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Memory Cards

0

card type

  • Secure Digital (SD): the most common memory card formats, the newest types of SD cards are SDHC and SDXC cards
  • Compact Flash (CF) for professional use, especially in digital SLR

Capacity

  • https://admin.alza.cz/v2/Category/EditText/18843569?lang=3#tab-upperDesc
  • choose with regard to the future use of the card
  • It ranges from 512 MB to 512 gigabytes

The read and write

  • Reading speed: the speed at which files are transferred from the card to another device
  • Write Speed: the speed at which files are stored on the card (eg. When taking pictures or shooting videos)
  • For SDHC and SDXC reader is miminální write speed, which is divided into different classes:
Class Logo Min. Write Speed Suitable for
class 2 2 Mb / s SD video recording
class 4 4 MB / s HD video recording
class 6 6 MB / s HD video recording
class 10 10 MB / s HD video recording
UHS-1 10 MB / s broadcast video in real-time and long recording HD videos
UHS-3 30MB / s 4K Video Record Setup

 

 

 

 

 

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Kingston Micro SDXC 256GB Class 10 UHS-I + SD Adapter
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Kingston Micro SDHC 32GB Class 10 UHS-I + SD Adapter
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ADATA Micro SDHC 32GB UHS-I Class 10 + OTG reader
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Kingston SDXC 256GB UHS-I Class 10
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Kingston Micro SDXC 64GB UHS-I U3 + SD Adapter
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Kingston Micro SDHC 32GB Class 10 + SD Adapter and USB Card Reader
Memory Card - čtení až 30 MB/s, zápis až 10 MB/s

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Memory Cards

Memory Cards

Memory cards are used to store data from digital cameras, camcorders, mobile phones, media players, etc. They usually contain flash memory, and EEPROM has been developed specifically for portable devices, where high demands are placed on the compact size and durability. Some memory cards are also resistant to magnetic and electric fields.

The history of memory cards dates back to the nineties, when a memory card slot was first developed for the PCMCIA notebook. Over time, producers tried to increase the capacity of memory cards while at the same time reducing their size. At that time, however, some uniform standards were established, and so we now have memory cards with very similar characteristics and capacities (from 1GB to 32GB) although using different formats.

Types of memory card include: SD, SDHC, SDXC, Micro SD, Micro SDHC, Compact Flash, Memory Stick, Memory Stick Micro.

 

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