The iPhone 15 and 16 Pro's USB-C port unlocks direct ProRes 4K60 recording to external SSDs — but you need at least 220MB/s write speed. We tested and ranked the best portable SSDs for iPhone filmmakers, from MagSafe-friendly drives to ultra-fast raw performers.
The iPhone 15 Pro, 15 Pro Max, 16 Pro, and 16 Pro Max all ship with USB-C — and that means you can record ProRes 4K60 video directly to an external drive. This isn't a niche feature: ProRes 4K60 at high bitrate chews through roughly 12GB per minute of footage.1 Your internal storage fills up fast, and Apple requires a minimum 220MB/s write speed for compatible external storage.1
A portable SSD solves two problems at once: it gives you hours of recording time instead of minutes, and it lets you edit straight from the drive without transferring files.
The SanDisk Creator Phone SSD is built for exactly this use case. It attaches magnetically to the back of your iPhone (MagSafe), so there's no dangling cable during handheld recording.2 It meets the 220MB/s ProRes threshold comfortably and comes in 1TB and 2TB capacities. If you shoot on the go — vlogging, run-and-gun, event coverage — this is the most practical option.
The Samsung T9 delivers read speeds up to 2000MB/s, which is overkill for ProRes 4K60 but matters if you shoot ProRes RAW at higher frame rates or need to offload footage quickly.2 It's compact, runs cool, and includes a USB-C cable. If raw speed is your priority, this is the drive to get.
The SanDisk Extreme is the most popular portable SSD for a reason. It's IP65-rated for dust and water resistance, drop-proof up to 2 meters, and offers read speeds up to 1050MB/s.2 It's not MagSafe-native, but it's the best choice if you travel rough or want one drive for your iPhone and laptop.
The Kingston XS2000 claims 2000MB/s write speeds in a form factor smaller than a credit card.3 It's well above Apple's 220MB/s requirement and even clears the 440MB/s threshold for higher-end ProRes workflows. Great for minimalists who want maximum speed in the smallest package.
The ZIKE Z791C is another magnetic SSD that attaches to MagSafe iPhones, offering a different form factor from the SanDisk Creator.2 It supports ProRes 4K60 recording and is a solid pick if you want the magnetic convenience but prefer a slimmer profile.
| Pick | Speed | Attachment | Durability | Price Band |
|---|---|---|---|---|
| SanDisk Creator Phone SSD | 1000 MB/s read | Magnetic (MagSafe) | Standard | $$ |
| Samsung T9 | 2000 MB/s read | Cable | Standard | $$$ |
| SanDisk Extreme Portable | 1050 MB/s read | Cable | IP65, 2m drop | $$ |
| Kingston XS2000 | 2000 MB/s read | Cable | IP55 | $$ |
| ZIKE Z791C | 1000 MB/s read | Magnetic (MagSafe) | Standard | $ |
220MB/s write speed is the floor. Apple's own documentation states that ProRes 4K60 recording requires a compatible USB-C drive with at least 220MB/s sustained write speed.1 All five picks above clear this bar easily.
Capacity matters. At ~12GB/min, a 1TB drive gives you roughly 80 minutes of ProRes 4K60 footage. A 512GB drive gives you about 40 minutes. Plan accordingly.
MagSafe vs. cable is a workflow choice. Magnetic drives stay attached to your iPhone's back — no cable management, no port strain. Cable-attached drives are more universal (works with laptops, cameras, etc.) but need to be stowed somewhere during mobile recording.
If you shoot video on an iPhone 15 or 16 Pro, an external SSD isn't optional — it's how you actually use the ProRes feature. The SanDisk Creator Phone SSD is the most purpose-built option for mobile filmmakers. The Samsung T9 is the speed king if you need raw performance. Pick the one that fits your workflow.
Disclosure: As an Amazon Associate, AskBuy earns from qualifying purchases. This doesn't affect our recommendations — we only recommend drives that meet the technical requirements for iPhone ProRes recording.
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