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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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    524 產品顯示為 SD Cards

    • RS庫存編號 183-9365
    • 製造零件編號 DS2A-01GI81C1B
    HK$369.75
    InnoDisk
    Industrial
    SD
    Industrial
    1 GB
    Class 10
    -
    -
    0 → +70°C
    SLC
    • RS庫存編號 206-9182
    • 製造零件編號 AF16GUD4A-BBBXM
    HK$209.80
    ATP
    Industrial
    MicroSDHC
    -
    16 GB
    Class 10, U3, UHS-I
    -
    -
    -
    -
    • RS庫存編號 186-4644
    • 製造零件編號 TS64GSDC300S
    HK$244.99
    Transcend
    -
    SDXC
    300S
    64 GB
    Class 10, UHS-I U1, UHS-I U3, V30
    -
    -
    -25 → +85°C
    TLC
    • RS庫存編號 183-9363
    • 製造零件編號 DS2A-256I81C1B
    HK$217.30
    InnoDisk
    Industrial
    SD
    Industrial
    256 MB
    Class 6
    -
    -
    0 → +70°C
    SLC
    • RS庫存編號 252-3083
    • 製造零件編號 DESDC-64GS06GW1SL
    HK$385.10
    InnoDisk
    Industrial
    SD
    -
    64 GB
    Class10, UHS-3
    -
    -
    -
    -
    • RS庫存編號 186-4646
    • 製造零件編號 TS64GUSD500S
    HK$958.76
    Transcend
    -
    MicroSDXC
    -
    64 GB
    Class 10, UHS-I U1, UHS-I U3, V30
    -
    -
    -25 → +85°C
    MLC
    • RS庫存編號 186-4640
    • 製造零件編號 TS64GSDC700S
    HK$1,086.41
    Transcend
    -
    SDHC, SDXC
    700S
    64 GB
    Class 10, UHS-II U3, V90
    -
    -
    -25 → +85°C
    TLC
    • RS庫存編號 187-1622
    • 製造零件編號 TS32GSDC500S
    HK$287.30
    Transcend
    -
    SDHC
    500S
    32 GB
    Class 10
    -
    -
    -25 → +85°C
    MLC
    • RS庫存編號 206-9276
    • 製造零件編號 DESDM-04GS02AW1ST
    HK$871.90
    InnoDisk
    Industrial
    MicroSDHC
    -
    4 GB
    Class 10, U1, UHS-I
    -
    -
    -
    SLC
    • RS庫存編號 206-9181
    • 製造零件編號 AF16GUD4A-BBBIM
    HK$241.40
    ATP
    Industrial
    MicroSDHC
    -
    16 GB
    Class 10, U3, UHS-I
    -
    -
    -
    -
    • RS庫存編號 194-7440
    • 製造零件編號 AF64GUD4-BBBIM
    HK$235.70
    ATP
    Industrial
    MicroSD
    -
    64 GB
    Class 10
    -
    -
    -
    -
    • RS庫存編號 230-4415
    • 製造零件編號 LSD2000064G-BNNNG
    HK$1,079.20
    Lexar
    -
    SDHC
    Gold
    64 GB
    Class 10
    -
    2000x
    0 → 70°C
    TLC
    • RS庫存編號 186-4668
    • 製造零件編號 TS8GSDU1
    HK$157.20
    Transcend
    -
    SDHC
    Premium
    8 GB
    Class 10, UHS-I
    -
    -
    -25 → +85°C
    -
    • RS庫存編號 203-4767
    • 製造零件編號 LMEX1L128GG2
    HK$266.80
    KIOXIA
    -
    MicroSD
    Exceria
    128 GB
    Class 10
    -
    -
    -
    -
    • RS庫存編號 187-1712
    • 製造零件編號 TS32GSDU1
    HK$151.70
    Transcend
    -
    SDHC
    Premium
    32 GB
    Class 10
    -
    -
    -25 → +85°C
    HC
    • RS庫存編號 267-6426
    • 製造零件編號 LSD0800128G-BNNNG
    HK$299.40
    Lexar
    Industrial
    SDHC
    -
    128 GB
    UHS-I
    -
    -
    -
    -
    • RS庫存編號 206-9207
    • 製造零件編號 AF8GSD3-WABIM
    HK$147.80
    ATP
    -
    SDHC
    S700Pi
    8 GB
    UHS-1
    -
    -
    -40 → +85°C
    MLC
    • RS庫存編號 188-4765
    • 製造零件編號 47022
    HK$158.90
    Verbatim
    -
    SDXC
    PRO
    64 GB
    Class 3
    -
    600x
    -25 → +50°C
    XC
    • RS庫存編號 243-6492
    • 製造零件編號 SDCIT2/64GBSP
    HK$1,145.50
    Kingston
    Industrial
    MicroSDXC
    SDCIT2
    64 GB
    Class 10, UHS-I, U3, V30, A1
    -
    -
    -40 → +85°C
    TLC
    • RS庫存編號 245-0089
    • 製造零件編號 TS512GSDC460T
    HK$850.10
    Transcend
    Industrial
    SDXC
    SDC460T
    512 GB
    V30
    -
    -
    -25 → +85°C
    3D
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