These Amazon Prime Day deals on memory cards are genuinely good value

SanDisk 512GB Extreme PRO SDXC UHS-I: $133.28 $94.99 at Amazon (opens in new tab)
Save 29%: This model is our top pick of memory card for cameras. Not only does it have fast speeds but it's temperature-proof, waterproof, shock-proof and x-ray-proof, too. There are also deals on other sizes in this range, click through to explore.
DEAL EXPIRES 22 JUNE 00:00 (PT)

SanDisk 128GB Extreme PRO CFexpress Card: $181.65 $149.99 at Amazon (opens in new tab)
Save 22%: This little number is our best CFexpress memory card around, perfect for use in top-end mirrorless cameras. It's blisteringly quick – 1400Mb/s, in fact. This is by far the cheapest we've seen this for, over $10 cheaper than the last record-low.
DEAL EXPIRES 22 JUNE 00:00 (PT)

SanDisk Extreme PRO 64GB Compact Flash: $64.99 $49.39 at Amazon (opens in new tab)
Save 24%: A compact flash card may be bulkier than an SD but this is still worth its weight. Included in our roundup for best memory cards, this one works for full HD and 4K, images and video, too. This is only $2 higher than the lowest ever price seen for this model.
DEAL EXPIRES 22 JUNE 00:00 (PT)

PNY 1TB PRO Elite Class 10 microSDXC: $229.99 $170.99 at Amazon (opens in new tab)
Save 26%: The Pro edition of one of our favourite memory cards, this 1TB monster is perfect for tablets, laptops, desktops and more. It's especially good for recording video, and the deal matches the lowest-ever seen, too. 
DEAL EXPIRES 22 JUNE 00:00 (PT)

SanDisk Extreme Pro 128GB: $69.99 $39.99 at Best Buy (opens in new tab)
Save $30: Best Buy has some decent savings on memory cards right now and this is one of the best. You can get $30 off this SDXC UHS-I memory card with 128GB storage. This card has up to 170MB/sec read speed and is designed to withstand shocks and spills.

SanDisk microSDXC 256GB for Nintendo Switch: $99.99 $50.99 at Best Buy (opens in new tab)
Save $49: As the name suggests, this memory card was designed specifically with the Nintendo Switch in mind. It has a lifetime warranty, up to 100MB/s read speed and 256GB of storage. And, it's a fun yellow colour!

SanDisk Flash memory card 64GB: $27.99 $10.99 at Walmart (opens in new tab)
Save $17: This is a reasonable saving on a basic but decent memory card. It has write speeds of up to 100MB/s and 64GB of memory. At the time of writing the US Amazon Prime Day deals have yet to begin, but hopefully this is just a small taste of what's to come.

SanDisk Extreme PRO 512GB SDXC: £258.99 £99.99 at Amazon (opens in new tab)
Save £159: This card is at the top of our memory card buying guide, and the shot speeds of 90MB/s and transfer speeds of 170MB/s are great for power users. Though it was on sale at just £136.95 prior to Prime Day, this price is by far the lowest it's ever been (by £30). There are deals across the range – just click for different size cards.
DEAL EXPIRES 22 JUNE 00:00 (BST)

SanDisk Extreme PRO microSDXC 128GB: £56.99 £19.99 at Amazon (opens in new tab)
Save 65%: Versatility on a budget with this card (and one of the best microSD cards in our memory cards roundup). It was on sale for £28.20 before Prime Day so it isn't quite the steal it looks but this price is only £1 off the cheapest ever so still a good deal.
DEAL EXPIRES 22 JUNE 00:00 (BST)

SanDisk Ultra 400 GB microSDXC + SD Adapter: £76.99 £42.99 at Amazon (opens in new tab)
Save £34: This is a genuinely solid deal on a card that's especially good for smartphones. With up to 120MB/s transfer speeds, you can shift your files quickly and you get an SD adapter, too.
DEAL EXPIRES 22 JUNE 00:00 (BST)