Fake SD cards are everywhere, but there’s a simple way to catch them

Released Oct 22, 2026, 6:30 AM EDT

Gavin is the Segment Lead for the Technology Explained, Security, Internet, Streaming, and Entertainment verticals, previous co-host on the Really Useful Podcast, and a regular item customer. He has a degree in Contemporary Writing pillaged from the hills of Devon, more than a years of expert composing experience, and his work has actually appeared on How-To GeekExpert ReviewsTrusted ReviewsOnline Tech Tipsand Help Desk Geekto name a few. Gavin has actually gone to CES, IFA, MWC, and other tech-trade reveals to report straight from the flooring, acquiring numerous countless actions in the procedure. He’s evaluated more earphones, earbuds, and mechanical keyboards than he cares to keep in mind, and delights in massive quantities of tea, parlor game, and football.

Low-cost sd card are the dream. Who does not like stockpiling on discount rate memory and additional storage when it’s offered? I definitely do. Amongst all the remarkable offers and cut-price memory cards, there are phonies– and lots of them.

Even worse than that, phony sd card aren’t restricted to a single site. You can discover phony sd card on Amazon, eBay, and nearly every other significant online shopping website. Essentially, the locations where you believe you’re safe from fraudsters aren’t safe at all.

The good news is, there are a couple of methods to identify a phony microSD card before you purchase, and some helpful methods to evaluate any low-cost microSD cards you’ve currently purchased.

How to find a phony sd card

Some are simpler than others, that’s for sure

There are levels to the phony microSD card video game, as you may anticipate. Some phony microSD cards are basic to area; others have actually been produced to mix in on the significant shopping platforms like Amazon.

There are a couple of actions you can take to figure out if what you’re about to purchase is legitimate or not, and I have a couple of useful examples to assist show the point.

“Xiaomi” 512GB microSD card

At face worth, this Xiaomi-branded microSD card looks entirely typical? While Xiaomi isn’t a substantial brand name in the United States, it’s a worldwide brand name, and this microSD is bring the branding.

What’s incorrect with it?

Well, Xiaomi does not make microSD cards, so what you’ll wind up with is a non-brand sd card that likely does not have anywhere near the capability revealed before you purchase.

Random or generic name brand names

I’m not stating that you can’t get a quality offer on a microSD card by searching and possibly thinking about lesser-known brand names. The proof for this is clear all over– Chinese mobile phone producers are an outright testimony to this.

Going through listings on Temu, Wish, and even Amazon reveals lots of sd card brand names that look ultra-cheap for substantial quantities of storage. These lesser-known (or even totally phony) memory card brand names are normally accompanied by plenty of problems: phony storage, cards that stop working right away, unreadable memory, unsteady storage … the list goes on.

The majority of the time, these random brand name sd card are developed to imitate better-known brand names, like SanDisk or Samsung.

Information that do not match

You might not be amazed, however I’ve examined phony microSD cards before. Last time I examined them out, I discovered a phony Verbatim 512GB microSD that looked exceptionally legitimate. The only issue was that Verbatim didn’t make a card of that size, because branding, at the time.

I could not discover that exact same card this time around. I have actually discovered top quality microSD cards that do not match their main equivalents. The “Verbatim 44082” card I discovered on Wish exists itself as a much better class of sd card than it truly is.

I’ve not purchased among these, so I’m truly unsure what shows up when you purchase one, however the coordinating card is a Verbatim 44010. Now, that’s not a bad sd card considering its specifications, however it’s not what you’re spending for.

And even more to that last point, you can get both of these sd card on Amazon for more than 10 dollars more affordable than Wish, and you have a more powerful warranty you’ll get what you spend for. Amazon is far from best, however I feel more comfy shopping on there than on Wish or Temu.

Evaluate the card before you utilize it

It’s the only method to be particular, and will safeguard your valuable information

If you’ve currently purchased a microSD card and you’re questioning if it’s phony, there are a couple of methods you can evaluate it.

FakeFlashTest

FakeFlashTest is among the fastest and most convenient methods to inspect if your sd card is genuine or not. Established by the very same group as USB multiboot tool RMPrepUSB, FakeFlashTest does not take long to determine the real drive capability.

You can utilize the Quick Size Test to rapidly determine if a drive is phony or not. The Quick Size Test composes and checks out 512 bytes at random sectors throughout the drive. If the write/read procedure stops working, it shows in the log. If you choose an extensive analysis, the Test Empty Space alternative composes and checks out to all offered area on the drive, then compares the distinction.

H2testw

H2testw is among the most popular tools for evaluating out phony sd card. It’s light-weight and finishes the job rapidly with smaller sized drives. It’s on the older side of things, and does not constantly work well with bigger drive capabilities. A minimum of, it can take a long time to finish.

Like FakeFlashTest, H2testw checks the totally free area on the drive by composing files to all readily available area on the gadget, then reading them back.

Battle Flash Fraud (F3)

The previous 2 tools cater particularly to Windows users, however there are choices offered for Linux and macOS users, too.

Combat Flash Fraud is a command line tool that deals with both Linux and macOS, permitting you to inspect and confirm the capability of a USB flash drive likewise to how the other apps work. The only concern is that the routine program is, as discussed, a command line tool, which not everybody is comfy with.

If that does not sound like your cup of tea, you can decide for F3Xa totally free macOS GUI for F3 that makes it much easier to utilize. A comparable Linux GUI for F3, F3-qtis likewise offered.

If it feels too great to be real, it most likely is

Low-cost cards cost more in the end

It’s tough not to get swept up when you discover an outright corker of an offer. Many of the time, when you discover an offer that’s simply a little too remarkable, it’s most likely since there are some significant strings connected.

There are an abstruse quantity of phony microSD cards on the market. You can evaluate each sd card you purchase to make certain you’re not getting a loser, however it’s much easier to simply avoid the trouble totally by preventing phony microSD frauds to start with.

If you end up with a phony microSD card, all is not lost: there are methods you can recycle phony microSD cards and other memory types, so do not toss them away!

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