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    SD Cards

    SD cards, short for secure digital cards, are removable, compact memory cards used for data storage in portable devices such as digital cameras. Some PCs and laptops come with an SD card slot or you can purchase a card adapter separately. The most compact of the SD card family is the Micro SD card sometimes referred to as microSD which is used in small devices such as smartphones.

    What size are SD cards?

    SD cards come in three different physical sizes, standard, mini and micro. The size you choose depends on which device you plan to use it in. Each SD memory card will have a capacity size in GB or MB which refers to the amount of data that can be stored on the card. Larger capacities will be more expensive so it is best to choose an SD memory card that meets your storage needs.

    Why would you need an SD card?

    Most devices today come with built-in memory storage to a certain capacity. However, it is very easy to use their internal memory up, and that is where SD cards are useful. They add-on to your personal device that can greatly boost the amount of media you can store at one time. You will not have to worry about having to delete important photos from your camera, or music from your smartphone. With most SBCs, including Raspberry Pi, they run their OS from an SD Card. To shop Raspberry Pi micro SD cards preloaded with NOOBS, visit our sister site OKdo for all things Raspberry Pi and SBC.

    What is SDUC/SDXC/SDHC?

    • SDUC/ microSDUC stands for Secure Digital Ultra Capacity. This supports memory cards up to 128TB.
    • SDXC/ microSDXC stands for Secure Digital eXtended Capacity. SDXC cards support up to 2TB.
    • SDHC/ microSDHC stands for Secure Digital High Capacity. SDHC card refers to SD cards which have a higher storage capacity, usually over 4GB.

    What is Speed Class?

    Speed class is a standard developed by the SD association. Speed Class, UH Speed Class and Video Speed Class are given to indicate the minimum writing speed of a memory card. They include:

    • Speed Class - 2, 4, 6, 10
    • UH Speed Class - UHS-I, UHS-3
    • Video Speed Class - V6, V10, V30, V60, V90

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    470 產品顯示為 SD Cards

    • RS庫存編號 203-5401
    • 製造零件編號 SDCG3/512GBSP
    HK$714.30
    Kingston
    -
    Micro SD Card
    MicroSDXC
    Canvas Go! Plus
    512 GB
    Class 10
    -
    -
    -
    3D TLC
    • RS庫存編號 203-5410
    • 製造零件編號 FCR-ML3C
    HK$175.70
    Kingston
    -
    Micro SD Card
    MicroSD
    MobileLite Duo 3C
    -
    -
    -
    -
    0 → +50°C
    -
    • RS庫存編號 245-0043
    • 製造零件編號 TS2GUSD220I
    HK$179.56
    Transcend
    Industrial
    Micro SD Card
    MicroSD
    USD220I
    2 GB
    -
    -
    -
    -40 → +85°C
    SuperMLC
    • RS庫存編號 124-9624
    • 製造零件編號 TS8GSDHC10U1
    HK$159.70
    Transcend
    -
    SD Card
    SDHC
    Ultimate
    8 GB
    Class 10, UHS-1 U1
    -
    600x
    -25 → +85°C
    MLC
    • RS庫存編號 180-5891
    • 製造零件編號 INSDX64G-100V10
    HK$140.00
    Integral Memory
    -
    SD Card
    SDXC
    -
    64 GB
    Class 10, UHS-1 U1
    -
    -
    -25 → +70°C
    XC
    • RS庫存編號 250-2727
    • 製造零件編號 FAC90601_0100
    HK$1,133.75
    Ewon
    Industrial
    SD Card
    SD
    -
    1 GB
    Class 6
    -
    -
    -
    -
    • RS庫存編號 123-9680
    • 製造零件編號 44026
    HK$496.70
    Verbatim
    -
    SD Card
    SDXC
    Premium
    256 GB
    Class 10, UHS-1 U1
    -
    300x
    -
    -
    • RS庫存編號 240-5530
    • 製造零件編號 TS32GUSD230I
    HK$351.70
    Transcend
    -
    -
    MicroSDHC
    -
    32 GB
    A1, U3, V30
    -
    -
    -
    3D TLC (SLC mode)
    • RS庫存編號 124-9634
    • 製造零件編號 TS8GUSDU1
    HK$125.10
    Transcend
    -
    Micro SD Card
    MicroSDHC
    Premium
    8 GB
    Class 10, UHS-1 U1
    -
    400x
    -25 → +85°C
    -
    • RS庫存編號 758-2571
    • 製造零件編號 TS4GSDHC10
    HK$132.90
    Transcend
    -
    SD Card
    SDHC
    -
    4 GB
    Class 10
    -
    200x
    -25 → +85°C
    MLC
    • RS庫存編號 187-1626
    • 製造零件編號 TS4GSDC300S
    HK$109.40
    Transcend
    -
    SD Card
    SD
    300S
    4 GB
    Class 10
    -
    -
    -25 → +85°C
    TLC
    • RS庫存編號 271-1632
    • 製造零件編號 SDIT/8GB
    HK$156.00
    Kingston
    Industrial
    SD Card
    SD
    -
    8 GB
    UHS-I Speed Class U3
    -
    -
    -
    -
    • RS庫存編號 276-6708
    • 製造零件編號 47045
    HK$267.70
    Verbatim
    -
    Micro SD Card
    MicroSDHC, MicroSDXC
    Pro U3 256GB
    256 GB
    UHS Speed Class 3
    -
    -
    -
    -
    • RS庫存編號 276-6709
    • 製造零件編號 47046
    HK$551.50
    Verbatim
    -
    Micro SD Card
    MicroSDHC, MicroSDXC
    Pro U3 512GB
    512 GB
    UHS Speed Class 3
    -
    -
    -
    -
    • RS庫存編號 563-601
    • 製造零件編號 SDCG4/128GBSP
    HK$158.98
    Kingston
    -
    Micro SD Card
    MicroSDXC
    Canvas
    128 GB
    A2, Class 10, U3, UHS-I, V30
    -
    -
    -
    -
    • RS庫存編號 254-2662
    • 製造零件編號 LMSPLAY001T-BNNNG
    HK$2,403.40
    Lexar
    -
    Micro SD Card
    MicroSDXC
    -
    1.024 TB
    A2 V30 U3, Class10, UHS-I
    -
    -
    -
    -
    • RS庫存編號 563-587
    • 製造零件編號 SDG4/128GB
    HK$160.58
    Kingston
    -
    SD Card
    SDXC
    Canvas
    128 GB
    Class 10, U3, UHS-I, V30
    -
    -
    -
    -
    • RS庫存編號 230-4406
    • 製造零件編號 LMS1066128G-BNANG
    HK$325.50
    Lexar
    -
    -
    MicroSDXC
    -
    128 GB
    Class 10
    -
    -
    -
    TLC
    • RS庫存編號 563-591
    • 製造零件編號 SDG4/1TB
    HK$1,230.04
    Kingston
    -
    SD Card
    SDXC
    Canvas
    1 TB
    Class 10, U3, UHS-I, V30
    -
    -
    -
    -
    • RS庫存編號 563-606
    • 製造零件編號 SDCG4/1TBSP
    HK$1,227.73
    Kingston
    -
    Micro SD Card
    MicroSDXC
    Canvas
    1 TB
    A2, Class 10, U3, UHS-I, V30
    -
    -
    -
    -
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