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microSDXC Memory Cards

We stock microSDXC memory cards from some of the worlds leading brands including Kingston, Samsung and SanDisk. microSDXC memory cards are currently available in capacities of 64GB, 128GB, 256GB, 400GB and 512GB. microSDXC cards are perfect for todays smartphones as they offer high capacity with fast speeds to handle the latest requirements for Video such as For 1080P Full HD Video and For 4K Video. You can also find below microSDXC cards with the latest features such as A1 and A2 App ratings for faster loading of Apps to your device!

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MicroSDXC

  • SanDisk 128GB Ultra microSDXC Memory Card & Reader
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: 7 Years
£24.99 (inc. VAT) £20.83 (ex. VAT)
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  • SanDisk 64GB Ultra microSDXC Memory Card & Reader
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: 7 Years
£16.99 (inc. VAT) £14.16 (ex. VAT)
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  • Kingston 512GB Canvas React microSDXC Memory Card
  • Capacity: 512GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Up To 80MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video
  • Includes SD Adapter: Yes
  • Warranty: Lifetime
£145.99 (inc. VAT) £121.66 (ex. VAT)
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  • Samsung 512GB Evo Plus microSDXC Memory Card
  • Capacity: 512GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video
  • SD Adapter Included? Yes
  • Warranty: 10 Years
£148.99 (inc. VAT) £124.16 (ex. VAT)
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  • SanDisk 128GB Ultra microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: 7 Years
£18.99 (inc. VAT) £15.83 (ex. VAT)
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  • SanDisk 128GB Extreme microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 160MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£32.99 (inc. VAT) £27.49 (ex. VAT)
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  • SanDisk 256GB Extreme microSDXC Memory Card
  • Capacity: 256GB
  • Format: microSDXC
  • Read Speed: Up To 160MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£84.99 (inc. VAT) £70.83 (ex. VAT)
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  • SanDisk 400GB Extreme microSDXC Memory Card
  • Capacity: 400GB
  • Format: microSDXC
  • Read Speed: Up To 160MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£193.99 (inc. VAT) £161.66 (ex. VAT)
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  • SanDisk 128GB Extreme microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 160MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£32.99 (inc. VAT) £27.49 (ex. VAT)
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  • SanDisk 400GB Extreme Pro microSDXC Memory Card
  • Capacity: 400GB
  • Format: microSDXC
  • Read Speed: Up To 170MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£160.99 (inc. VAT) £134.16 (ex. VAT)
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  • Kingston 256GB Canvas React microSDXC Memory Card
  • Capacity: 256GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Up To 80MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • Includes SD Adapter: Yes
  • Warranty: Lifetime
£68.99 (inc. VAT) £57.49 (ex. VAT)
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  • SanDisk 64GB Extreme microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 160MB/s
  • Write Speed: Up To 60MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£19.99 (inc. VAT) £16.66 (ex. VAT)
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  • SanDisk 64GB Extreme Pro microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 170MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£24.99 (inc. VAT) £20.83 (ex. VAT)
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  • SanDisk 128GB Extreme Pro microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 170MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£38.99 (inc. VAT) £32.49 (ex. VAT)
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  • SanDisk 256GB Extreme Pro microSDXC Memory Card
  • Capacity: 256GB
  • Format: microSDXC
  • Read Speed: Up To 170MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£96.99 (inc. VAT) £80.83 (ex. VAT)
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  • SanDisk 64GB Extreme Plus microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 170MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty:
£33.99 (inc. VAT) £28.33 (ex. VAT)
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  • SanDisk 128GB Extreme Plus microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 170MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty:
£57.99 (inc. VAT) £48.33 (ex. VAT)
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On Back Order - Available to order
  • SanDisk 256GB Extreme Plus microSDXC Memory Card
  • Capacity: 256GB
  • Format: microSDXC
  • Read Speed: Up To 170MB/s
  • Write Speed: Up To 90MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty:
£163.99 (inc. VAT) £136.66 (ex. VAT)
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  • SanDisk 64GB Extreme microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 160MB/s
  • Write Speed: Up To 60MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£19.99 (inc. VAT) £16.66 (ex. VAT)
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  • Kingston 128GB Canvas React microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Up To 80MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • Includes SD Adapter: Yes
  • Warranty: Lifetime
£31.99 (inc. VAT) £26.66 (ex. VAT)
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  • Kingston 64GB Canvas React microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Up To 80MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • Includes SD Adapter: Yes
  • Warranty: Lifetime
£17.99 (inc. VAT) £14.99 (ex. VAT)
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  • Kingston 128GB Canvas Go microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 90MB/s
  • Write Speed: Up To 45MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£30.99 (inc. VAT) £25.83 (ex. VAT)
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  • Kingston 64GB Canvas Go microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 90MB/s
  • Write Speed: Up To 45MB/s
  • UHS Speed Class: U3
  • Video Support: For 4K Video (V30)
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£15.99 (inc. VAT) £13.33 (ex. VAT)
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  • Kingston 64GB Canvas Select microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£10.99 (inc. VAT) £9.16 (ex. VAT)
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  • Kingston 128GB Canvas Select microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£20.99 (inc. VAT) £17.49 (ex. VAT)
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  • Kingston 256GB Canvas Select microSDXC Memory Card
  • Capacity: 256GB
  • Format: microSDXC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: Lifetime
£52.99 (inc. VAT) £44.16 (ex. VAT)
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  • Free Delivery Available
  • 100% Money Back Guarantee
  • Same Day Despatch
£4.99 (inc. VAT) £4.16 (ex. VAT)
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  • SanDisk 64GB Ultra microSDHC Memory Card
  • Capacity: 64GB
  • Format: microSDHC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? No
  • Warranty: 7 Years
£12.99 (inc. VAT) £10.83 (ex. VAT)
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  • SanDisk 128GB Gaming microSDXC Memory Card
  • Capacity: 128GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Up To 90MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 4K Video
  • SD Adapter Included? No
  • Warranty: Lifetime
£48.99 (inc. VAT) £40.83 (ex. VAT)
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Awaiting Stock - Contact Us For Availability
  • SanDisk 64GB Gaming microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Up To 60MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 4K Video
  • SD Adapter Included? No
  • Warranty: Lifetime
£28.99 (inc. VAT) £24.16 (ex. VAT)
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Read Reviews (76)
  • SanDisk 64GB Ultra microSDXC Memory Card
  • Capacity: 64GB
  • Format: microSDXC
  • Read Speed: Up To 80MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: 7 Years
£12.99 (inc. VAT) £10.83 (ex. VAT)
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Read Reviews (3)
  • SanDisk 256GB Ultra microSDXC Memory Card
  • Capacity: 256GB
  • Format: microSDXC
  • Read Speed: Up To 100MB/s
  • Write Speed: Minimum 10MB/s
  • Class: Class 10 (10MB/s)
  • Video Support: For 1080P Full HD Video
  • SD Adapter Included? Yes
  • Warranty: 7 Years
£62.99 (inc. VAT) £52.49 (ex. VAT)
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Fast, free, secure delivery on microSDXC Memory Cards.
MemoryCow offers a range of secure delivery options meaning you will get your item quickly. We offer same day despatch where possible on microSDXC Memory Cards and despatch all orders from our UK distribution centre. We hold stock on all the memory we offer which enables quick despatch of your order. Click Here to see our full range of delivery options.

Memory configurator.
Not sure what you need? Why not try our configurator. Click Here to find guaranteed compatible upgrades.

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Our Customer Reviews
Excellent service excellent product 
ekomi customer feedback
on 2019-02-15
Quick service, very decent prices. Just the version I wanted and couldn't find elsewhere What more could you want ? 
ekomi customer feedback
on 2019-02-14
Ordered on their website. very impressed with the information regarding memory card type, etc. Delivered as specified. No worries so far. 
ekomi customer feedback
on 2019-02-13