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8 GB
1,000 GB
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80 MB/s
880 MB/s
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10 MB/s
700 MB/s
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Memory Cards for Phones

Memory cards for phones can expand the storage space of your mobile phone many times over. So you can fit a lot more music, pictures, videos and apps on your mobile phone. Currently, only microSD cards are used. The class, speed and capacity of the phone memory card should be taken into account when choosing your phone memory card.

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Type and Capacity of Memory Cards for Phones

MicroSD memory card for a phone is a reduced format derived from SD cards for phones. Due to the need for more capacity, newer generations of microSDHC (Secure Digital High Capacity) and microSDXC (Secure Digital eXtended Capacity) were created. The physical dimensions of these versions are the same as microSD.

  • MicroSD cards - capacity of 8MB to 2GB. People shun them these days because of insufficient capacity.
  • MicroSDHC cards - capacity of 4 to 32GB. This is a commonly used standard.
  • MicroSDXC cards - capacity of 64GB to 2TB (potential maximum. So far, we have 512GB at most).

Beware of Backward Compatibility Between Generations of Memory Cards for Phones

Not all memory cards for phones are interchangeable. Devices that are made with only microSDHC card support will not "see" (read) a microSDXC card. So, before buying a memory card for a phone, whether it is a micro SDXC card or another version, make sure you know what type of card your device supports and what maximum capacity it can handle. Of course, devices that support microSDXC cards also support the older microSDHC and microSD cards.

Read and Write Speeds of Memory Cards for Phones

Memory cards for phones are divided according to speed class (referred to as "class"). The class number indicates the minimum guaranteed write speed of the phone memory card. In practice, the read speed is always equal to or faster than the write speed.

Class Logo Min write speed Suitable for
Class 4 4MB/s HD video recording
Class 6 6MB/s HD video recording
Class 10 10MB/s Full HD video recording
UHS-1 10MB/s Real-time video streaming. 
Recording of long HD videos
UHS-3 30MB/s 4K video recording

The speed of the SD card affects not only how well it can record video, but also how quickly you can save photos and open apps. We recommend using at least a Class 10 memory phone card that can record Full HD video and whose effect on the phone's response will be almost imperceptible.

Memory 

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99 Results
5.0
Silicon Power Hypera microSDXC Express 256GB (NVMe)
Memory Card micro SDXC, micro SD and MicroSD Express, 256GB, read speed up to 880MB/s, write speed up to 700MB/s, Class 10, UHS-I, U3, V30, A1
54.09 €
Buy
In stock > 5 pcs
Order Code: JU254a1
4.3
ADATA MicroSDXC 512GB Premier Pro + SD adapter
Memory Card micro SDXC, 512GB, read speed up to 100MB/s, write speed up to 85MB/s, Class 10, U3, V30, A2
Buy with code ALZADAYS15DE The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 15 % Rabatt mit dem Code ALZADAYS15DE. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 74.03 €
Great price 87.09 €
Buy
In stock > 5 pcs
Order Code: DU019w2n8h4
4.3
ADATA MicroSDXC 64GB Premier Pro + SD adapter
Memory Card micro SDXC and micro SD, 64GB, read speed up to 100MB/s, write speed up to 80MB/s, Class 10, U3, V30, A2
Amazing Deal 20.09 €
Buy
In stock 1 pcs
Order Code: DU019w2n8h1
4.8 56×
Kingston MicroSDXC 512GB Canvas Select Plus Gen 3 + SD Adapter
Memory Card micro SDXC and micro SD, 512GB, read speed up to 150MB/s, write speed up to 90MB/s, Class 10, UHS-I, U1, U3, V10Video Class 10, A1
76.59 €
Buy
In stock > 5 pcs
Order Code: DU007s8j94c4
4.7 77×
ADATA MicroSDXC 64GB High Endurance + SD adapter
Memory Card micro SDXC and micro SD, 64GB, read speed up to 100MB/s, write speed up to 80MB/s, Class 10, U3, V30, A2
Amazing Deal 24.19 €
Buy
In stock > 5 pcs
Order Code: DU019w2n8f1
4.6 59×
ADATA MicroSDXC 64GB Speed Plus + SD adapter
Memory Card micro SDXC and micro SD, 64GB, read speed up to 160MB/s, write speed up to 140MB/s, Class 10, U3, V30, A2
20.19 €
Buy
In stock > 5 pcs
Order Code: DU019w2n8g1
4.9 12×
SANDISK microSDXC 128GB Max Endurance + SD Adapter
Memory Card micro SDXC and micro SD, 128GB, read speed up to 100MB/s, write speed up to 40MB/s, Class 10, UHS-I
56.09 €
Buy
On the way 3 pcs
Expected 16/04/2026
Order Code: DT810b3
4.8 215×
VERBATIM Pro microSDHC 32GB UHS-I V30 U3 + SD Adapter
Memory Card micro SDHC and micro SD, 32GB, read speed up to 90MB/s, write speed up to 45MB/s, Class 10, UHS-I, U3, V30
11.99 €
Buy
On the way > 5 pcs
Expected 27/04/2026
Order Code: DY181l1
4.8 215×
Verbatim MicroSDXC 64GB Pro + SD Adapter
Memory Card micro SDXC and micro SD, 64GB, read speed up to 90MB/s, write speed up to 45MB/s, Class 10, UHS-I, U3, V30
15.99 €
Buy
On the way 1 pcs
Expected 16/04/2026
Order Code: DY181l2
4.9 108×
ADATA Premier micro SDXC 64GB UHS-I A1 Class 10 + SD adapter
Memory Card micro SDXC and micro SD, 64GB, read speed up to 85MB/s, write speed up to 25MB/s, Class 10, U1, V10Video Class 10, A1
14.09 €
Buy
On the way > 5 pcs
Expected 27/04/2026
Order Code: DU019w2l76
4.6 59×
ADATA MicroSDXC 256GB Speed Plus + SD adapter
Memory Card micro SDXC and micro SD, 256GB, read speed up to 180MB/s, write speed up to 160MB/s, Class 10, U3, V30, A2
44.29 €
Buy
On the way 3 pcs
Expected 15/04/2026
Order Code: DU019w2n8g3
Mio 64 GB microSDXC, V30, U3, A2
Memory Card micro SDXC, 64GB, read speed up to 100MB/s, write speed up to 80MB/s, Class 10, U3, V30, A2
New arrival 26.90 €
Buy
On the way > 5 pcs
Expected 17/04/2026
Order Code: PP399a3
4.8
SANDISK microSDXC 256GB Max Endurance + SD Adapter
Memory Card micro SDXC and micro SD, 256GB, read speed up to 100MB/s, write speed up to 40MB/s, Class 10, UHS-I
108.19 €
Buy
Ordered on request
Order Code: DT810b4
4.9 231×
SANDISK microSDXC 512GB Nintendo Switch
Memory Card micro SDXC and micro SD, 512GB, read speed up to 100MB/s, write speed up to 90MB/s, UHS-I, U3, V30, A1
141.19 €
Buy
Ordered on request
Order Code: DT809n4
4.8 86×
Kingston MicroSDHC 32GB Industrial + SD Adapter
Memory Card micro SDHC and micro SD, 32GB, read speed up to 100MB/s, Class 10, UHS-I, U3, V30, A1
74.59 €
Buy
Ordered on request
Order Code: DU007s8f3
4.8 86×
Kingston MicroSDXC 64GB Industrial + SD Adapter
Memory Card micro SDXC and micro SD, 64GB, read speed up to 100MB/s, Class 10, UHS-I, U3, V30, A1
157.29 €
Buy
Ordered on request
Order Code: DU007s8f4
ADATA MicroSDXC 512GB Premier Extreme
Memory Card micro SD and MicroSD Express, 512GB, read speed up to 800MB/s, write speed up to 700MB/s, V30
165.39 €
Buy
Ordered on request
Order Code: DU019w2n8c2
ADATA MicroSDXC 1TB Premier Extreme (NVMe)
Memory Card micro SD and MicroSD Express, 1000GB, read speed up to 800MB/s, write speed up to 700MB/s, V30
379.19 €
Buy
Ordered on request
Order Code: DU019w2n8c3
ADATA MicroSDXC 256GB Premier Extreme
Memory Card micro SD and MicroSD Express, 256GB, read speed up to 800MB/s, write speed up to 700MB/s, V30
96.79 €
Buy
Ordered on request
Order Code: DU019w2n8c1
4.8 86×
Kingston MicroSDXC 128GB Industrial + SD adapter
Memory Card micro SDXC and micro SD, 128GB, read speed up to 100MB/s, Class 10, UHS-I, U3, V30, A1
229.59 €
Buy
We accept pre-orders
Order Code: DU007s8f5
4.9 394×
Samsung MicroSDXC 64GB PRO Endurance + SD adapter
Memory Card micro SDXC and micro SD, 64GB, read speed up to 100MB/s, write speed up to 30MB/s, Class 10, UHS-I, U1, V10Video Class 10
12.09 €
Currently Unavailable
Order Code: SASD019b34b
4.9 673×
Samsung MicroSDXC 1TB PRO Plus + SD Adapter (2023)
Memory Card micro SDXC and micro SD, 1000GB, read speed up to 180MB/s, write speed up to 130MB/s, Class 10, UHS-I, U3, V30, A2
139.90 €
Currently Unavailable
Order Code: SASD016k5
5.0 159×
Samsung MicroSDXC 512GB PRO Ultimate + SD adapter
Memory Card micro SDXC and micro SD, 512GB, read speed up to 200MB/s, write speed up to 130MB/s, Class 10, U3, V30, A2
Great price 79.90 €
Currently Unavailable
Order Code: SASD016l4
4.9 673×
Samsung MicroSDXC 128GB PRO Plus + SD Adapter (2023)
Memory Card micro SDXC and micro SD, 128GB, read speed up to 180MB/s, write speed up to 130MB/s, Class 10, UHS-I, U3, V30, A2
24.90 €
Currently Unavailable
Order Code: SASD016k2

Memory Cards for Phones

Memory Cards for Phones

In the category Memory Cards for Phones on Alza.de, we currently have a total of 99 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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