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You probably already have some microSD cards, but there's also a good chance that you need more. Loads of gadgets need microSD cards, whether it be your phone, Nintendo Switch, camera or drone. The last thing you want is to be caught out with no storage left.

One of the best times to grab a microSD card deal is during one of Amazon's sale events, during which there are massive savings to be had. This year, we get an extra opportunity to save on storage, with the introduction of the Prime Big Deal Days event on October 10 and 11 2023.

The big event may not have started just yet, but some great deals are live early, and you can find them below.

Best SanDisk microSD card deals

SanDisk Extreme 512GB
SanDisk Extreme 512GB microSD
$32 $109 Save $77

A massive 512GB of storage with up to 190MB/s speeds. It's a steal at this price.

SanDisk 256GB microSD Nintendo Switch
SanDisk 256GB microSDXC Card
$22 $26 Save $4

If you're looking to boost the storage on your Nintendo Switch, the officially licensed SanDisk cards are a solid choice - with cute Mario-themed styling to match.

SanDisk Extreme 1TB microSD
SanDisk Extreme 1TB microSD
$90 $103 Save $13

If you need big storage, look no further. 1TB of data squeezed onto a card smaller than your thumbnail, and it's quick, too.

SanDisk Ultra 512GB microSD
SanDisk Ultra 512GB microSD
$29 $45 Save $16

A bargain price for 512GB of storage. It may not be the fastest of the bunch, but 150MB/s is still more than enough for most people's needs.

SanDisk Extreme Pro 128Gb microSD
SanDisk Extreme Pro 128GB microSD card
$19 $25 Save $6

An amazing price for SanDisk's speediest storage. Perfect for high-bitrate 4K video recording with a drone or action camera.

SanDisk Extreme 128GB microSD
SanDisk Extreme 128GB microSD
$13 $26 Save $13

Not quite as fast as the flagship Extreme Pro, but still more than speedy enough for most people at up to 190MB/s. The 128GB model has a whopping 50% off.

SanDisk is one of the most trusted brands in storage, especially when it comes to professional work. The Extreme Pro range consistently offers the highest sustained read and write speeds for the most demanding jobs, while the Ultra range offers great value for casual users.

There are already some excellent deals on these cards, but we're expecting the discounts to ramp up when Prime Day arrives. Be sure to keep an eye on this page, as we'll be hunting down all the best savings.

Best Samsung microSD card deals

Samsung Evo Select 128GB
Samsung EVO Select 128 GB microSD
$10 $20 Save $10

128GB of V30-rated storage from one of the most trusted manufacturers in the business.

Samsung Pro Plus 512GB microSD
Samsung PRO Plus 512GB microSDXC
$35 $59 Save $24

A seriously speedy card with loads of storage from the memory masters at Samsung. This is a great deal on a 512GB card with up to 180MB/s speeds.

Samsung Evo Select 256GB microSD
Samsung Evo Select 256GB microSDXC Card
$17 $25 Save $8

With lots of storage space and ample speeds of up to 130MB/s, the Samsung Evo Select offers tremendous value at its current price.

Samsung Pro Endurance 256GB microSD
Samsung Pro Endurance 256GB microSD
$20 $30 Save $10

If you need something that can handle constant writes, this is the card for you. It's perfect for things like security cameras, dashcams and more. At a price like this, who could resist?

Samsung is one of the largest manufacturers of flash memory in the world, and of course, this expertise transfers over to its brilliant range of microSD cards. Evey Samsung microSD card comes with a full-size SD card adapter, too, making them even more useful.

Samsung has options for everyone, whether you need top performance from its Pro Plus cards, or affordable storage from its Evo Select range. There are even options for niche always-on use cases like dashcams and CCTV.

Other great microSD card deals

PNY Premier 256GB
PNY Premier 256GB microSD (2 pack)
$28 $34 Save $6

Two 256GB cards for a price like this is a hard deal to pass on. Especially when they're V30-rated for 4K video capture.

How we chose these microSD card deals

On this page, we've only included products that we'd be happy using ourselves. We've tested many of these cards in-house, and for those that we haven't, we've relied on expert opinions as well as customer feedback to ensure that the cards are reliable and perform well.

You won't find any unusual no-name brands here, just quality storage from reputable sources. Of course, we factor in the pricing, too. You won't find any phoney deals on this page, just good products with a significant reduction on their MSRP.

More fall Prime Day deals

If you’re looking for more deals on our favourite gadgets, tablets, and more during Prime Day in October, be sure to check out the following:

FAQ

Q: When is Fall Prime Day 2023?

Mark your calendars for October 10 and 11, because that's when the Prime Big Deal Days extravaganza kicks off. Amazon has promised a whirlwind of discounts and special offers that bargain hunters won't want to miss.

Q: Do I need to be a Prime member?

To fully unlock the potential of Prime Big Deal Days, a Prime membership is the way. Some of the best discounts will be reserved for members, so it's worth signing up in advance to ensure that you'll have access to the Lightning Deals and special discounts on the big day.

Not only will you gain access to the best prices, but you'll also enjoy the full suite of Prime benefits, including free delivery, Prime Video, Music, Reading, and more.