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CompactFlash CFast 2.0 specification to offer up to 600MB/s

Posted on Wednesday, September 19 2012 @ 22:00:53 CEST by


The CompactFlash Association (CFA) announced the CFast2.0 draft specification. This new standard promises a theoretical maximum performance of 600MB/s, four times as much as current CF memory cards. On top of that, the new specification also introduces a new sleep mode that should save battery power. SanDisk announced it is currently sampling CFast2.0 memory cards to camera manufacurers.
The CompactFlash Association (CFA) announces the CFast2.0 draft specification and celebrates seventeen years of performance leadership in flash memory card markets. The CFast2.0 draft specification was approved by the CFA Board of Directors for a 90 day final approval vote by all voting members. General availability of the CFast2.0 specification for non-members is expected in Q4 of 2012. The CompactFlash Association was formed in 1995 as the initial digital film format and continues to serve professional imaging markets where high performance and high quality recording media are important. CFA has consistently created specifications to meet the current and future requirements for professional imaging and video markets. CFast2.0's performance capability of up to 600MB/sec enable CFA to serve new professional video markets such as high definition TV production and cinema video production environments.

CFast2.0 leverages the SATA-3 interface for higher performance based on a computing industry storage interface and protocol. Host manufacturers will be able to leverage their experience and investment in the ATA storage protocol and media manufacturers will be able to leverage high volume solid state disk (SSD) controller technology to serve the high performance requirements of this market. The new format will have VPG (Video Performance Guarantee) capability with profiles capable of supporting compressed digital intermediate video formats.

Professional video features are growing more powerful, with 2K video enjoying widespread use and 4K video already gaining adoption in high-end production environments. High Definition TV production environments require digital intermediate compression formats where 2K @ 120 frames per second requires reliable performance of 200MB/sec to 250MB/sec. 4K production environments require 4X the data rates of 2K. For example, 4K at 30 frames per second also requires 200MB/sec to 250MB/sec. These next-generation video applications produce videos with incredibly high resolution that exceed CompactFlash cards' data recording maximum capability of 167MB/sec for CF6.0.

The new CFast2.0 specification is available to members and will be available for purchase by non-members after the IP review period closes in the fourth quarter of 2012. Key features of CFast2.0 include:

SATA-3 Interface: Provides an interface speed of 600MB/s. This speed enhancement enables a new generation of higher performance cards to meet requirements for professional video recording requirements.

DEVSLP: Provides a low power sleep mode that helps preserve battery life when the card is not in use.

Professional Form Factor: 42.8mm x 36.4mm x 3.6mm
Provides a small enough package to fit into maintain/reduce camera size while providing room for memory to support large capacity cards required for professional video recording formats.




 



 

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