KEXIN 512GB USB C Flash Drive Review: The One Thumb Drive for USB C and USB A
If you have ever tried to move large files between a phone and a computer, you already know the pain. Adapters go missing, cables turn into a rat nest, and half the “cheap” flash drives you find are painfully slow. That is why the KEXIN 512GB USB-C Flash Drive caught my eye. It is a dual connector drive with both USB-C and USB-A, and it claims up to 1000MB/s transfer speeds on USB 3.2 Gen 2.
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Quick take
If you want one drive that can plug into modern USB-C devices and older USB-A ports, the KEXIN 512GB dual drive is convenient and surprisingly capable on paper. The real value here is the flexibility. It is the kind of tool you throw on a keychain and use constantly.
What it is
This is a 512GB flash drive with:
Dual connectors: USB-C and USB-A
USB 3.2 Gen 2 support
Claimed speeds up to 1000MB/s
A swivel body that covers and protects the unused connector
A keychain loop so you can keep it on you
That combination matters because USB C is the new normal on phones, tablets, and a lot of laptops, while USB A is still everywhere on desktops, older laptops, car stereos, smart TVs, and random gear in your life.
Who this is for
Here are the people I think will actually get the most value out of it.
Creators moving big files
If you shoot a lot of photos or video, you know storage fills up fast. A small dual drive like this can be a quick way to dump footage off a phone or tablet, transfer it to a laptop, and keep moving.
Students and work backups
If you are constantly bouncing between computers, classes, or workstations, a 512GB drive is enough to carry projects, presentations, PDFs, and backups without playing the “which device has the latest version” game.
Phone storage relief
If your phone storage is always maxed out, this is a simple way to offload photos and videos. The big benefit is no extra adapters. Plug in and move your files.
Anyone tired of dongles
The best feature might be that it removes friction. Less gear, fewer steps, less annoyance.
What I like
Dual connector convenience
USB-C plus USB-A means you are ready for basically anything. That alone is why these drives are so useful.
Swivel design
No caps to lose, and the connectors are protected when not in use. It is a small detail, but it matters for anything you actually carry around.
512GB capacity
This is a lot of space for a drive that fits in a pocket. It is enough for huge photo dumps, multiple video projects, or a full-on backup stash.
Speed claims that actually matter
The whole “up to 1000MB/s” claim is eye-catching. Even if real-world results are lower, this should still be meaningfully faster than basic USB 3.0 drives for large transfers, especially when your device supports the faster standard.
What to watch for
Real-world speeds vary
Transfer speed depends on the device, the port, the file size, and how the drive behaves under sustained writes. Big sequential transfers usually look best on benchmarks. Lots of tiny files can make a flash drive slower. If speed is the main reason you are buying, you should test it on your exact workflow.
Heat and sustained transfers
Fast small drives can warm up under big transfers. That is normal, but it is worth paying attention to if you are moving huge folders regularly.
iPhone and iPad file management
USB-C iPhones make external storage much easier, but the Files app workflow can still be a little clunky depending on what you are moving. It works, just do not expect it to feel like dragging folders on a desktop.
My favorite use cases
Here are a few realistic ways I would use this in day-to-day life:
Quick phone photo and video dump before a trip
Moving a giant folder of project files between machines
Keeping a “portable emergency kit” of drivers, utilities, and installers
Backing up important docs and scans without relying on cloud access
Should you buy it?
If you want a single, simple drive that works with both USB-C and USB-A devices and you like the idea of a lot of storage in a tiny form factor, this is an easy yes. It is especially useful if you often move files between a phone and a computer.
If you need guaranteed top-tier sustained speeds at all times, an external SSD is still the safer choice. But for everyday transfers and portable storage, the KEXIN 512GB dual-connector drive is a really practical option.
FAQ
Does it work with USB-C phones?
Yes, it is designed for USB-C devices, including modern phones and tablets.
Do you need an app?
No, it is plug-and-play.
Is 512GB the full usable capacity?
All storage devices show slightly less usable capacity after formatting, so expect a bit under the labeled number.