When you’re constantly working across devices, waiting for files to transfer can drag productivity down one sluggish second at a time. When you’re editing 4K video, backing up entire design libraries, or shuttling data between your MacBook and your PC, speed isn’t a luxury, it’s a necessity. And not just any speed, consistent, reliable, cross-platform performance.
But here’s the catch: not all external SSDs are created equal.
The Cross-Platform Challenge
You might’ve already run into some of these pain points:
- File systems that don’t play nice between Windows and macOS
- Drives that boast high read/write speeds but throttle under real-world workloads
- Compatibility issues with USB standards, Thunderbolt ports, or power delivery
- Security and encryption features that are OS-specific
So, how do you find an external SSD that delivers blazing-fast performance, seamless compatibility, and reliable durability—regardless of your operating system?
That’s Where We Come In
In this guide, we’ve curated and evaluated the best external SSDs that work effortlessly with both Windows and macOS. So, if you’re a creative professional, business user, student, or tech-savvy traveler, you’ll find a drive that fits your workflow and ecosystem.
This article guide is for anyone who works across platforms, whether you use a Mac at the studio and a PC at home, or switch between operating systems throughout your day.
We evaluate external SSDs using five key criteria, each selected for its direct impact on your real-world experience:
- Performance (Read/Write Speeds & Sustained Throughput)
We prioritize drives with high sequential and random read/write speeds, especially those that maintain speed during sustained transfers. Speeds are tested over USB 3.2 Gen 2 and Thunderbolt 3/4 interfaces to reflect mixed-platform usage.
- File System Compatibility & Format Flexibility
We assess how well a drive plays with exFAT, NTFS (Windows), and APFS/HFS+ (Mac). Drives that ship pre-formatted in exFAT or include robust formatting tools score higher for plug-and-play usability.
- Build Quality & Durability
We look at shock resistance, thermal throttling design, IP ratings for water/dust resistance, and the use of metal vs plastic enclosures. For fieldwork or travel, ruggedness matters.
- Port Standards & Cross-Platform Connectivity
We prioritize SSDs with USB-C, USB-A adapters, and native Thunderbolt support to ensure flexibility. Drives with USB 3.2 Gen 2×2 or Thunderbolt 4 support get a higher rating for forward compatibility.
- Security, Software Ecosystem & Value
Features like AES 256-bit hardware encryption, backup utilities, and cross-platform apps are evaluated. Value is calculated based on price-per-gigabyte, warranty length, and real-world performance per dollar.
We’ve selected these SSDs not just because they’re fast—but because they stay fast, work across systems, and fit diverse professional workflows. You can also have a look at the best external ssds with both USB A and USB C.
Here are the top choices when it comes to the External SSDs for Both Windows and Mac:
Contents
- ADATA SE880 4TB - Up to 2000 MBs- SuperSpeed USB 3.2 Gen 2x2 USB-C External Portable SSD
- SanDisk 8TB Extreme Portable SSD - Up to 1050MBs, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance
- Western Digital 1TB My Passport SSD Portable External Solid State Drive
- Crucial X6 1TB Portable SSD - Up to 800MBs - PC and Mac - USB 3.2 USB-C External Solid State Drive
- Corsair EX100U 4TB Portable USB Type-C Storage Drive - Blazing-Fast Storage
- Western Digital 4TB My Passport SSD External Portable Solid State Drive, Grey, Up to 1,050 MBs, USB 3.2 Gen-2 and USB-C Compatible
- SanDisk 1TB Extreme Portable SSD - Up to 1050MBs, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance
- SAMSUNG T7 Touch Portable SSD 2TB ,up to 1050MBs, USB 3.2 External Solid State Drive
- Crucial X6 4TB Portable SSD - Up to 800MBs - PC and Mac - USB 3.2 USB-C External Solid State Drive
- SanDisk 2TB Extreme Portable SSD - Up to 1050MBs, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive
- SanDisk Professional 4TB G-Drive SSD
- SK hynix Beetle X31 2TB Portable SSD
ADATA SE880 4TB - Up to 2000 MBs- SuperSpeed USB 3.2 Gen 2x2 USB-C External Portable SSD |
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| Storage Capacity | 4TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Speed | 500 megabits per second |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2 |
| Color | Grey |
| Casing Material | PVC |
| Weight | 3.84 ounces |
| Power Source | USB Port |
| Features | Encryption, Good performance |
| Reasons to Buy | Large capacity, Good performance, Value for money |
SanDisk 8TB Extreme Portable SSD - Up to 1050MBs, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance |
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|---|---|
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| Storage Capacity | 8TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Rate | 1050MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, USB-C |
| Color | Black |
| Casing Material | Silicone Rubber, PVC, Metal Casing |
| Weight | 1.76 ounces |
| Power Source | USB Port |
| Features | IP65 Water and Dust Resistance |
| Reasons to Buy | Large storage, Fast Speed, Dust Resistant, Water Resistant, Portable, Hardware Encryption |
Western Digital 1TB My Passport SSD Portable External Solid State Drive |
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|---|---|
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| Storage Capacity | 1TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS |
| Data Transfer Speed | 1050MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, USB TyPE C |
| Color | Black |
| Casing Material | PVC |
| Weight | 0.3 ounces |
| Power Source | USB Port |
| Features | Hardware encryption |
| Reasons to Buy | Reliable storage |
Crucial X6 1TB Portable SSD - Up to 800MBs - PC and Mac - USB 3.2 USB-C External Solid State Drive |
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|---|---|
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| Storage Capacity | 1TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Speed | 800MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2 |
| Color | Black |
| Material | Silicone Rubber, PVC, Metal Casing |
| Weight | 1.48 ounces |
| Power Source | USB Port |
| Features | Shock proof, dust proof |
| Reasons to Buy | Lightweight |
Corsair EX100U 4TB Portable USB Type-C Storage Drive - Blazing-Fast Storage |
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|---|---|
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| Storage Capacity | 4TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Speed | 1600MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, Type C |
| Color | Black |
| Casing Material | PVC |
| Weight | 0.705 ounces |
| Power Source | USB Port |
| Features | Protective cap, small footprint, secure data transfer |
| Reasons to Buy | High spped, large storage, value for money, highly functional |
Western Digital 4TB My Passport SSD External Portable Solid State Drive, Grey, Up to 1,050 MBs, USB 3.2 Gen-2 and USB-C Compatible |
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|---|---|
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| Storage Capacity | 4TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS |
| Data Transfer Speed | 1050MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, USB TyPE C |
| Color | Black |
| Casing Material | PVC |
| Weight | 0.3 ounces |
| Power Source | USB Port |
| Features | Hardware encryption |
| Reasons to Buy | Reliable, good performance |
SanDisk 1TB Extreme Portable SSD - Up to 1050MBs, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance |
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|---|---|
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| Storage Capacity | 1TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Rate | 1050MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, USB-C |
| Color | Black |
| Casing Material | Silicone Rubber, PVC, Metal Casing |
| Weight | 1.76 ounces |
| Power Source | USB Port |
| Features | IP65 Water and Dust Resistance |
| Reasons to Buy | Dust Resistant, Water Resistant, Portable, Hardware Encryption |
SAMSUNG T7 Touch Portable SSD 2TB ,up to 1050MBs, USB 3.2 External Solid State Drive |
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|---|---|
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| Storage Capacity | 2TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Speed | 1050MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2 |
| Color | Black |
| Casing Material | PVC, Metal Casing |
| Weight | 2 ounces |
| Power Source | USB Port |
| Features | Fingerprint Security |
| Reasons to Buy | Secure, encryption |
Crucial X6 4TB Portable SSD - Up to 800MBs - PC and Mac - USB 3.2 USB-C External Solid State Drive |
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|---|---|
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| Storage Capacity | 4TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS |
| Data Transfer Speed | 800MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2 |
| Color | Black |
| Material | Silicone Rubber, PVC, Metal Casing |
| Weight | 1.48 ounces |
| Power Source | USB Port |
| Features | Shock proof, dust proof |
| Reasons to Buy | Large storage |
SanDisk 2TB Extreme Portable SSD - Up to 1050MBs, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive |
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|---|---|
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| Storage Capacity | 2TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Rate | 1050MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, USB-C |
| Color | Black |
| Casing Material | Silicone Rubber, PVC, Metal Casing |
| Weight | 1.76 ounces |
| Power Source | USB Port |
| Features | IP65 Water and Dust Resistance |
| Reasons to Buy | Dust Resistant, Water Resistant, Portable, Hardware Encryption |
SanDisk Professional 4TB G-Drive SSD |
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|---|---|
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| Storage Capacity | 4TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Speed | 1,050 MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, Type C |
| Color | Black |
| Casing Material | Silicone Rubber, Metal |
| Weight | 0.45 ounces |
| Power Source | USB Port |
| Features | Ultra-rugged durability with IP67 water/dust resistance, up to 3M1 drop, and 2000lb crush resistance |
| Reasons to Buy | Durable, Fast Speeds |
SK hynix Beetle X31 2TB Portable SSD |
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|---|---|
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| Storage Capacity | 2TB |
| Storage Drive Type | SSD |
| Operating System Compatibility | Windows OS, Mac OS, Android |
| Data Transfer Speed | 1050MB/s |
| Data Encryption | Yes |
| Encryption | AES 256 Bit |
| Interface | USB 3.2, Type C |
| Color | Darke Grey |
| Casing Material | Metal |
| Weight | 5.6 ounces |
| Power Source | USB Port |
| Features | High speed, encryption |
| Reasons to Buy | Functionality, Size, Speed |
Take a look at; the best eternal ssds for music producers and also the best 4TB external ssds.
