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  2. SD card - Wikipedia

    en.wikipedia.org/wiki/SD_card

    In early 2011, Centon Electronics, Inc. (64 GB and 128 GB) and Lexar (128 GB) began shipping SDXC cards rated at Speed Class 10. [35] Pretec offered cards from 8 GB to 128 GB rated at Speed Class 16. [36] In September 2011, SanDisk released a 64 GB microSDXC card. [37] Kingmax released a comparable product in 2011. [38]

  3. Comparison of memory cards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_memory_cards

    PS Vita Memory Card 2012 64 GB Subcompact (15 mm × 12.5 mm × 1.6 mm [7]), compulsory DRM, up to 64 GB, proprietary (can be used on PS Vita only) P2 (storage media) Panasonic MicroP2: 2012 64 GB MicroP2 is a SDXC/SDHC card conforming to UHS-II (Ultra High Speed bus), and can be read by common SDHC/SDXC card readers. xD: Olympus, Fujifilm, Sony

  4. UltraRAM - Wikipedia

    en.wikipedia.org/wiki/UltraRAM

    Retention and endurance characteristics. a) Retention data for a 20 μm gate-length cell. b) S-D current difference (∆IS-D) for the >24 h retention plotted on a log scale. c) Endurance data for continuous program-read-erase-read cycling (5 ms pulses) on a second 20 μm gate-length cell. d) Extended endurance to >10 7 cycles. e) Oscilloscope ...

  5. Universal Flash Storage - Wikipedia

    en.wikipedia.org/wiki/Universal_Flash_Storage

    The cards were based on the UFS 1.0 Card Extension Standard. The 256 GB version was reported to offer sequential read performance up to 530 MB/s and sequential write performance up to 170 MB/s and random performance of 40,000 read IOPS and 35,000 write IOPS.

  6. CFexpress - Wikipedia

    en.wikipedia.org/wiki/CFexpress

    The cards have a XQD form factor and use two PCIe 3.0 lanes. They come in 32 GB, 64 GB, 128 GB and 256 GB capacities. More details on Delkin's CFexpress cards were revealed in February 2018. [9] [10] The cards should be able to be read from and written to with respectively up to 1.6 GB/s and up to 1.0 GB/s benchmarked with CrystalDiskMark 5.2.1 ...

  7. Memory card - Wikipedia

    en.wikipedia.org/wiki/Memory_card

    The basis for memory card technology is flash memory. [2] It was invented by Fujio Masuoka at Toshiba in 1980 [3] [4] and commercialized by Toshiba in 1987. [5] [6] The development of memory cards was driven in the 1980s by the need for an alternative to floppy disk drives that had lower power consumption, had less weight and occupied less ...