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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 203-4766
    • 製造零件編號 LMEX1L064GG2
    HK$143.00
    KIOXIA
    -
    Micro SD Card
    MicroSD
    Exceria
    64 GB
    Class 10
    -
    -
    -
    -
    • RS庫存編號 195-8351
    • 製造零件編號 SDCS2/512GBSP
    HK$1,147.40
    Kingston
    -
    Micro SD Card
    MicroSD
    Canvas Select Plus
    512 GB
    Class 10, UHS-I
    -
    -
    -25 → +85°C
    -
    • RS庫存編號 283-1048
    • 製造零件編號 IS-MSD-1-1000
    HK$4,804.60
    iStorage
    -
    SD Card
    MicroSD
    IS-MSD
    1 TB
    UHS-3
    -
    -
    -
    -
    • RS庫存編號 187-1716
    • 製造零件編號 TS128GUSD350V
    HK$472.78
    Transcend
    -
    Micro SD Card
    MicroSDXC
    High Endurance
    128 GB
    Class 10
    -
    -
    -25 → +85°C
    MLC
    • RS庫存編號 195-8342
    • 製造零件編號 SDCS2/64GB
    HK$139.30
    Kingston
    -
    Micro SD Card
    MicroSD
    Canvas Select Plus
    64 GB
    Class 10, UHS-I
    -
    -
    -25 → +85°C
    -
    • RS庫存編號 180-5898
    • 製造零件編號 INMSDX128G-100/90V30
    HK$236.90
    Integral Memory
    -
    Micro SD Card
    MicroSDXC
    ultimaPRO
    128 GB
    Class 10, UHS-1 U3
    -
    -
    -25 → +70°C
    -
    • RS庫存編號 187-3617
    • 製造零件編號 SDCE/32GB
    HK$201.50
    Kingston
    -
    Micro SD Card
    MicroSD
    Endurance
    32 GB
    Class 10, UHS-1 U1
    -
    -
    -25 → +85°C
    TLC
    • RS庫存編號 124-9649
    • 製造零件編號 TS4GUSD220I
    HK$175.20
    Transcend
    Industrial
    Micro SD Card
    MicroSD
    USD220I
    4 GB
    Class 10, UHS-1 U1
    -
    -
    -40 → +85°C
    SuperMLC
    • RS庫存編號 173-9503
    • 製造零件編號 TS8GUSDC10M
    HK$144.73
    Transcend
    Industrial
    Micro SD Card
    MicroSDHC
    USDC10M
    8 GB
    Class 10
    -
    -
    -25 → +85°C
    MLC
    • RS庫存編號 271-1630
    • 製造零件編號 SDIT/32GB
    HK$416.60
    Kingston
    Industrial
    SD Card
    SD
    -
    32 GB
    UHS-I Speed Class U3
    -
    -
    -
    -
    • RS庫存編號 243-6494
    • 製造零件編號 SDCIT2/8GBSP
    HK$152.90
    Kingston
    Industrial
    Micro SD Card
    MicroSDHC
    SDCIT2
    8 GB
    Class 10, UHS-I, U3, V30, A1
    -
    -
    -40 → +85°C
    TLC
    • RS庫存編號 203-3155
    • 製造零件編號 6SL3054-4AG00-2AA0
    HK$1,105.60
    Siemens
    Industrial
    SD Card
    SD
    Sinamics
    512 MB
    -
    SD Card Adapter Included
    -
    -
    -
    • RS庫存編號 195-8338
    • 製造零件編號 SDS2/256GB
    HK$574.60
    Kingston
    -
    SD Card
    SDXC
    Canvas Select Plus
    256 GB
    Class 10, UHS-I
    -
    -
    -25 → +85°C
    -
    • RS庫存編號 262-9707
    • 製造零件編號 TS1TSDC460T
    HK$1,350.90
    Transcend
    Industrial
    SD Card
    SDXC
    SDXC 460T
    1 TB
    -
    -
    -
    -25 → +85°C
    3D
    • RS庫存編號 262-9691
    • 製造零件編號 TS128MSDC220I
    HK$219.60
    Transcend
    Industrial
    SD Card
    SD Flash Card
    SDC
    128 MB
    -
    -
    -
    -40 → +85°C
    SuperMLC
    • RS庫存編號 262-9727
    • 製造零件編號 TS256GUSD460I
    HK$493.00
    Transcend
    Industrial
    Micro SD Card
    MicroSDXC
    USD460I
    256 GB
    -
    -
    -
    -25 → +85 °C, -40 → +85 °C
    3D
    • RS庫存編號 566-931
    • 製造零件編號 MB-MC512SA/EU
    HK$506.66
    Samsung
    -
    Micro SD Card
    MicroSDXC
    EVO Plus
    512GB
    Class 10
    -
    -
    -
    -
    • RS庫存編號 124-9645
    • 製造零件編號 TS8GUSDC10I
    HK$195.10
    Transcend
    Industrial
    Micro SD Card
    MicroSDHC
    USDC10I
    8 GB
    Class 10
    -
    -
    -40 → +85°C
    MLC
    • RS庫存編號 146-5571
    • 製造零件編號 AF8GSDI-WADXM
    HK$1,121.60
    ATP
    Industrial
    SD Card
    SDHC
    Industrial Grade
    8 GB
    Class 10, UHS-1 U1
    -
    -
    -40 → +85°C
    SLC
    • RS庫存編號 206-9206
    • 製造零件編號 AF64GUD4-BBBXM
    HK$209.80
    ATP
    Industrial
    Micro SD Card
    MicroSDXC
    -
    64 GB
    Class 10, U3, UHS-I
    -
    -
    -
    3D TLC
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