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SxS (S-by-S) is a
flash memory Flash memory is an Integrated circuit, electronic Non-volatile memory, non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for t ...
standard compliant to the
Sony is a Japanese multinational conglomerate (company), conglomerate headquartered at Sony City in Minato, Tokyo, Japan. The Sony Group encompasses various businesses, including Sony Corporation (electronics), Sony Semiconductor Solutions (i ...
and SanDisk-created
ExpressCard ExpressCard, initially called NEWCARD, is an interface to connect peripheral, peripheral devices to a computer, usually a laptop, laptop computer. The ExpressCard technical standard specifies the design of slots built into the computer and of expa ...
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 over the ExpressCard's
PCI Express PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe, is a high-speed standard used to connect hardware components inside computers. It is designed to replace older expansion bus standards such as Peripher ...
interface. Sony uses these cards as the storage medium for their XDCAM EX line of
professional video camera A professional video camera (often called a television camera even though its use has spread beyond television) is a high-end device for creating electronic moving images (as opposed to a movie camera, that earlier recorded the images on film). O ...
s.


Compatibility

The card can be inserted directly into an
ExpressCard ExpressCard, initially called NEWCARD, is an interface to connect peripheral, peripheral devices to a computer, usually a laptop, laptop computer. The ExpressCard technical standard specifies the design of slots built into the computer and of expa ...
slot, available on many notebooks. However, it will only work in Windows and Mac OS X, and only with a Sony device driver installed on the machine. Experimental
Linux Linux ( ) is a family of open source Unix-like operating systems based on the Linux kernel, an kernel (operating system), operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically package manager, pac ...
drivers are also available. The only universal connectivity for these cards is the Sony SBAC-US10 and Sony SBAC-US20. These external USB adapters will make the cards visible to any system as an external USB hard drive. The Sony SBAC-US20 uses the
USB 3.0 Universal Serial Bus 3.0 (USB 3.0), marketed as SuperSpeed USB, is the third major version of the Universal Serial Bus (USB) standard for interfacing computers and electronic devices. It was released in November 2008. The USB 3.0 specification ...
interface and has a suggested retail price of US$350.


SxS PRO+

SxS PRO+ is a faster version of SxS designed for the recording of
4K resolution 4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 38402160 (4K UHD) with a 16:9 asp ...
video. SxS Pro+ has a guaranteed minimum recording speed of 1.3
Gbit/s In telecommunications, data transfer rate is the average number of bits ( bitrate), characters or symbols ( baudrate), or data blocks per unit time passing through a communication link in a data-transmission system. Common data rate units are mu ...
and an interface with a theoretical maximum speed of 8 Gbit/s. SxS PRO+ media cards are used on three
CineAlta CineAlta cameras are a series of professional digital movie cameras produced by Sony that replicate many of the same features of 35 mm movie film, 35mm film Movie camera, motion picture cameras. Concept CineAlta is a brand name used by Sony ...
cameras which are the Sony PMW-F55 Sony PMW-F5, and the Sony Venice. The XAVC recording format can record 4K resolution at 60 fps with 4:2:2 chroma subsampling at 600 Mbit/s. A 128
Gigabyte The gigabyte () is a multiple of the unit byte for digital information. The SI prefix, prefix ''giga-, giga'' means 109 in the International System of Units (SI). Therefore, one gigabyte is one billion bytes. The unit symbol for the gigabyte i ...
SxS PRO+ media card can record up to 20 minutes of 4K resolution XAVC video at 60 fps, up to 40 minutes of 4K resolution XAVC video at 30 fps, and up to 120 minutes of 2K resolution XAVC video at 30 fps.


See also

*
P2 (storage media) P2 (P2 is a short form for "Professional Plug-In") is a professional digital recording solid-state memory storage media format introduced by Panasonic in 2004. The P2 card is essentially a RAID of Secure Digital (SD) memory cards with an LSI ...
* XAVC - A recording format that can be used with SxS PRO+ media cards


References

{{compsci-stub Computer memory Solid-state computer storage media