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An XQD card reader from Sony. The XQD card is a memory card format primarily developed for flash memory cards. It uses PCI Express as a data transfer interface. The format is targeted at high-definition camcorders and high-resolution digital cameras.
XQD card: Sony & Nikon Standard 2011–2012 >2 TB High-capacity, high-speed standard using PCIe as interface Universal Flash Storage Card Extensions Samsung: UFS Card: 2016 >256 GB Packages the flash memory, currently soldered in shipping smartphones, into a removable card form factor. Uses the SCSI command set including queuing.
Sony 8GB SxS memory card SBP-8, for use with XDCAM EX. SxS (S-by-S) is a flash memory standard compliant to the Sony and SanDisk-created ExpressCard standard. According to Sandisk and Sony, the cards have transfer rates of 800 Mbit/s and burst transfer rate of up to 2.5 Gbit/s [1] [2] over the ExpressCard's PCI Express interface.
Previously, xD competed primarily with Secure Digital (SD) cards, CompactFlash (CF), and Sony's Memory Stick. Because of its higher cost and limited usage in products other than digital cameras, xD lost ground to SD, which is broadly used by cellular phones, personal computers, digital audio players and many other digital cameras.
CompactFlash IDE (ATA) emulation speed is usually specified in "x" ratings, e.g. 8x, 20x, 133x. This is the same system used for CD-ROMs and indicates the maximum transfer rate in the form of a multiplier based on the original audio CD data transfer rate, which is 150 kB/s.
In 2008, Sony introduced a new recording medium to their XDCAM range – SxS Pro (pronounced "S-by-S"). It is a solid-state memory card implemented as an ExpressCard module. The first camera to use this media was the Sony PMW-EX1 professional video camera. In December 2009, Sony introduced the more affordable SxS-1.
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 ...
The XQD card is a memory card format utilizing PCI Express, developed by the CompactFlash Association, with transfer rates of up to 1 GB/s. [149] Many high-performance, enterprise-class SSDs are designed as PCI Express RAID controller cards.