SxS (S-by-S) is a
flash memory
Flash memory is an electronic 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 the NOR and NAND logic gates. Both us ...
standard compliant to the
Sony
, commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
and
SanDisk-created
ExpressCard standard. According to Sandisk and Sony, the cards have transfer rates of 800
Mbit
The megabit is a multiple of the unit bit for digital information. The prefix mega (symbol M) is defined in the International System of Units (SI) as a multiplier of 106 (1 million), and therefore
:1 megabit = = = 1000 kilobits.
The megabit h ...
/s and burst transfer rate of up to 2.5
Gbit
The bit is the most basic Units of information, unit of information in computing and digital communications. The name is a portmanteau of binary digit. The bit represents a truth value, logical state with one of two possible value (computer sc ...
/s over the ExpressCard's
PCI Express
PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards. It is the common ...
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 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 ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which ...
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 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 Ultra-high-definitio ...
video.
SxS Pro+ has a guaranteed minimum recording speed of 1.3
Gbit/s 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 35mm film motion picture cameras.
Concept
CineAlta is a brand name used by Sony to describe various products inv ...
cameras which are the Sony PMW-F55 Sony PMW-F5, and the Sony Venice.[ A 128 ]Gigabyte
The gigabyte () is a multiple of the unit byte for digital information. The prefix ''giga'' means 109 in the International System of Units (SI). Therefore, one gigabyte is one billion bytes. The unit symbol for the gigabyte is GB.
This defini ...
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
* XAVC - A recording format that can be used with SxS PRO+ media cards
References
{{compsci-stub
Computer memory
Solid-state computer storage media