I tested 4 EATOP flash drives from TikTok. All 4 failed.

They were sold as 6TB combined. Together they held about 156GB. One "1TB" drive held 18MB, barely enough for a handful of photos.

Each bar is what the drive claimed. The yellow sliver is what actually worked.

Drive 1, sold as 1TB139 GB

Drive 2, sold as 2TB16 GB

Drive 3, sold as 2TB500 MB

Drive 4, sold as 1TB18 MB

The striped part is storage that failed testing. Your computer still shows the full size, so files go in, but they don't stay intact.

Watch what happens to your photos.

Say you back up 300GB of photos and videos to a "1TB" drive that really holds about 139GB. That's the best of the four drives I tested. Tap the button and watch.

Copied so far0 GB

Free space the drive reports1.01 TB

The copy said it finished. There was no error. But 13 of 24 files are now damaged, because the drive ran out of real space and quietly wrote over them.

This is a simplified illustration. Fake drives fail in different ways. Some overwrite older files, some lose the newest ones, and some corrupt everything. None of those outcomes are good.

The test, in plain numbers.

I bought all four from the same EATOP seller on TikTok Shop, as a normal customer. Nobody sent me review samples, and nobody knew they would be tested. Every drive was checked with two free tools: ValiDrive and H2testw.

2.6%

of the 6TB these four drives claimed actually passed capacity testing.

Drive	Sold as	Really held	Real
Drive 1	1TB	139 GB	13.7%
Drive 2	2TB	16 GB	0.8%
Drive 3	2TB	500 MB	0.025%
Drive 4	1TB	18 MB	0.0018%
Total	6TB	≈156 GB	2.6%

Drive 1, in detail

Price paid: $28.66
Tested with: ValiDrive and H2testw
Test date: Sept 19, 2026
Drive told the computer: 1,014,706,995,200 bytes
Actually verified: 139,411,918,848 bytes
Missing: About 875 GB

That unit also didn't match the listing photos, and its paperwork had no clearly identifiable manufacturer. Read the full Drive 1 write-up with every number.

"But the seller said it's safe."

Resellers aren't always lying on purpose. Most of them never tested it either. Here's why the usual reassurances don't hold up.

"It says 1TB when I plug it in."

That number comes from the drive itself. Your phone or computer just believes what the chip tells it. A fake drive is programmed to report a bigger size than it has.

"I copied files and they worked."

Of course they did, because the first chunk of storage is real. Trouble starts only after the real part fills up, which could be weeks later.

"It has tons of 5-star reviews."

Most reviews are written the day the drive arrives, long before anyone fills it up. A drive can look perfect right up until it isn't.

"Drives always show less than the box."

True, but formatting and unit differences cost a few percent, not 86%. Nothing normal turns 1TB into 18MB.

This isn't just one bad drive.

Fake-capacity drives are a well-documented problem across online marketplaces. Data recovery labs and tech writers have been warning about them for years.

A data recovery lab took apart several "2TB" drives sent in by customers. Every one was falsely advertised, and one they examined held only 32GB.

Datarecovery.com teardown

Fake drives usually give no error when they run out of real space. Data past the limit is silently overwritten or lost.

How counterfeit capacity behaves

Genuine 1TB flash drives from major brands have typically cost well over $100. A real terabyte for under $30 should raise a flag.

Price comparison and warning

Test your drive for free.

It takes a few minutes and you don't need to be techy. You'll need a computer.

Copy everything off it first
Move anything you care about to your computer or cloud storage before testing. Make sure the files open.
Run ValiDrive (Windows)
Free from grc.com/validrive. Plug in the drive, pick it from the list, and it checks the whole drive in a few minutes. A real drive shows all green.
Want the full proof? Run H2testw
A free tool that fills the entire drive and checks every byte. It takes hours on a big drive, but it's the most thorough test. Mac users can use a tool called F3.
Read the result
If the verified size is far smaller than the box says, the drive is fake. Don't trust it with anything important, even the part that "works."

Already using one?

Stop adding files

Every new file can damage what's already there. Leave it alone until your important stuff is safely copied off.

Copy and check your files now

Open your photos and videos after copying them somewhere else. A file that shows up in the folder isn't necessarily intact.

Ask for a refund

Report it to TikTok Shop or wherever you bought it, and include your test screenshot. I reported mine and got a full refund.

Keep a real backup

Use a name-brand drive from a trusted store, cloud storage, or both. Never keep your only copy of anything on a flash drive.