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ADATA Launches Premier ONE UHS-II SD Cards: 3D MLC, Up to 290 MB/s, V90 Labels

Discussion in 'Tech News' started by Feeder, Apr 17, 2017.

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    After previously demonstrating them back at CES, ADATA has officially launched its SD cards based on 3D MLC NAND. The new Premier ONE UHS-II cards offer capacities up to 256 GB, sequential read speed of up to 290 MB/s and extended temperature ranges. The new cards are also the first products from ADATA that are compliant with the V90 requirements for SD devices aimed at UHD and 360° video capture. In addition, ADATA has added Premier UHS-I Class 10 series of microSD cards with up to 128 GB capacity and mainstream performance levels to its product line.

    The ADATA Premier ONE UHS-II cards will be available in 64 GB, 128 GB and 256 GB configurations in SDXC and microSDXC form-factors. The new memory cards are rated for up 275/290 MB/s sequential read speed as well as up to 155/260 MB/s sequential write speed, depending on the capacity and form-factor (the microSDXCs are a slower). The Premier ONE UHS-II cards are also compliant with Video Speed Class V90 specification, which mandates minimum write speed of 90 MB/s to smooth recording of UHD and 360° video. The enhanced performance of the new SD products by ADATA is enabled by 3D MLC NAND memory with large block and page sizes as well as a new controller (which I suspect uses some kind of pSLC technique to ensure fast writes, but that has not been confirmed by ADATA). In addition to performance-related improvements, the controller also supports write-in protection as well as ECC. To take full advantage of the new cards, one will need a device that fully supports the UHS-II interface and has the extra pins the wider bus requires. Still, the cards are compatible with all types of SD-supporting devices (cameras, card readers, etc.) albeit at lower speeds.

    Another important selling point of the ADATA Premier ONE UHS-II cards is their rugged design. The SDs are explicitly adverised as being both waterproof and dust-proof. Meanwhile, the cards are also rated to work at extended temperature range between -25°C to 85°C, which makes them suitable for industrial applications.

    ADATA Premier ONE UHS-II and Premier UHS-I Class 10 SD Cards​
    Premier ONE UHS-II​
    Premier UHS-I Class 10
    64 GB​
    128 GB​
    256 GB​
    64 GB​
    128 GB​
    256 GB​
    16/32/64/128 GB​
    Form-Factor
    SDXC​
    MicroSDXC​
    MicroSDHC/MicroSDXC​
    NAND Type
    3D MLC​
    unknown​
    Read Speed
    290 MB/s​
    275 MB/s​
    85 MB/s​
    Write Speed
    260 MB/s​
    155MB/s​
    25 MB/s​
    Minimum Sequential Write Speed
    90 MB/s​
    10 MB/s​
    Interface
    UHS-II​
    UHS-I​
    Availability
    Spring 2017​
    SDA Labels
    UHS-II, Class 10, U3, V90​
    UHS-I, U1, Class 10​

    As for the Premier UHS-I Class 10 series of microSD cards, ADATA will offer them in 16 GB, 32 GB, 64 GB and 128 GB configurations, with up to 85 MB/s and up to 25 MB/s sequential read/write speeds. The cards also feature built-in ECC and are also protected against water and dust, but do not support extended temperature ranges.

    ADATA has not announced recommended prices for its Premier ONE UHS-II SD and microSD cards. Since the devices offer a rather strong combination of features (high performance, V90-compliancy, extended temperature ranges, 3D MLC), they will naturally belong to the highest end of the SD spectrum. As for the Premier UHS-I Class 10 cards, expect them to be priced competitively against direct rivals.

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