Best Western Digital NAS Hard Drives with USB-C: 8 Spec-Based Picks
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Finding the right western digital NAS hard drive with USB-C depends on your storage needs and system setup. We compared 8 models based strictly on the specifications published on their official listings.
The WD 4TB My Passport Ultra for Mac Portable HDD leads the list by offering 4TB of storage, native USB-C connectivity, and built-in hardware encryption in a compact 0.5-inch enclosure. This guide helps you decide which drive matches your requirements for capacity, physical dimensions, and operating system compatibility.
Quick picks
The best fit for you
- You need encrypted 4TB storage designed for your Mac WD 4TB My Passport Ultra for Mac Portable HDD This drive features 4TB capacity, built-in hardware encryption, and native Mac compatibility with USB-C connectivity.
- You need durable outdoor storage for rugged field backups G-Technology ArmorATD 5TB Rugged USB-C Hard Drive It pairs 5TB of USB-C storage with an IP54-rated, shock-resistant build for physical protection.
- You need massive stationary desktop storage with dual bays WD 36TB My Book Duo 2-Bay Desktop Drive The 2-bay desktop unit offers 36TB of storage with hardware encryption and RAID support.
- You want the slimmest lightweight portable drive for Mac WD My Passport for Mac 2TB USB-C External Hard Drive At 0.44 inches thin and 4.23 ounces, it offers 2TB of USB-C storage with Mac compatibility.
Our 8 picks
WD 4TB My Passport Ultra for Mac Portable HDD
Best for: Mac users needing portable encrypted USB-C storage
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 4TB
- Compatibility
- Mac
- Dimensions
- 4.33 × 3.23 × 0.5 inches
- Weight
- 8.16 ounces
View on Amazon: WD 4TB My Passport Ultra for Mac Portable HDD Affiliate link
This portable external hard drive gives you 4TB of storage with USB-C and USB 3.1 connectivity in a metal enclosure. It measures 0.5 inches thick and weighs 8.16 ounces. The unit comes formatted for Mac systems and includes 256-bit AES hardware encryption with password protection. It suits you if you need a compact, portable drive to attach directly to your USB-C Mac setup for regular backups.
Pros
- USB-C and USB 3.1 interface
- 4TB storage capacity
- 256-bit AES hardware encryption with password protection
- Refined metal cover
Cons
- Formatted specifically for Mac out of the box
- Requires computers upgraded with the latest version of macOS
Good fit if
- You use a Mac system with USB-C or USB 3.1 ports.
- You need 4TB of portable storage with built-in hardware encryption.
- You want a slim metal drive measuring 0.5 inches thick.
Skip if
- You need out-of-the-box setup for Windows without reformatting.
- You run older versions of macOS that are not updated.
Verdict: Western Digital 4TB My Passport Ultra for Mac provides high-capacity external storage with built-in hardware encryption and direct USB-C connectivity. It is a practical fit if you need a slim, portable drive configured for macOS.
G-Technology ArmorATD 5TB Rugged USB-C Hard Drive
Best for: outdoor field backups requiring physical durability
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 5TB
- Dimensions
- 5.2 × 3.46 × 1.18 inches
- Weight
- 12.3 ounces
View on Amazon: G-Technology ArmorATD 5TB Rugged USB-C Hard Drive Affiliate link
This portable hard drive gives you 5TB of external storage over a USB-C connection using the USB 3.1 Gen 1 interface. It features triple-layer shock resistance alongside an IP54 rain- and dust-resistant enclosure rated for up to 1,000 pounds of crush force. It suits you if you need a durable drive to back up data across Mac or Windows systems in harsh or outdoor environments.
Pros
- 5TB storage capacity with USB-C and Thunderbolt 3 compatibility
- IP54 rain- and dust-resistant enclosure
- Triple-layer shock resistance with 1,000-pound crush rating
- Out-of-the-box support for both Mac and Windows systems
Cons
- Weighs 12.3 ounces due to the reinforced casing
- Thicker 1.18-inch profile compared to the 0.83-inch 2TB option
- Interface speed limited to USB 3.1 Gen 1
Good fit if
- You need IP54 protection against rain, dust, and crushing force.
- You require 5TB of portable capacity across Mac and Windows computers.
- You connect your external storage using USB-C or Thunderbolt 3 ports.
Skip if
- You need a slim external drive under one inch thick.
- You prefer an ultra-lightweight enclosure under 12 ounces.
- You require data transfer rates faster than USB 3.1 Gen 1.
Verdict: Western Digital 5TB ArmorATD Portable Hard Drive pairs 5TB of USB-C storage with an IP54-rated, shock-resistant build for demanding environments. It provides reliable physical protection and multi-OS support for off-site data backups.
WD My Passport for Mac 2TB USB-C External Hard Drive
Best for: budget-conscious Mac backups over USB-C
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 2TB
- Compatibility
- Mac
- Dimensions
- 4.22 × 2.95 × 0.44 inches
- Weight
- 4.23 ounces
View on Amazon: WD My Passport for Mac 2TB USB-C External Hard Drive Affiliate link
This portable 2TB external hard drive provides storage in a 0.44-inch slim enclosure weighing 4.23 ounces. It connects through a USB-C interface and includes a USB 3.0 adapter for legacy ports. You get built-in compatibility with Time Machine and password protection through WD Security software. It suits you if you need a lightweight, pocket-sized drive for everyday backups and file transfers across Mac and PC systems.
Pros
- Native USB-C interface with included USB 3.0 adapter
- Slim 0.44-inch profile and light 4.23-ounce weight
- Password protection support via WD Security software
- Out-of-the-box compatibility with Time Machine
Cons
- Storage capacity capped at 2TB
- Relies on mechanical HDD storage rather than solid-state memory
Good fit if
- You need a compact 2TB drive that connects directly to USB-C ports.
- You use Time Machine to back up files on macOS.
- You want password-protected storage via WD Security.
Skip if
- You require capacities higher than 2TB for your backups.
- You need the transfer speeds of a solid-state drive.
Verdict: WD 2TB My Passport for Mac USB-C Drive offers straightforward 2TB mobile storage with direct USB-C connectivity and Time Machine support. Its slim 0.44-inch profile makes it a practical, portable option for basic system backups.
WD 36TB My Book Duo 2-Bay Desktop Drive
Best for: high-capacity desktop setups needing RAID protection
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 36TB
- Form Factor
- Desktop
- Number of Bays
- 2-Bay
- Dimensions
- 7.09 × 6.3 × 3.94 inches
- Weight
- 4.41 pounds
View on Amazon: WD 36TB My Book Duo 2-Bay Desktop Drive Affiliate link
The WD 36TB My Book Duo gives you massive dual-drive desktop storage connected via USB-C. It comes configured in RAID 0 for full 36TB capacity and speed, but you can switch it to RAID 1 for data mirroring or use it as JBOD. It also includes two USB-A hub ports for extra peripherals and 256-bit AES hardware encryption. This fits creators and power users who need high-capacity centralized local storage at their desk.
Pros
- 36TB total storage capacity across two bays
- Hardware RAID options including RAID 0, RAID 1, and JBOD
- Built-in two-port USB 3.0/3.2 Gen 1 Type-A hub
- Hardware-based 256-bit AES encryption with password protection
Cons
- Desktop footprint weighing 4.41 pounds is not designed for mobility
- Interface capped at USB 3.1 Gen 1 speeds
Good fit if
- You need massive 36TB capacity with optional RAID 1 mirroring.
- You want integrated USB-A ports to connect accessories to your workstation.
Skip if
- You need a lightweight, bus-powered portable drive for travel.
- You require speeds exceeding USB 3.1 Gen 1 bandwidth.
Verdict: WD 36TB My Book Duo 2-Bay Desktop Hard Drive delivers expansive capacity and flexible RAID arrays for demanding desktop storage needs. It functions as a complete stationary storage hub with built-in ports and hardware encryption.
WD 4TB My Passport Portable Hard Drive
Best for: encrypted portable USB-C and USB-A backups
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 4TB
- Compatibility
- PC, Mac
- Dimensions
- 4.22 × 2.95 × 0.75 inches
- Weight
- 1.62 ounces
View on Amazon: WD 4TB My Passport Portable Hard Drive Affiliate link
This portable external drive gives you 4TB of storage with native support for both USB-C and USB-A connections. Built-in 256-bit AES hardware encryption protects your data, while the 1.62-ounce enclosure measures 4.22 inches long for direct portability. A 3-year limited warranty backs the hardware. It suits you if you need compact, secure external storage across Windows, Mac, Chromebook, and mobile systems.
Pros
- Dual USB-C and USB-A compatibility across PC, Mac, and mobile
- Hardware 256-bit AES encryption with password protection
- Compact 1.62-ounce enclosure measuring 4.22 inches long
- Included device management backup software
- 3-year limited warranty coverage
Cons
- Capped at 4TB capacity
- Lacks a ruggedized or drop-resistant enclosure
Good fit if
- You need 4TB of encrypted portable storage across both USB-C and USB-A ports.
- You want a lightweight drive weighing under 2 ounces for travel.
- You require hardware-level 256-bit AES password protection for your files.
Skip if
- You need higher storage capacity than 4TB.
- You require an all-terrain, shock-resistant outer shell.
Verdict: Western Digital 4TB My Passport USB-C Hard Drive delivers 4TB of hardware-encrypted portable capacity with dual USB-C and USB-A compatibility. It provides reliable, lightweight local file storage backed by a 3-year warranty.
WD 5TB My Passport Portable Hard Drive
Best for: encrypted high-capacity multi-platform portable backups
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 5TB
- Compatibility
- PC, Mac
- Dimensions
- 4.22 × 2.95 × 0.75 inches
- Weight
- 7.36 ounces
View on Amazon: WD 5TB My Passport Portable Hard Drive Affiliate link
This portable external drive gives you 5TB of storage space with native support for both USB-C and USB-A connections. Built-in 256-bit AES hardware encryption and password protection keep your files secure across Windows, Mac, and Chromebook systems. At 7.36 ounces and under an inch thick, it fits easily into a gear bag or workstation setup if you need large-capacity portable backups without external power supplies.
Pros
- 5TB storage capacity in a 7.36-ounce portable enclosure
- Hardware-based 256-bit AES encryption with password protection
- Direct compatibility across USB-C and USB-A ports
- Included device management backup software and 3-year limited warranty
Cons
- Thicker 0.75-inch profile than lower-capacity drive models
- No ruggedization or ingress protection ratings listed
Good fit if
- You need 5TB of portable capacity paired with hardware encryption.
- You alternate between USB-C and USB-A host devices regularly.
- You want automated backup management software included with your drive.
Skip if
- You need a rugged, drop-resistant enclosure for outdoor fieldwork.
- You require an ultra-thin portable drive under half an inch thick.
Verdict: Western Digital 5TB My Passport USB-C Drive delivers maximum portable capacity alongside built-in 256-bit AES encryption for secure data handling. Its dual USB-C and USB-A compatibility makes it a flexible choice for cross-platform backup routines.
WD 2TB My Passport Portable Hard Drive
Best for: portable encrypted storage across USB-C and USB-A
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 2TB
- Compatibility
- PC, Mac
- Dimensions
- 4.22 × 2.95 × 0.53 inches
- Weight
- 4.96 ounces
View on Amazon: WD 2TB My Passport Portable Hard Drive Affiliate link
This portable hard drive gives you 2TB of external storage with direct support for both USB-C and USB-A interfaces. Measuring 0.53 inches thin and weighing 4.96 ounces, it includes 256-bit AES hardware encryption to keep sensitive data secured. Backed by a three-year limited warranty, it suits you if you need a lightweight, pocket-sized drive for transferring and backing up everyday files between modern laptops, tablets, and gaming consoles.
Pros
- Supports both USB-C and USB-A hardware connections
- 256-bit AES hardware encryption with password protection
- Compact 0.53-inch thickness and 4.96-ounce weight
- Includes a 3-year limited warranty
Cons
- 2TB capacity is lower than larger portable alternatives
- Single-drive design offers no internal RAID protection
Good fit if
- You need a pocketable 2TB drive that connects to USB-C and USB-A ports.
- You want built-in 256-bit AES hardware encryption for securing files.
- You transfer data across multiple platforms including Windows, Mac, and Chromebook.
Skip if
- You require high-capacity storage greater than 2TB.
- You need a multi-drive desktop enclosure with RAID redundancy.
Verdict: Western Digital 2TB My Passport USB-C Drive delivers compact, encrypted external storage with dual USB connectivity for versatile daily use. It is a dependable pick when you need lightweight portability and cross-platform compatibility.
Western Digital 1TB Elements USB-C Portable Drive
Best for: lightweight 1TB portable USB-C backups
- Hardware Interface
- USB-C (what this guide is about)
- Storage Capacity
- 1TB
- Compatibility
- Mac
- Dimensions
- 4.36 × 3.24 × 0.59 inches
- Weight
- 4.59 ounces
View on Amazon: Western Digital 1TB Elements USB-C Portable Drive Affiliate link
The WD Elements 1TB USB-C Portable Hard Drive gives you compact external storage for quick data backups. It features a native USB-C interface, a slim 0.59-inch profile, and a light 4.59-ounce weight. You get plug-and-play operation for Mac and Windows systems without extra power adapters. This capacity suits you if you need reliable baseline storage for essential documents, media libraries, or drive backups on the go.
Pros
- Native USB-C interface for direct plug-and-play connectivity
- Lightweight enclosure at 4.59 ounces and 0.59 inches thick
- Includes a 3-year limited warranty
- Built with over 50% recycled plastic materials
Cons
- Smallest capacity option in the lineup at 1TB
- Lacks a rugged exterior drop bumper
Good fit if
- You need a compact 1TB drive that connects directly via USB-C.
- You prioritize portability with a drive weighing under 5 ounces.
- You want basic plug-and-play storage compatible with Windows and Mac.
Skip if
- You require multi-terabyte capacity for large local media archives.
- You need an all-terrain drive with rugged drop protection.
Verdict: WD Elements 1TB USB-C Portable Hard Drive delivers baseline external capacity in a slim, lightweight form factor. It provides straightforward USB-C connectivity with a 3-year warranty for everyday storage needs.
Specifications side by side
| Spec | WD 4TB My Passport Ultra for Mac Portable HDD | G-Technology ArmorATD 5TB Rugged USB-C Hard Drive | WD My Passport for Mac 2TB USB-C External Hard Drive | WD 36TB My Book Duo 2-Bay Desktop Drive | WD 4TB My Passport Portable Hard Drive | WD 5TB My Passport Portable Hard Drive | WD 2TB My Passport Portable Hard Drive | Western Digital 1TB Elements USB-C Portable Drive |
|---|---|---|---|---|---|---|---|---|
| Storage Capacity | 4TB | 5TB | 2TB | 36TB | 4TB | 5TB | 2TB | 1TB |
| Hardware Interface | USB-C, USB 3.1 | USB-C, USB 3.1 Gen 1 | USB-C | USB 3.1 Gen 1 | USB-C, USB-A | USB-C, USB-A | USB-C, USB-A | USB-C |
| Form Factor | not stated | not stated | not stated | Desktop | not stated | not stated | not stated | not stated |
| Compatibility | Mac | not stated | Mac | not stated | PC, Mac | PC, Mac | PC, Mac | Mac |
| Number of Bays | not stated | not stated | not stated | 2-Bay | not stated | not stated | not stated | not stated |
| Size | 4TB | 5TB | 2TB | 36 TB | 4TB | 5TB | 2TB | 1TB |
| Dimensions | 4.33 × 3.23 × 0.5 inches | 5.2 × 3.46 × 1.18 inches | 4.22 × 2.95 × 0.44 inches | 7.09 × 6.3 × 3.94 inches | 4.22 × 2.95 × 0.75 inches | 4.22 × 2.95 × 0.75 inches | 4.22 × 2.95 × 0.53 inches | 4.36 × 3.24 × 0.59 inches |
| Weight | 8.16 ounces | 12.3 ounces | 4.23 ounces | 4.41 pounds | 1.62 ounces | 7.36 ounces | 4.96 ounces | 4.59 ounces |
| Color | Silver | not stated | Midnight blue | black | Grey | Grey | Grey | Black |
| Model | WDBPMV0040BSL-WESN | 0G10478-1 | WDBA2D0020BBL-WESN | WDBFBE0360JBK-EESN | WDBRMD0040BGY-WESN | WDBRMD0050BGY-WESN | WDBWML0020BGY-WESN | WDBDTV0010BBK |
If you need portable storage rather than fixed network capacity, you can compare the best USB flash drives with USB-C.
Choosing the Right Western Digital USB-C Drive
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Check Operating System Compatibility
Operating system compatibility determines whether a drive works immediately with your setup. Certain drives list support exclusively for Mac, preformatted for macOS environments and Time Machine tools. Other models, like the WD 4TB My Passport Portable Hard Drive, list compatibility for both PC and Mac systems. If you work across Windows and macOS, select a drive specifying cross-platform support. Checking this specification before buying prevents the need to reformat the file system before your first backup.
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Evaluate Hardware Encryption Specs
Data security specifications vary across external storage models. If you transport confidential files or off-site archives, verify whether the drive includes hardware-based protection. The WD 5TB My Passport Portable Hard Drive provides built-in 256-bit AES hardware encryption to keep unauthorized users from accessing your records. In contrast, basic drives omit integrated security features entirely. Choosing a model with hardware encryption offloads cryptographic tasks from your computer, ensuring steady transfer performance while protecting data if the physical hardware is lost.
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Match Connector and Cable Specs
Every drive on this list features a USB-C interface, but host compatibility can differ across hardware setups. Certain portable units, such as the WD 2TB My Passport Portable Hard Drive, offer dual USB-C and USB-A compatibility straight out of the box. This specification matters if you connect your storage to older workstations alongside modern USB-C laptops. If you regularly switch between different computer generations, check whether legacy USB-A support is explicitly listed so you avoid carrying extra third-party adapters or interface converters.
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Review Environmental Protection Ratings
Standard portable hard drives use plastic or metal cases meant solely for indoor office use. If you handle outdoor deployments or fieldwork, look for ingress protection and shock tolerance ratings. The G-Technology ArmorATD 5TB Rugged USB-C Hard Drive features an IP54-rated, shock-resistant build to withstand dust and rain splashes on location. Standard external drives do not publish ingress protection standards. Comparing physical enclosure specifications ensures your drive survives demanding environments where sudden drops, surface impacts, moisture exposure, or rough transport could compromise vulnerable internal storage platters.
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Select the Right Capacity
Storage capacities in this category span from 1TB up to multi-terabyte volumes. A 1TB drive like the Western Digital 1TB Elements USB-C Portable Drive fits basic routine document backups and secondary system storage. If you handle expansive media libraries, system image archives, or multi-year local histories, 4TB or 5TB options prevent premature drive exhaustion. Selecting the right capacity specification upfront saves you from managing multiple external drives later. Balance your anticipated archive growth over several seasons against the storage volume specified on the box.
Frequently asked questions
Can you connect a USB-C external hard drive directly to a NAS?
Yes, you can attach a USB-C external drive directly to a compatible NAS enclosure. Network storage systems often use external ports for offsite backups, expanding primary storage pool space, or transferring files quickly without network overhead. Drives like the G-Technology ArmorATD 5TB provide durable direct-attached storage for ingesting field data onto your primary network array.
What is the highest capacity available in a Western Digital USB-C drive?
The WD 36TB My Book Duo provides 36TB across a 2-bay desktop configuration, making it the highest capacity option in this lineup. This unit serves stationary storage setups requiring massive local volume sizes and hardware RAID support. Portable options peak lower, with models like the G-Technology ArmorATD and WD My Passport reaching 5TB.
How does hardware encryption work on Western Digital portable drives?
Hardware encryption processes data security directly on the drive controller rather than relying on host computer system resources. Models like the WD 5TB My Passport feature built-in 256-bit AES hardware encryption. This ensures your files remain protected if the drive is misplaced, maintaining robust security without slowing down your everyday read and write transfer speeds.
Can you use a Mac-formatted Western Digital drive with Windows computers?
You can use dedicated Mac models on Windows, but they require reformatting first. Drives like the WD My Passport for Mac come configured specifically for macOS and Apple Time Machine out of the box. To share files between both operating systems without reformatting, choose multi-platform drives like the standard WD My Passport line featuring dual PC and Mac compatibility.
What makes a rugged USB-C hard drive different from standard portable drives?
Rugged drives prioritize physical survival in challenging environments rather than ultra-thin profiles. The G-Technology ArmorATD 5TB includes an IP54 weather-resistance rating and shock-resistant internal suspension to withstand drops and dust exposure. Standard external hard drives emphasize lighter weight and slimmer enclosures for simple desktop or everyday commuter transport rather than heavy outdoor or field usage.
Can portable Western Digital drives connect to standard USB-A ports?
Yes, specific models provide dual compatibility across modern USB-C and legacy USB-A ports. The WD 2TB, 4TB, and 5TB My Passport portable hard drives list compatibility for both connection types. This versatility allows you to swap files easily between older desktop computers, modern laptops, or networked storage hubs without needing dedicated interface conversion hardware.
What is the physical size difference between desktop and portable USB-C drives?
Desktop drives require significantly more desk space and weigh more due to internal multi-bay enclosures. For example, the WD 36TB My Book Duo weighs 4.41 pounds and measures over 7 inches long. In contrast, portable drives like the 2TB My Passport weigh under 5 ounces and stay under 0.55 inches thin for mobile pocket transport.