4TB USB-C Drive
The Silicon Power Armor A60 provides only 4TB, significantly less than 18TB. It features USB-C connectivity alongside USB 3.0. The drive is compact and rugged, designed for physical protection. You lose massive capacity and encryption for portability and durability. The black-green color and small size contrast with the desktop Apricorn. This unit fits users prioritizing physical resilience and modern connectivity over storage volume. Choose this if you transport data frequently and need a durable, small drive rather than a stationary, high-capacity archive solution.
Western Digital 20TB Elements Desktop Hard Drive
The Western Digital 20TB Elements Desktop offers more capacity than the 18TB Apricorn. It lacks hardware encryption and access control features. You get a desktop form factor with USB 3.0. This drive suits users needing raw storage volume without security overhead. You trade the Apricorn’s admin/user modes for simple plug-and-play functionality. The black color is standard. Pick this if you prioritize maximum storage space for backups or archives and do not require data protection features or secure access controls.
WD 20TB Elements Desktop USB 3.0
The WD 20TB Elements Desktop USB 3.0 matches the 20TB capacity, exceeding the 18TB Apricorn. It lacks encryption and is not suitable for macOS. You get a desktop drive with USB 3.0. This option fits Windows users needing bulk storage without security features. You give up the Apricorn’s secure access modes and cross-platform compatibility. The black color is standard. Choose this if you are a Windows user requiring massive, unencrypted storage and do not need the security controls or encryption found in the original Apricorn model.
Seagate Expansion 22TB External Hard Drive
The Seagate Expansion 22TB offers the highest capacity at 22TB, surpassing the 18TB Apricorn. It lacks hardware encryption. You get a desktop form factor with USB 3.0. This drive includes data recovery services, which the Apricorn does not mention. You trade security features for maximum storage and recovery support. The desktop design is similar. Pick this if you prioritize storage volume and data recovery options over encryption. It suits users who need large, unencrypted backup space without the complexity of access control modes.
Quick picks
Our 7 picks
Apricorn 18TB Aegis Padlock DT USB 3.0 Drive
Best for: Secure high-capacity data storage
- Storage Capacity
- 18TB
- Hardware Interface
- USB 3.0
- Dimensions
- 7.2 × 4.5 × 1.5 inches
- Weight
- 3 pounds
View on Amazon: Apricorn 18TB Aegis Padlock DT USB 3.0 Drive
This drive offers 18TB of storage via USB 3.0. It features 256-bit hardware encryption with separate admin and user modes. You get forced enrollment and data recovery PINs. The unit measures 7.2 by 4.5 by 1.5 inches. It suits users needing high capacity with strict access controls.
Pros
- 18TB storage capacity
- 256-bit hardware encryption
- Separate admin and user modes
- Data recovery PINs
Cons
- USB 3.0 interface is slower than USB 3.2
- No mention of Thunderbolt support
- Physical dimensions are bulky for portability
Good fit if
- You need large encrypted storage
- You require strict access control
- You manage sensitive data
Skip if
- You need fast transfer speeds
- You want compact portability
- You prefer wireless connectivity
Verdict: Apricorn 18TB Encrypted USB 3.0 Drive provides secure storage for users who prioritize capacity and access control over speed or size.
Apricorn Aegis Fortress L3 1TB Encrypted SSD
Best for: FIPS validated portable encryption
- Storage Capacity
- 1TB
- Hardware Interface
- USB 3.0
- Dimensions
- 4.75 × 3 × 0.6 inches
- Weight
- 15.2 ounces
View on Amazon: Apricorn Aegis Fortress L3 1TB Encrypted SSD
This is a 1TB portable external drive with a USB 3.0 interface. It features 256-bit AES XTS hardware encryption and FIPS 140-2 Level 3 validation. The drive includes separate admin and user modes plus brute-force defense. It measures 4.75 by 3 by 0.6 inches and weighs 15.2 ounces. You should choose this if you need high-level security for sensitive data on a compact, rugged form factor.
Pros
- FIPS 140-2 Level 3 validated encryption
- 256-bit AES XTS hardware encryption
- Separate admin and user modes
- Brute-force defense features
Cons
- 1TB capacity is much lower than the 18TB competitors
- USB 3.0 interface lacks modern USB-C connectivity
- Higher price point for the storage amount
Good fit if
- You need FIPS 140-2 Level 3 validation
- You require hardware-based encryption
- You prioritize security over raw capacity
Skip if
- You need more than 1TB of storage
- You prefer USB-C connectivity
- You want the lowest cost per terabyte
Verdict: Apricorn 1TB Aegis Fortress L3 fits users who prioritize FIPS 140-2 Level 3 security over storage capacity. It is ideal for protecting small but critical datasets rather than large media libraries.
G-Technology 14TB G-DRIVE USB 3.0 Desktop
Best for: desktop storage with high capacity
- Storage Capacity
- 14TB
- Hardware Interface
- USB 3.0
- Form Factor
- Desktop
- Dimensions
- 7.8 × 5.1 × 1.4 inches
The G-Technology 14TB G-DRIVE is a desktop external hard drive with USB 3.0 connectivity. It measures 1.4 x 5.1 x 7.8 inches and comes in silver. This drive offers high-capacity storage for users needing reliable desktop solutions. It suits those who prioritize capacity and standard USB 3.0 performance over portability or encryption features found in other options.
Pros
- 14TB storage capacity
- USB 3.0 interface
- Desktop form factor
- Compact silver design
Cons
- No hardware encryption
- Lacks USB-C connectivity
- Heavier desktop build
Good fit if
- You need high capacity for desktop use
- You prefer standard USB 3.0 connections
- You want a reliable desktop drive
Skip if
- You require portable storage
- You need hardware encryption
- You prefer USB-C connectivity
Verdict: G-Technology 14TB G-DRIVE USB 3.0 Desktop is a solid choice for users who need large storage capacity in a desktop form factor without the need for encryption or portability.
Silicon Power Armor A60 4TB USB-C Drive
Best for: rugged portable storage with USB-C
- Storage Capacity
- 4TB
- Hardware Interface
- USB-C, USB 3.0
- Compatibility
- PC, Mac
- Dimensions
- 5.47 × 0.91 × 3.39 inches
- Weight
- 8.04 ounces
The Silicon Power Armor A60 is a 4TB rugged portable drive with a USB-C interface and USB 3.0 support. It features military-grade shockproof construction and IPX4 water resistance. The drive includes a cable-carry design for storage. It is formatted as NTFS for Windows, requiring reformatting for Mac use. This compact drive suits users needing durable, portable storage with modern connectivity.
Pros
- USB-C and USB 3.0 interface for fast data transfer
- Military-grade shockproof and IPX4 water-resistant protection
- Cable-carry design for simple storage
- Compact dimensions at 0.91 inches thick
Cons
- 4TB capacity is smaller than the 18TB and 22TB alternatives on this list
- Pre-formatted as NTFS requires reformatting for Mac users
- No hardware encryption mentioned in specifications
Good fit if
- You need a rugged drive for travel or outdoor use
- You prefer USB-C connectivity for newer devices
- You want a compact drive under 1 inch thick
Skip if
- You require large capacity storage exceeding 4TB
- You need hardware encryption for sensitive data
- You use Mac and want plug-and-play compatibility without reformatting
Verdict: Silicon Power 4TB Armor A60 USB-C is a durable, compact option for users prioritizing physical protection and USB-C connectivity over high capacity or encryption.
Western Digital 20TB Elements Desktop Hard Drive
Best for: High-capacity desktop storage without encryption
- Storage Capacity
- 20TB
- Hardware Interface
- USB 3.0
- Form Factor
- Desktop
- Dimensions
- 10 × 2 × 2.7 inches
- Weight
- 10.6 ounces
View on Amazon: Western Digital 20TB Elements Desktop Hard Drive
The WD Elements 20TB is a desktop external hard drive designed for high-capacity storage. It features USB 3.0 connectivity for fast data transfer rates and works with USB 2.0 devices. The drive offers plug-and-play simplicity for Windows 10+ PCs. It is suitable for users who need to store large amounts of photos, videos, and files without managing internal drive space.
Pros
- 20TB storage capacity
- USB 3.0 interface
- Backwards compatible with USB 2.0
- Plug-and-play setup for Windows 10+
Cons
- No hardware encryption
- No included power adapter listed
- Desktop form factor requires external power
Good fit if
- You need massive local storage for media libraries
- You want a simple plug-and-play desktop drive
- You do not require hardware encryption
Skip if
- You need portable USB-C connectivity
- You require built-in hardware encryption
- You need a compact laptop-style drive
Verdict: WD 20TB Elements Desktop Hard Drive fits users who prioritize raw capacity and simple USB 3.0 connectivity over portability or encryption features.
WD 20TB Elements Desktop USB 3.0
Best for: Windows users needing bulk storage
- Storage Capacity
- 20TB
- Hardware Interface
- USB 3.0
- Form Factor
- Desktop
- Dimensions
- 5.31 × 1.89 × 6.53 inches
- Weight
- 1.98 pounds
The WD 20TB Elements is a desktop external hard drive with USB 3.0 connectivity. It offers 20TB of storage in a black, 1.98-pound chassis. The drive is plug-and-play ready for Windows PCs. You need to reformat it for macOS use. It provides high-capacity add-on storage for users needing bulk data retention without encryption features.
Pros
- 20TB high-capacity storage
- USB 3.0 interface
- Plug-and-play Windows compatibility
- Desktop form factor
Cons
- No hardware encryption
- Requires reformatting for macOS
- No included backup software
Good fit if
- You need maximum raw storage capacity
- You use Windows PCs
- You want a simple desktop drive
Skip if
- You require hardware encryption
- You use macOS without reformatting
- You need portable storage
Verdict: WD 20TB Elements Desktop Drive fits users who need massive, unencrypted storage on Windows. It is not suitable for macOS users or those requiring data security features.
Seagate Expansion 22TB External Hard Drive
Best for: High-capacity desktop backup
- Storage Capacity
- 22TB
- Hardware Interface
- USB 3.0
- Form Factor
- Desktop
- Dimensions
- 1.65 × 7.04 × 4.92 inches
- Weight
- 2.65 pounds
The Seagate Expansion 22TB is a desktop external hard drive designed for high-capacity storage. It features a USB 3.0 interface for file transfers and includes Rescue Data Recovery Services for peace of mind. The drive measures 7.04 by 4.92 by 1.65 inches and weighs 2.65 pounds. It supports Windows and Mac computers with automatic recognition, requiring reformatting only for Time Machine.
Pros
- 22TB storage capacity
- USB 3.0 interface
- Includes Rescue Data Recovery Services
- Automatic OS recognition
Cons
- Requires external power adapter
- No hardware encryption
- Larger footprint than portable drives
Good fit if
- You need maximum storage in a single drive
- You want included data recovery services
- You use a desktop setup
Skip if
- You require portable, bus-powered drives
- You need hardware encryption
- You want a compact form factor
Verdict: Seagate Expansion 22TB Desktop HDD offers high capacity and data recovery services for users who prioritize storage volume over portability.
Specifications side by side
| Spec | Apricorn 18TB Aegis Padlock DT USB 3.0 Drive | Apricorn Aegis Fortress L3 1TB Encrypted SSD | G-Technology 14TB G-DRIVE USB 3.0 Desktop | Silicon Power Armor A60 4TB USB-C Drive | Western Digital 20TB Elements Desktop Hard Drive | WD 20TB Elements Desktop USB 3.0 | Seagate Expansion 22TB External Hard Drive |
|---|---|---|---|---|---|---|---|
| Storage Capacity | 18TB | 1TB | 14TB | 4TB | 20TB | 20TB | 22TB |
| Hardware Interface | USB 3.0 | USB 3.0 | USB 3.0 | USB-C, USB 3.0 | USB 3.0 | USB 3.0 | USB 3.0 |
| Form Factor | not specified | not specified | Desktop | not specified | Desktop | Desktop | Desktop |
| Compatibility | not specified | not specified | not specified | PC, Mac | not specified | not specified | not specified |
| Size | 18TB | 1TB | 1.4 in x 5.1 in x 7.8 in | 4TB - USB-C | 20tb | 20TB | 22TB |
| Dimensions | 7.2 × 4.5 × 1.5 inches | 4.75 × 3 × 0.6 inches | 7.8 × 5.1 × 1.4 inches | 5.47 × 0.91 × 3.39 inches | 10 × 2 × 2.7 inches | 5.31 × 1.89 × 6.53 inches | 1.65 × 7.04 × 4.92 inches |
| Weight | 3 pounds | 15.2 ounces | not specified | 8.04 ounces | 10.6 ounces | 1.98 pounds | 2.65 pounds |
| Color | Multicolor | black | Silver | Black-Green | Black | Black | DESKTOP |
| Model | ADT-3PL256-18TB | AFL3-S1TB | 0G10506-1 | SU040TBPHDA60S3KTK | WDBWLG0200HBK-EESN | WDBWLG0200HBK-NESN | STKP22000400 |
Frequently asked questions
Which alternative offers the largest storage capacity?
The Seagate Expansion 22TB External Hard Drive provides the highest capacity at 22TB. This exceeds the 18TB Apricorn drive and the 20TB Western Digital options. It is designed for desktop backup needs where volume matters more than portability. You connect it via USB 3.0 for straightforward data management.
Can I use these drives with Mac computers?
Yes, several options support macOS. The Silicon Power Armor A60 4TB USB-C Drive explicitly lists PC and Mac compatibility. The Apricorn Aegis Padlock DT also works with Mac systems. Most USB 3.0 desktop drives like the G-Technology and Western Digital models are cross-platform compatible for general file storage.
Which drive is the most portable?
The Apricorn Aegis Fortress L3 1TB Encrypted SSD is the most portable option. It measures 3 x 4.75 x 0.6 inches and weighs 15.2 ounces. This compact SSD form factor is much smaller than the desktop drives. It is ideal for carrying small but critical datasets securely.
Do any alternatives include hardware encryption?
The Apricorn Aegis Fortress L3 1TB Encrypted SSD includes FIPS 140-2 Level 3 validation. This provides strict hardware encryption for sensitive data. The original Apricorn 18TB drive also features encryption. Most other listed desktop drives, such as the Western Digital and Seagate models, focus on raw capacity without built-in encryption.
What is the difference between the two WD 20TB drives?
Both are 20TB Western Digital Elements Desktop drives with USB 3.0 interfaces. They differ slightly in physical dimensions and weight. One model measures 10 x 5.31 x 2.7 inches and weighs 1.98 pounds. The other is slightly smaller at 10 x 7.8 x 2 inches. Both serve users needing bulk, unencrypted storage.
Which drive is best for a desktop setup?
The Western Digital 20TB Elements Desktop Hard Drive is a strong choice for desktop setups. It offers 20TB of space in a stable form factor. The G-Technology 14TB G-DRIVE is another solid desktop option. These drives prioritize capacity and stability over the portability features found in smaller USB drives.
Is there a rugged option for portable storage?
The Silicon Power Armor A60 4TB USB-C Drive is built for rugged use. It features a durable design suitable for physical protection. It supports USB-C and USB 3.0 connections. This makes it a compact, tough option for users who need to transport data safely rather than store large media libraries.






