3 best SSDs for iPhone: Fast, secure or cheap

The Best SSDs for Your iPhone: Expand Storage Without the Bulk

Adding storage space to your iPhone is easier than ever—you just need the right SSD. I’ve tested several models that work seamlessly with Apple’s handsets and found three standout options for holding gigabytes of images, video, and more without massively bulking up the device.

So here are the best SSDs for your iPhone. All you need to do now is decide whether you want the tiny drive to emphasize speed, security, or affordability.

Best iPhone SSDs: Practical Solutions

For years, iPhone storage was something users had to get right at the time of purchase. It’s always been expensive, but get too little and you were stuck juggling photos, videos, and apps. But times have changed: the growing support for external solid-state drives means it’s become practical to add significant storage capacity to an iPhone.

With newer iPhone models offering fast USB-C connectivity, users can plug in a compact SSD and instantly expand their available space, offloading large 4K video files, ProRes recordings, and sprawling photo libraries without waiting on cloud uploads or worrying about data caps.

And the right SSD opens up new potential for professional photographers. High-resolution ProRes video can be recorded directly to a fast external drive, bypassing the iPhone’s built-in storage limits and enabling longer shoots without interruption.

Plus, an SSD offers a fast, reliable way to move large files between an iPhone, a Mac, or a PC without relying on wireless transfers.

To be clear, while any drive can plug into a handset’s USB-C port, the best iPhone SSD models are designed to fit against the bottom edge of the device so they aren’t cumbersome additions.

The three recommended here offer these benefits to iPhone users, but each emphasizes different features.

Fast: Planck SSD

The Planck SSD is a purpose-built external drive for iPhone users, especially video creators. The drive sits flush against the handset’s bottom edge and is remarkably compact while still offering up to 2 TB of storage.

Performance is the standout feature, with sustained transfer speeds well above the thresholds needed to record high-bitrate Apple ProRes video directly to the drive. In real-world use, the Planck SSD consistently delivers fast transfer rates, making it suitable for recording extended ProRes footage and quickly offloading files to a computer for editing.

The Planck SSD’s combination of compact design, robust speed, and iPhone-centric workflow makes it a compelling choice for creators who need more room than their internal storage allows and want a streamlined, portable solution.

Secure: Adam Elements iKlips S

The Adam Elements iKlips S is a remarkably compact SSD with built-in biometric security, designed to make external storage both secure and convenient. The tiny USB-C drive uses a fingerprint reader similar to Apple’s Touch ID to unlock files instantly without passwords, a feature that streamlines workflows for professionals handling private documents or confidential work.

In testing, file transfers are quick and reliable, though at about half the data transfer speed of the Planck SSD.

The SSD currently tops out at a modest 256 GB of storage, though a higher-capacity version is in development.

Quick and easy security is the standout feature. Keep prying eyes out of your private files with the Adam Elements iKlips S.

Affordable: SanDisk Extreme Fit USB-C Flash Drive

SanDisk describes the Extreme Fit USB-C Flash Drive as the world’s smallest 1 TB USB-C flash drive, and it’s certainly small enough to not interfere with comfortably holding the iPhone. That said, the diminutive accessory doesn’t sit perfectly flush against the iPhone, so it’s not practical to carry around while inserted.

While the transfer speeds are quick enough for general file movement, they aren’t fast enough for recording high-bitrate ProRes video directly from an iPhone Pro.

What makes this one of the best iPhone SSD options is affordability. Those with small budgets can pick up a 128GB model for only $36.99.

Honorable Mention: Samsung USB Type-C Flash Drive

The Samsung USB Type-C Flash Drive isn’t specifically designed for iPhone, but it is nevertheless quite petite. While it can’t snuggle up against the side of the handset, it’s only an inch wide.

Admittedly, it’s slow. Half the speed of the SanDisk SSD on this list.

Price put it in the “honorable mention” category. The 64GB variant is only $19.99.

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